HHH-15626 Move old databases to nightly pipeline and add some SQL Server 2022 features

.github/workflows/contributor-build.yml

@@ -39,10 +39,8 @@ jobs:
           - rdbms: hsqldb
           - rdbms: derby
           - rdbms: mysql
-          - rdbms: mysql8
           - rdbms: mariadb
           - rdbms: postgresql
-          - rdbms: postgresql_14
           - rdbms: edb
           - rdbms: oracle
           - rdbms: db2

Jenkinsfile

@@ -26,14 +26,24 @@ this.helper = new JobHelper(this)
 helper.runWithNotification {
 stage('Configure') {
 	this.environments = [
+		// TODO: this block is just temporary for testing, but should ultimately be removed because this is tested nightly
+		new BuildEnvironment( dbName: 'h2_1_4' ),
+		new BuildEnvironment( dbName: 'hsqldb_2_6' ),
+		new BuildEnvironment( dbName: 'derby_10_14' ),
+		new BuildEnvironment( dbName: 'mysql_5_7' ),
+		new BuildEnvironment( dbName: 'mariadb_10_3' ),
+		new BuildEnvironment( dbName: 'postgresql_10' ),
+		new BuildEnvironment( dbName: 'edb_10' ),
+		new BuildEnvironment( dbName: 'oracle_11_2' ),
+		new BuildEnvironment( dbName: 'db2_10_5', longRunning: true ),
+		new BuildEnvironment( dbName: 'mssql_2017' ),
+
 //		new BuildEnvironment( dbName: 'h2' ),
 //		new BuildEnvironment( dbName: 'hsqldb' ),
 //		new BuildEnvironment( dbName: 'derby' ),
 //		new BuildEnvironment( dbName: 'mysql' ),
-//		new BuildEnvironment( dbName: 'mysql8' ),
 //		new BuildEnvironment( dbName: 'mariadb' ),
 //		new BuildEnvironment( dbName: 'postgresql' ),
-//		new BuildEnvironment( dbName: 'postgresql_14' ),
 //		new BuildEnvironment( dbName: 'edb' ),
 //		new BuildEnvironment( dbName: 'oracle' ),
 //		new BuildEnvironment( dbName: 'db2' ),
@@ -126,55 +136,84 @@ stage('Build') {
 					try {
 						stage('Start database') {
 							switch (buildEnv.dbName) {
-								case "cockroachdb":
+								case "h2_1_4":
-									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
-										docker.image('cockroachdb/cockroach:v21.1.21').pull()
+										" -Pgradle.libs.versions.h2=1.4.197 -Pgradle.libs.versions.h2gis=1.5.0"
-									}
+									break;
-									sh "./docker_db.sh cockroachdb"
+								case "hsqldb_2_6":
-									state[buildEnv.tag]['containerName'] = "cockroach"
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
+										" -Pgradle.libs.versions.hsqldb=2.6.1"
+									break;
+								case "derby_10_14":
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
+										" -Pgradle.libs.versions.derby=10.14.2.0"
 									break;
 								case "mysql":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mysql:5.7').pull()
+										docker.image('mysql:8.0.31').pull()
 									}
 									sh "./docker_db.sh mysql"
 									state[buildEnv.tag]['containerName'] = "mysql"
 									break;
-								case "mysql8":
+								case "mysql_5_7":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mysql:8.0.21').pull()
+										docker.image('mysql:5.7.40').pull()
 									}
-									sh "./docker_db.sh mysql_8_0"
+									sh "./docker_db.sh mysql_5_7"
 									state[buildEnv.tag]['containerName'] = "mysql"
 									break;
 								case "mariadb":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mariadb:10.7.5').pull()
+										docker.image('mariadb:10.9.3').pull()
 									}
 									sh "./docker_db.sh mariadb"
 									state[buildEnv.tag]['containerName'] = "mariadb"
 									break;
+								case "mariadb_10_3":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('mariadb:10.3.36').pull()
+									}
+									sh "./docker_db.sh mariadb_10_3"
+									state[buildEnv.tag]['containerName'] = "mariadb"
+									break;
 								case "postgresql":
 									// use the postgis image to enable the PGSQL GIS (spatial) extension
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('postgis/postgis:9.5-2.5').pull()
+										docker.image('postgis/postgis:14-3.3').pull()
 									}
 									sh "./docker_db.sh postgresql"
 									state[buildEnv.tag]['containerName'] = "postgres"
 									break;
-								case "postgresql_14":
+								case "postgresql_10":
 									// use the postgis image to enable the PGSQL GIS (spatial) extension
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('postgis/postgis:14-3.3').pull()
+										docker.image('postgis/postgis:10-2.5').pull()
 									}
-									sh "./docker_db.sh postgresql_14"
+									sh "./docker_db.sh postgresql_10"
 									state[buildEnv.tag]['containerName'] = "postgres"
 									break;
+								case "edb":
+									docker.image('quay.io/enterprisedb/edb-postgres-advanced:14.5-3.2-postgis').pull()
+									sh "./docker_db.sh edb"
+									state[buildEnv.tag]['containerName'] = "edb"
+									break;
+								case "edb_10":
+									docker.image('quay.io/enterprisedb/edb-postgres-advanced:10.22').pull()
+									sh "./docker_db.sh edb_10"
+									state[buildEnv.tag]['containerName'] = "edb"
+									break;
 								case "oracle":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('gvenzl/oracle-xe:18.4.0-full').pull()
+										docker.image('gvenzl/oracle-xe:21.3.0-full').pull()
 									}
-									sh "./docker_db.sh oracle_18"
+									sh "./docker_db.sh oracle"
+									state[buildEnv.tag]['containerName'] = "oracle"
+									break;
+								case "oracle_11_2":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('gvenzl/oracle-xe:11.2.0.2-full').pull()
+									}
+									sh "./docker_db.sh oracle_11"
 									state[buildEnv.tag]['containerName'] = "oracle"
 									break;
 								case "db2":
@@ -184,11 +223,23 @@ stage('Build') {
 									sh "./docker_db.sh db2"
 									state[buildEnv.tag]['containerName'] = "db2"
 									break;
+								case "db2_10_5":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('ibmoms/db2express-c@sha256:a499afd9709a1f69fb41703e88def9869955234c3525547e2efc3418d1f4ca2b').pull()
+									}
+									sh "./docker_db.sh db2_10_5"
+									state[buildEnv.tag]['containerName'] = "db2"
+									break;
 								case "mssql":
 									docker.image('mcr.microsoft.com/mssql/server@sha256:f54a84b8a802afdfa91a954e8ddfcec9973447ce8efec519adf593b54d49bedf').pull()
 									sh "./docker_db.sh mssql"
 									state[buildEnv.tag]['containerName'] = "mssql"
 									break;
+								case "mssql_2017":
+									docker.image('mcr.microsoft.com/mssql/server@sha256:7d194c54e34cb63bca083542369485c8f4141596805611e84d8c8bab2339eede').pull()
+									sh "./docker_db.sh mssql_2017"
+									state[buildEnv.tag]['containerName'] = "mssql"
+									break;
 								case "sybase":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
 										docker.image('nguoianphu/docker-sybase').pull()
@@ -196,10 +247,19 @@ stage('Build') {
 									sh "./docker_db.sh sybase"
 									state[buildEnv.tag]['containerName'] = "sybase"
 									break;
-								case "edb":
+								case "cockroachdb":
-									docker.image('quay.io/enterprisedb/edb-postgres-advanced:10.22').pull()
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-									sh "./docker_db.sh edb"
+										docker.image('cockroachdb/cockroach:v22.1.10').pull()
-									state[buildEnv.tag]['containerName'] = "edb"
+									}
+									sh "./docker_db.sh cockroachdb"
+									state[buildEnv.tag]['containerName'] = "cockroach"
+									break;
+								case "cockroachdb_21_2":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('cockroachdb/cockroach:v21.2.16').pull()
+									}
+									sh "./docker_db.sh cockroachdb_21_2"
+									state[buildEnv.tag]['containerName'] = "cockroach"
 									break;
 							}
 						}
@@ -208,7 +268,7 @@ stage('Build') {
 							withEnv(["RDBMS=${buildEnv.dbName}"]) {
 								try {
 									if (buildEnv.dbLockableResource == null) {
-										timeout( [time: buildEnv.longRunning ? 240 : 120, unit: 'MINUTES'] ) {
+										timeout( [time: buildEnv.longRunning ? 480 : 120, unit: 'MINUTES'] ) {
 											sh cmd
 										}
 									}
@@ -217,7 +277,7 @@ stage('Build') {
 											if ( buildEnv.dbLockResourceAsHost ) {
 												cmd += " -DdbHost=${LOCKED_RESOURCE}"
 											}
-											timeout( [time: buildEnv.longRunning ? 240 : 120, unit: 'MINUTES'] ) {
+											timeout( [time: buildEnv.longRunning ? 480 : 120, unit: 'MINUTES'] ) {
 												sh cmd
 											}
 										}

README.adoc

@@ -161,26 +161,18 @@ The following table illustrates a list of commands for various databases that ca
 |-
 |`./gradlew test -Pdb=derby`
 
-|MySQL 5.7
+|MySQL
 |`./docker_db.sh mysql`
 |`./gradlew test -Pdb=mysql_ci`
 
-|MySQL 8.0
-|`./docker_db.sh mysql_8_0`
-|`./gradlew test -Pdb=mysql_ci`
-
 |MariaDB
 |`./docker_db.sh mariadb`
 |`./gradlew test -Pdb=mariadb_ci`
 
-|PostgreSQL 10
+|PostgreSQL
 |`./docker_db.sh postgresql`
 |`./gradlew test -Pdb=pgsql_ci`
 
-|PostgreSQL 14
-|`./docker_db.sh postgresql_14`
-|`./gradlew test -Pdb=pgsql_ci`
-
 |EnterpriseDB
 |`./docker_db.sh edb`
 |`./gradlew test -Pdb=edb_ci`
@@ -189,22 +181,6 @@ The following table illustrates a list of commands for various databases that ca
 |`./docker_db.sh oracle`
 |`./gradlew test -Pdb=oracle_ci`
 
-|Oracle 11g
-|`./docker_db.sh oracle_11`
-|`./gradlew test -Pdb=oracle_ci`
-
-|Oracle XE 18
-|`./docker_db.sh oracle_18`
-|`./gradlew test -Pdb=oracle_ci`
-
-|Oracle XE 21
-|`./docker_db.sh oracle_21`
-|`./gradlew test -Pdb=oracle_ci`
-
-|Oracle EE
-|`./docker_db.sh oracle_ee`
-|`./gradlew test -Pdb=oracle_docker`
-
 |DB2
 |`./docker_db.sh db2`
 |`./gradlew test -Pdb=db2_ci`

ci/build.sh

@@ -1,44 +1,39 @@
 #! /bin/bash
 
 goal=
-if [ "$RDBMS" == "h2" ]; then
+if [ "$RDBMS" == "h2" ] || [ "$RDBMS" == "h2_1_4" ]; then
   # This is the default.
   goal=""
+elif [ "$RDBMS" == "hsqldb" ] || [ "$RDBMS" == "hsqldb_2_6" ]; then
+  goal="-Pdb=hsqldb"
 elif [ "$RDBMS" == "derby" ]; then
   goal="-Pdb=derby"
-elif [ "$RDBMS" == "edb" ]; then
+elif [ "$RDBMS" == "derby_10_14" ]; then
-  goal="-Pdb=edb_ci -DdbHost=localhost:5444"
+  goal="-Pdb=derby_old"
-elif [ "$RDBMS" == "hsqldb" ]; then
+elif [ "$RDBMS" == "mysql" ] || [ "$RDBMS" == "mysql_5_7" ]; then
-  goal="-Pdb=hsqldb"
-elif [ "$RDBMS" == "mysql8" ]; then
   goal="-Pdb=mysql_ci"
-elif [ "$RDBMS" == "mysql" ]; then
+elif [ "$RDBMS" == "mariadb" ] || [ "$RDBMS" == "mariadb_10_3" ]; then
-  goal="-Pdb=mysql_ci"
-elif [ "$RDBMS" == "mariadb" ]; then
   goal="-Pdb=mariadb_ci"
-elif [ "$RDBMS" == "postgresql" ]; then
+elif [ "$RDBMS" == "postgresql" ] || [ "$RDBMS" == "postgresql_10" ]; then
   goal="-Pdb=pgsql_ci"
-elif [ "$RDBMS" == "postgresql_14" ]; then
+elif [ "$RDBMS" == "edb" ] || [ "$RDBMS" == "edb_10" ]; then
-  goal="-Pdb=pgsql_ci"
+  goal="-Pdb=edb_ci -DdbHost=localhost:5444"
-elif [ "$RDBMS" == "oracle" ]; then
+elif [ "$RDBMS" == "oracle" ] || [ "$RDBMS" == "oracle_11_2" ]; then
-  # I have no idea why, but these tests don't work on GH Actions
+  # I have no idea why, but these tests don't seem to work on CI...
-  # yrodiere: Apparently those have been disabled on Jenkins as well...
   goal="-Pdb=oracle_ci -PexcludeTests=**.LockTest.testQueryTimeout*"
-elif [ "$RDBMS" == "oracle_ee" ]; then
-  goal="-Pdb=oracle_jenkins"
 elif [ "$RDBMS" == "db2" ]; then
   goal="-Pdb=db2_ci"
-elif [ "$RDBMS" == "mssql" ]; then
+elif [ "$RDBMS" == "db2_10_5" ]; then
+  goal="-Pdb=db2"
+elif [ "$RDBMS" == "mssql" ] || [ "$RDBMS" == "mssql_2017" ]; then
   goal="-Pdb=mssql_ci"
-elif [ "$RDBMS" == "hana" ]; then
-  goal="-Pdb=hana_ci"
-elif [ "$RDBMS" == "hana_cloud" ]; then
-  goal="-Pdb=hana_cloud"
 elif [ "$RDBMS" == "sybase" ]; then
   goal="-Pdb=sybase_ci"
 elif [ "$RDBMS" == "tidb" ]; then
   goal="-Pdb=tidb"
-elif [ "$RDBMS" == "cockroachdb" ]; then
+elif [ "$RDBMS" == "hana_cloud" ]; then
+  goal="-Pdb=hana_cloud"
+elif [ "$RDBMS" == "cockroachdb" ] || [ "$RDBMS" == "cockroachdb_21_2" ]; then
   goal="-Pdb=cockroachdb"
 fi
 

ci/database-start.sh

@@ -4,26 +4,22 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 if [ "$RDBMS" == 'mysql' ]; then
   bash $DIR/../docker_db.sh mysql
-elif [ "$RDBMS" == 'mysql8' ]; then
-  bash $DIR/../docker_db.sh mysql_8_0
 elif [ "$RDBMS" == 'mariadb' ]; then
   bash $DIR/../docker_db.sh mariadb
 elif [ "$RDBMS" == 'postgresql' ]; then
   bash $DIR/../docker_db.sh postgresql
-elif [ "$RDBMS" == 'postgresql_14' ]; then
-  bash $DIR/../docker_db.sh postgresql_14
 elif [ "$RDBMS" == 'edb' ]; then
   bash $DIR/../docker_db.sh edb
 elif [ "$RDBMS" == 'db2' ]; then
   bash $DIR/../docker_db.sh db2
 elif [ "$RDBMS" == 'oracle' ]; then
-  bash $DIR/../docker_db.sh oracle_18
+  bash $DIR/../docker_db.sh oracle
 elif [ "$RDBMS" == 'mssql' ]; then
   bash $DIR/../docker_db.sh mssql
-elif [ "$RDBMS" == 'hana' ]; then
-  bash $DIR/../docker_db.sh hana
 elif [ "$RDBMS" == 'sybase' ]; then
   bash $DIR/../docker_db.sh sybase
 elif [ "$RDBMS" == 'cockroachdb' ]; then
   bash $DIR/../docker_db.sh cockroachdb
+elif [ "$RDBMS" == 'hana' ]; then
+  bash $DIR/../docker_db.sh hana
 fi

docker_db.sh

@@ -16,12 +16,12 @@ else
 fi
 
 mysql() {
-  mysql_5_7
+  mysql_8_0
 }
 
 mysql_5_7() {
     $CONTAINER_CLI rm -f mysql || true
-    $CONTAINER_CLI run --name mysql -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mysql:5.7 --character-set-server=utf8mb4 --collation-server=utf8mb4_bin --skip-character-set-client-handshake --log-bin-trust-function-creators=1
+    $CONTAINER_CLI run --name mysql -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mysql:5.7.40 --character-set-server=utf8mb4 --collation-server=utf8mb4_bin --skip-character-set-client-handshake --log-bin-trust-function-creators=1
     # Give the container some time to start
     OUTPUT=
     n=0
@@ -45,7 +45,7 @@ mysql_5_7() {
 
 mysql_8_0() {
     $CONTAINER_CLI rm -f mysql || true
-    $CONTAINER_CLI run --name mysql -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mysql:8.0.21 --character-set-server=utf8mb4 --collation-server=utf8mb4_0900_as_cs --skip-character-set-client-handshake --log-bin-trust-function-creators=1
+    $CONTAINER_CLI run --name mysql -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mysql:8.0.31 --character-set-server=utf8mb4 --collation-server=utf8mb4_0900_as_cs --skip-character-set-client-handshake --log-bin-trust-function-creators=1
     # Give the container some time to start
     OUTPUT=
     n=0
@@ -68,8 +68,35 @@ mysql_8_0() {
 }
 
 mariadb() {
+  mariadb_10_9
+}
+
+mariadb_10_3() {
     $CONTAINER_CLI rm -f mariadb || true
-    $CONTAINER_CLI run --name mariadb -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mariadb:10.7.5 --character-set-server=utf8mb4 --collation-server=utf8mb4_bin --skip-character-set-client-handshake
+    $CONTAINER_CLI run --name mariadb -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mariadb:10.3.36 --character-set-server=utf8mb4 --collation-server=utf8mb4_bin --skip-character-set-client-handshake
+    OUTPUT=
+    n=0
+    until [ "$n" -ge 5 ]
+    do
+        # Need to access STDERR. Thanks for the snippet https://stackoverflow.com/a/56577569/412446
+        { OUTPUT="$( { $CONTAINER_CLI logs mariadb; } 2>&1 1>&3 3>&- )"; } 3>&1;
+        if [[ $OUTPUT == *"ready for connections"* ]]; then
+          break;
+        fi
+        n=$((n+1))
+        echo "Waiting for MariaDB to start..."
+        sleep 3
+    done
+    if [ "$n" -ge 5 ]; then
+      echo "MariaDB failed to start and configure after 15 seconds"
+    else
+      echo "MariaDB successfully started"
+    fi
+}
+
+mariadb_10_9() {
+    $CONTAINER_CLI rm -f mariadb || true
+    $CONTAINER_CLI run --name mariadb -e MYSQL_USER=hibernate_orm_test -e MYSQL_PASSWORD=hibernate_orm_test -e MYSQL_DATABASE=hibernate_orm_test -e MYSQL_ROOT_PASSWORD=hibernate_orm_test -p3306:3306 -d docker.io/mariadb:10.9.3 --character-set-server=utf8mb4 --collation-server=utf8mb4_bin --skip-character-set-client-handshake
     OUTPUT=
     n=0
     until [ "$n" -ge 5 ]
@@ -91,7 +118,7 @@ mariadb() {
 }
 
 postgresql() {
-  postgresql_10
+  postgresql_14
 }
 
 postgresql_9_5() {
@@ -115,19 +142,28 @@ postgresql_14() {
 }
 
 edb() {
-    edb_10
+    edb_14
 }
 
 edb_10() {
     $CONTAINER_CLI rm -f edb || true
-    # The version of the base image can be seen and updated in ./edb/Dockerfile
     # We need to build a derived image because the existing image is mainly made for use by a kubernetes operator
-    (cd edb; $CONTAINER_CLI build -t edb-test:latest .)
+    (cd edb; $CONTAINER_CLI build -t edb-test:10 -f edb10.Dockerfile .)
-    $CONTAINER_CLI run --name edb -e POSTGRES_USER=hibernate_orm_test -e POSTGRES_PASSWORD=hibernate_orm_test -e POSTGRES_DB=hibernate_orm_test -p 5444:5444 -d edb-test:latest
+    $CONTAINER_CLI run --name edb -e POSTGRES_USER=hibernate_orm_test -e POSTGRES_PASSWORD=hibernate_orm_test -e POSTGRES_DB=hibernate_orm_test -p 5444:5444 -d edb-test:10
+}
+
+edb_14() {
+    $CONTAINER_CLI rm -f edb || true
+    # We need to build a derived image because the existing image is mainly made for use by a kubernetes operator
+    (cd edb; $CONTAINER_CLI build -t edb-test:14 -f edb14.Dockerfile .)
+    $CONTAINER_CLI run --name edb -e POSTGRES_USER=hibernate_orm_test -e POSTGRES_PASSWORD=hibernate_orm_test -e POSTGRES_DB=hibernate_orm_test -p 5444:5444 -d edb-test:14
 }
 
 db2() {
-    echo $CONTAINER_CLI
+  db2_11_5
+}
+
+db2_11_5() {
     $PRIVILEGED_CLI $CONTAINER_CLI rm -f db2 || true
     $PRIVILEGED_CLI $CONTAINER_CLI run --name db2 --privileged -e DB2INSTANCE=orm_test -e DB2INST1_PASSWORD=orm_test -e DBNAME=orm_test -e LICENSE=accept -e AUTOCONFIG=false -e ARCHIVE_LOGS=false -e TO_CREATE_SAMPLEDB=false -e REPODB=false -p 50000:50000 -d docker.io/ibmcom/db2:11.5.7.0
     # Give the container some time to start
@@ -140,6 +176,28 @@ db2() {
     $PRIVILEGED_CLI $CONTAINER_CLI exec -t db2 su - orm_test bash -c ". /database/config/orm_test/sqllib/db2profile && /database/config/orm_test/sqllib/bin/db2 'connect to orm_test' && /database/config/orm_test/sqllib/bin/db2 'CREATE USER TEMPORARY TABLESPACE usr_tbsp MANAGED BY AUTOMATIC STORAGE'"
 }
 
+db2_10_5() {
+    $PRIVILEGED_CLI $CONTAINER_CLI rm -f db2 || true
+    # The sha represents the tag 10.5.0.5-3.10.0
+    $PRIVILEGED_CLI $CONTAINER_CLI run --name db2 --privileged -e DB2INST1_PASSWORD=db2inst1-pwd -e LICENSE=accept -p 50000:50000 -d docker.io/ibmoms/db2express-c@sha256:a499afd9709a1f69fb41703e88def9869955234c3525547e2efc3418d1f4ca2b db2start
+    # Give the container some time to start
+    OUTPUT=
+    while [[ $OUTPUT != *"DB2START"* ]]; do
+        echo "Waiting for DB2 to start..."
+        sleep 10
+        OUTPUT=$($PRIVILEGED_CLI $CONTAINER_CLI logs db2)
+    done
+    $PRIVILEGED_CLI $CONTAINER_CLI exec -t db2 su - db2inst1 bash -c "/home/db2inst1/sqllib/bin/db2 create database orm_test &&
+    /home/db2inst1/sqllib/bin/db2 'connect to orm_test' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE BUFFERPOOL BP8K pagesize 8K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE SYSTEM TEMPORARY TABLESPACE STB_8 PAGESIZE 8K BUFFERPOOL BP8K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE BUFFERPOOL BP16K pagesize 16K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE SYSTEM TEMPORARY TABLESPACE STB_16 PAGESIZE 16K BUFFERPOOL BP16K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE BUFFERPOOL BP32K pagesize 32K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE SYSTEM TEMPORARY TABLESPACE STB_32 PAGESIZE 32K BUFFERPOOL BP32K' &&
+    /home/db2inst1/sqllib/bin/db2 'CREATE USER TEMPORARY TABLESPACE usr_tbsp MANAGED BY AUTOMATIC STORAGE'"
+}
+
 db2_spatial() {
     $PRIVILEGED_CLI $CONTAINER_CLI rm -f db2spatial || true
     temp_dir=$(mktemp -d)
@@ -200,9 +258,35 @@ EOF
 }
 
 mssql() {
+  mssql_2022
+}
+
+mssql_2017() {
     $CONTAINER_CLI rm -f mssql || true
-    #This sha256 matches a specific tag of mcr.microsoft.com/mssql/server:2019-latest :
+    #This sha256 matches a specific tag of mcr.microsoft.com/mssql/server:2017-latest :
-    $CONTAINER_CLI run --name mssql -d -p 1433:1433 -e "SA_PASSWORD=Hibernate_orm_test" -e ACCEPT_EULA=Y mcr.microsoft.com/mssql/server@sha256:f54a84b8a802afdfa91a954e8ddfcec9973447ce8efec519adf593b54d49bedf
+    $CONTAINER_CLI run --name mssql -d -p 1433:1433 -e "SA_PASSWORD=Hibernate_orm_test" -e ACCEPT_EULA=Y mcr.microsoft.com/mssql/server@sha256:7d194c54e34cb63bca083542369485c8f4141596805611e84d8c8bab2339eede
+    sleep 5
+    n=0
+    until [ "$n" -ge 5 ]
+    do
+        # We need a database that uses a non-lock based MVCC approach
+        # https://github.com/microsoft/homebrew-mssql-release/issues/2#issuecomment-682285561
+        $CONTAINER_CLI exec mssql bash -c 'echo "create database hibernate_orm_test collate SQL_Latin1_General_CP1_CS_AS; alter database hibernate_orm_test set READ_COMMITTED_SNAPSHOT ON" | /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P Hibernate_orm_test -i /dev/stdin' && break
+        echo "Waiting for SQL Server to start..."
+        n=$((n+1))
+        sleep 5
+    done
+    if [ "$n" -ge 5 ]; then
+      echo "SQL Server failed to start and configure after 25 seconds"
+    else
+      echo "SQL Server successfully started"
+    fi
+}
+
+mssql_2022() {
+    $CONTAINER_CLI rm -f mssql || true
+    #This sha256 matches a specific tag of mcr.microsoft.com/mssql/server:2022-latest :
+    $CONTAINER_CLI run --name mssql -d -p 1433:1433 -e "SA_PASSWORD=Hibernate_orm_test" -e ACCEPT_EULA=Y mcr.microsoft.com/mssql/server@sha256:5439be9edc3b514cf647bcd3651779fa13f487735a985f40cbdcfecc60fea273
     sleep 5
     n=0
     until [ "$n" -ge 5 ]
@@ -362,13 +446,13 @@ oracle_setup() {
     # We increase file sizes to avoid online resizes as that requires lots of CPU which is restricted in XE
     $CONTAINER_CLI exec oracle bash -c "source /home/oracle/.bashrc; bash -c \"
 cat <<EOF | \$ORACLE_HOME/bin/sqlplus sys/Oracle18@localhost/XE as sysdba
-alter database tempfile '/opt/oracle/oradata/XE/temp01.dbf' resize 400M;
+alter database tempfile '\$ORACLE_BASE/oradata/XE/temp01.dbf' resize 400M;
-alter database datafile '/opt/oracle/oradata/XE/system01.dbf' resize 1000M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/system01.dbf' resize 1000M;
-alter database datafile '/opt/oracle/oradata/XE/sysaux01.dbf' resize 600M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/sysaux01.dbf' resize 600M;
-alter database datafile '/opt/oracle/oradata/XE/undotbs01.dbf' resize 300M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/undotbs01.dbf' resize 300M;
-alter database add logfile group 4 '/opt/oracle/oradata/XE/redo04.log' size 500M reuse;
+alter database add logfile group 4 '\$ORACLE_BASE/oradata/XE/redo04.log' size 500M reuse;
-alter database add logfile group 5 '/opt/oracle/oradata/XE/redo05.log' size 500M reuse;
+alter database add logfile group 5 '\$ORACLE_BASE/oradata/XE/redo05.log' size 500M reuse;
-alter database add logfile group 6 '/opt/oracle/oradata/XE/redo06.log' size 500M reuse;
+alter database add logfile group 6 '\$ORACLE_BASE/oradata/XE/redo06.log' size 500M reuse;
 
 alter system switch logfile;
 alter system switch logfile;
@@ -382,16 +466,65 @@ alter system set open_cursors=1000 sid='*' scope=both;
 EOF\""
 }
 
-oracle_legacy() {
+oracle_setup_old() {
-    $CONTAINER_CLI rm -f oracle || true
+    HEALTHSTATUS=
-    # We need to use the defaults
+    until [ "$HEALTHSTATUS" == "healthy" ];
-    # SYSTEM/Oracle18
+    do
-    $CONTAINER_CLI run --shm-size=1536m --name oracle -d -p 1521:1521 --ulimit nofile=1048576:1048576 docker.io/quillbuilduser/oracle-18-xe
+        echo "Waiting for Oracle to start..."
-    oracle_setup
+        sleep 5;
+        # On WSL, health-checks intervals don't work for Podman, so run them manually
+        if command -v podman > /dev/null; then
+          $CONTAINER_CLI healthcheck run oracle > /dev/null
+        fi
+        HEALTHSTATUS="`$CONTAINER_CLI inspect -f $HEALTCHECK_PATH oracle`"
+        HEALTHSTATUS=${HEALTHSTATUS##+( )} #Remove longest matching series of spaces from the front
+        HEALTHSTATUS=${HEALTHSTATUS%%+( )} #Remove longest matching series of spaces from the back
+    done
+    # We increase file sizes to avoid online resizes as that requires lots of CPU which is restricted in XE
+    $CONTAINER_CLI exec oracle bash -c "source /home/oracle/.bashrc; bash -c \"
+cat <<EOF | \$ORACLE_HOME/bin/sqlplus sys/Oracle18@localhost/XE as sysdba
+alter database tempfile '\$ORACLE_BASE/oradata/XE/temp.dbf' resize 400M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/system.dbf' resize 1000M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/sysaux.dbf' resize 700M;
+alter database datafile '\$ORACLE_BASE/oradata/XE/undotbs1.dbf' resize 300M;
+alter database add logfile group 4 '\$ORACLE_BASE/oradata/XE/redo04.log' size 500M reuse;
+alter database add logfile group 5 '\$ORACLE_BASE/oradata/XE/redo05.log' size 500M reuse;
+alter database add logfile group 6 '\$ORACLE_BASE/oradata/XE/redo06.log' size 500M reuse;
+
+alter system switch logfile;
+alter system switch logfile;
+alter system switch logfile;
+alter system checkpoint;
+
+alter database drop logfile group 1;
+alter database drop logfile group 2;
+alter system set open_cursors=1000 sid='*' scope=both;
+alter system set processes=150 scope=spfile;
+alter system set filesystemio_options=asynch scope=spfile;
+alter system set disk_asynch_io=true scope=spfile;
+EOF\""
+  echo "Waiting for Oracle to restart after configuration..."
+  $CONTAINER_CLI stop oracle
+  $CONTAINER_CLI start oracle
+  HEALTHSTATUS=
+  until [ "$HEALTHSTATUS" == "healthy" ];
+  do
+      echo "Waiting for Oracle to start..."
+      sleep 5;
+      # On WSL, health-checks intervals don't work for Podman, so run them manually
+      if command -v podman > /dev/null; then
+        $CONTAINER_CLI healthcheck run oracle > /dev/null
+      fi
+      HEALTHSTATUS="`$CONTAINER_CLI inspect -f $HEALTCHECK_PATH oracle`"
+      HEALTHSTATUS=${HEALTHSTATUS##+( )} #Remove longest matching series of spaces from the front
+      HEALTHSTATUS=${HEALTHSTATUS%%+( )} #Remove longest matching series of spaces from the back
+  done
+  sleep 2;
+  echo "Oracle successfully started"
 }
 
 oracle() {
-  oracle_18
+  oracle_21
 }
 
 oracle_11() {
@@ -404,7 +537,7 @@ oracle_11() {
       --health-timeout 5s \
       --health-retries 10 \
       docker.io/gvenzl/oracle-xe:11.2.0.2-full
-    oracle_setup
+    oracle_setup_old
 }
 
 oracle_18() {
@@ -433,46 +566,6 @@ oracle_21() {
     oracle_setup
 }
 
-oracle_ee() {
-    #$CONTAINER_CLI login
-    $CONTAINER_CLI rm -f oracle || true
-    # We need to use the defaults
-    # sys as sysdba/Oradoc_db1
-    $CONTAINER_CLI run --name oracle -d -p 1521:1521 docker.io/store/oracle/database-enterprise:12.2.0.1-slim
-    # Give the container some time to start
-    OUTPUT=
-    while [[ $OUTPUT != *"NLS_CALENDAR"* ]]; do
-        echo "Waiting for Oracle to start..."
-        sleep 10
-        OUTPUT=$($CONTAINER_CLI logs oracle)
-    done
-    echo "Oracle successfully started"
-    # We increase file sizes to avoid online resizes as that requires lots of CPU which is restricted in XE
-    $CONTAINER_CLI exec oracle bash -c "source /home/oracle/.bashrc; \$ORACLE_HOME/bin/sqlplus sys/Oradoc_db1@ORCLCDB as sysdba <<EOF
-create user c##hibernate_orm_test identified by hibernate_orm_test container=all;
-grant connect, resource, dba to c##hibernate_orm_test container=all;
-alter database tempfile '/u02/app/oracle/oradata/ORCL/temp01.dbf' resize 400M;
-alter database datafile '/u02/app/oracle/oradata/ORCL/system01.dbf' resize 1000M;
-alter database datafile '/u02/app/oracle/oradata/ORCL/sysaux01.dbf' resize 900M;
-alter database datafile '/u02/app/oracle/oradata/ORCL/undotbs01.dbf' resize 300M;
-alter database add logfile group 4 '/u02/app/oracle/oradata/ORCL/redo04.log' size 500M reuse;
-alter database add logfile group 5 '/u02/app/oracle/oradata/ORCL/redo05.log' size 500M reuse;
-alter database add logfile group 6 '/u02/app/oracle/oradata/ORCL/redo06.log' size 500M reuse;
-
-alter system switch logfile;
-alter system switch logfile;
-alter system switch logfile;
-alter system checkpoint;
-
-alter database drop logfile group 1;
-alter database drop logfile group 2;
-alter database drop logfile group 3;
-alter session set container=ORCLPDB1;
-alter database datafile '/u02/app/oracle/oradata/ORCLCDB/orclpdb1/system01.dbf' resize 500M;
-alter database datafile '/u02/app/oracle/oradata/ORCLCDB/orclpdb1/sysaux01.dbf' resize 500M;
-EOF"
-}
-
 hana() {
     temp_dir=$(mktemp -d)
     echo '{"master_password" : "H1bernate_test"}' >$temp_dir/password.json
@@ -500,6 +593,54 @@ hana() {
 }
 
 cockroachdb() {
+  cockroachdb_22_1
+}
+
+cockroachdb_22_1() {
+  $CONTAINER_CLI rm -f cockroach || true
+  LOG_CONFIG="
+sinks:
+  stderr:
+    channels: all
+    filter: ERROR
+    redact: false
+    exit-on-error: true
+"
+  $CONTAINER_CLI run -d --name=cockroach -m 3g -p 26257:26257 -p 8080:8080 docker.io/cockroachdb/cockroach:v22.1.10 start-single-node \
+    --insecure --store=type=mem,size=640MiB --advertise-addr=localhost --log="$LOG_CONFIG"
+  OUTPUT=
+  while [[ $OUTPUT != *"CockroachDB node starting"* ]]; do
+        echo "Waiting for CockroachDB to start..."
+        sleep 10
+        # Note we need to redirect stderr to stdout to capture the logs
+        OUTPUT=$($CONTAINER_CLI logs cockroach 2>&1)
+  done
+  echo "Enabling experimental box2d operators and some optimized settings for running the tests"
+  #settings documented in https://www.cockroachlabs.com/docs/v21.2/local-testing.html#use-a-local-single-node-cluster-with-in-memory-storage
+  $CONTAINER_CLI exec cockroach bash -c "cat <<EOF | ./cockroach sql --insecure
+SET CLUSTER SETTING sql.spatial.experimental_box2d_comparison_operators.enabled = on;
+SET CLUSTER SETTING kv.raft_log.disable_synchronization_unsafe = true;
+SET CLUSTER SETTING kv.range_merge.queue_interval = '50ms';
+SET CLUSTER SETTING jobs.registry.interval.gc = '30s';
+SET CLUSTER SETTING jobs.registry.interval.cancel = '180s';
+SET CLUSTER SETTING jobs.retention_time = '15s';
+SET CLUSTER SETTING schemachanger.backfiller.buffer_increment = '128 KiB';
+SET CLUSTER SETTING sql.stats.automatic_collection.enabled = false;
+SET CLUSTER SETTING kv.range_split.by_load_merge_delay = '5s';
+SET CLUSTER SETTING timeseries.storage.enabled = false;
+SET CLUSTER SETTING timeseries.storage.resolution_10s.ttl = '0s';
+SET CLUSTER SETTING timeseries.storage.resolution_30m.ttl = '0s';
+ALTER RANGE default CONFIGURE ZONE USING \"gc.ttlseconds\" = 10;
+ALTER DATABASE system CONFIGURE ZONE USING \"gc.ttlseconds\" = 10;
+ALTER DATABASE defaultdb CONFIGURE ZONE USING \"gc.ttlseconds\" = 10;
+quit
+EOF
+"
+  echo "Cockroachdb successfully started"
+
+}
+
+cockroachdb_21_2() {
   $CONTAINER_CLI rm -f cockroach || true
   LOG_CONFIG="
 sinks:
@@ -547,26 +688,34 @@ if [ -z ${1} ]; then
     echo "No db name provided"
     echo "Provide one of:"
     echo -e "\tcockroachdb"
+    echo -e "\tcockroachdb_22_1"
+    echo -e "\tcockroachdb_21_1"
     echo -e "\tdb2"
+    echo -e "\tdb2_11_5"
+    echo -e "\tdb2_10_5"
     echo -e "\tdb2_spatial"
     echo -e "\tedb"
+    echo -e "\tedb_14"
+    echo -e "\tedb_10"
     echo -e "\thana"
     echo -e "\tmariadb"
+    echo -e "\tmariadb_10_9"
+    echo -e "\tmariadb_10_3"
     echo -e "\tmssql"
+    echo -e "\tmssql_2022"
+    echo -e "\tmssql_2017"
     echo -e "\tmysql"
-    echo -e "\tmysql_5_7"
     echo -e "\tmysql_8_0"
+    echo -e "\tmysql_5_7"
     echo -e "\toracle"
-    echo -e "\toracle_11"
-    echo -e "\toracle_18"
     echo -e "\toracle_21"
-    echo -e "\toracle_ee"
+    echo -e "\toracle_18"
-    echo -e "\tpostgis"
+    echo -e "\toracle_11"
+    echo -e "\tpostgresql"
     echo -e "\tpostgresql_14"
     echo -e "\tpostgresql_13"
     echo -e "\tpostgresql_10"
     echo -e "\tpostgresql_9_5"
-    echo -e "\tpostgresql"
     echo -e "\tsybase"
 else
     ${1}

documentation/src/test/java/org/hibernate/userguide/hql/HQLTest.java

@@ -47,7 +47,7 @@ import org.hibernate.userguide.model.PhoneType;
 import org.hibernate.userguide.model.WireTransferPayment;
 
 import org.hibernate.testing.RequiresDialect;
-import org.hibernate.testing.SkipForDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.testing.DialectChecks;
 import org.hibernate.testing.RequiresDialectFeature;
 import org.junit.Before;
@@ -1534,8 +1534,8 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(DerbyDialect.class)
+	@SkipForDialect(dialectClass = DerbyDialect.class)
-	@SkipForDialect(SybaseASEDialect.class)
+	@SkipForDialect(dialectClass = SybaseASEDialect.class)
 	public void test_hql_aggregate_functions_within_group_example() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-aggregate-functions-within-group-example[]
@@ -1552,7 +1552,7 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(value = DerbyDialect.class, comment = "See https://issues.apache.org/jira/browse/DERBY-2072")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "See https://issues.apache.org/jira/browse/DERBY-2072")
 	public void test_hql_concat_function_example() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-concat-function-example[]
@@ -1716,7 +1716,7 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(value = CockroachDialect.class, comment = "https://github.com/cockroachdb/cockroach/issues/26710")
+	@SkipForDialect(dialectClass = CockroachDialect.class, reason = "https://github.com/cockroachdb/cockroach/issues/26710")
 	public void test_hql_sqrt_function_example() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-sqrt-function-example[]
@@ -1731,8 +1731,8 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(SQLServerDialect.class)
+	@SkipForDialect(dialectClass = SQLServerDialect.class)
-	@SkipForDialect(value = DerbyDialect.class, comment = "Comparisons between 'DATE' and 'TIMESTAMP' are not supported")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "Comparisons between 'DATE' and 'TIMESTAMP' are not supported")
 	public void test_hql_current_date_function_example() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-current-date-function-example[]
@@ -1869,7 +1869,7 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(SQLServerDialect.class)
+	@SkipForDialect(dialectClass = SQLServerDialect.class)
 	public void test_hql_str_function_example() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-str-function-example[]
@@ -2006,7 +2006,7 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 	}
 
 	@Test
-	@SkipForDialect(value = DerbyDialect.class, comment = "Comparisons between 'DATE' and 'TIMESTAMP' are not supported")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "Comparisons between 'DATE' and 'TIMESTAMP' are not supported")
 	public void test_hql_collection_expressions_example_8() {
 		doInJPA(this::entityManagerFactory, entityManager -> {
 			//tag::hql-collection-expressions-all-example[]
@@ -3234,6 +3234,7 @@ public class HQLTest extends BaseEntityManagerFunctionalTestCase {
 			DialectChecks.SupportsSubqueryInOnClause.class,
 			DialectChecks.SupportsOrderByInCorrelatedSubquery.class
 	})
+	@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "The lateral emulation for Oracle 11 would be very complex because nested correlation is unsupported")
 	public void test_hql_derived_join_example() {
 
 		doInJPA(this::entityManagerFactory, entityManager -> {

documentation/src/test/java/org/hibernate/userguide/mapping/basic/BooleanMappingTests.java

@@ -51,7 +51,7 @@ public class BooleanMappingTests {
 			assertThat(
 					jdbcMapping.getJdbcType().getJdbcTypeCode(),
 					// the implicit mapping will depend on the Dialect
-					isOneOf(Types.BOOLEAN, Types.BIT, Types.TINYINT)
+					isOneOf( Types.BOOLEAN, Types.BIT, Types.TINYINT, Types.SMALLINT )
 			);
 		}
 

documentation/src/test/java/org/hibernate/userguide/mapping/basic/EnumerationCustomTypeTest.java

@@ -11,6 +11,7 @@ import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
 
 import org.junit.Test;
 
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
 
@@ -49,6 +50,7 @@ public class EnumerationCustomTypeTest extends BaseEntityManagerFunctionalTestCa
 		private String name;
 
 		@Type(org.hibernate.userguide.mapping.basic.GenderType.class)
+		@Column(length = 6)
 		public Gender gender;
 
 		//Getters and setters are omitted for brevity

edb/edb14.Dockerfile

@@ -0,0 +1,48 @@
+FROM quay.io/enterprisedb/edb-postgres-advanced:14.5-3.2-postgis
+USER root
+# this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values)
+RUN chown -R postgres:postgres /var/lib/edb && chmod 777 /var/lib/edb && rm /docker-entrypoint-initdb.d/10_postgis.sh
+
+USER postgres
+ENV LANG en_US.utf8
+ENV PG_MAJOR 14
+ENV PG_VERSION 14
+ENV PGPORT 5444
+ENV PGDATA /var/lib/edb/as$PG_MAJOR/data/
+VOLUME /var/lib/edb/as$PG_MAJOR/data/
+
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+# We set the default STOPSIGNAL to SIGINT, which corresponds to what PostgreSQL
+# calls "Fast Shutdown mode" wherein new connections are disallowed and any
+# in-progress transactions are aborted, allowing PostgreSQL to stop cleanly and
+# flush tables to disk, which is the best compromise available to avoid data
+# corruption.
+#
+# Users who know their applications do not keep open long-lived idle connections
+# may way to use a value of SIGTERM instead, which corresponds to "Smart
+# Shutdown mode" in which any existing sessions are allowed to finish and the
+# server stops when all sessions are terminated.
+#
+# See https://www.postgresql.org/docs/12/server-shutdown.html for more details
+# about available PostgreSQL server shutdown signals.
+#
+# See also https://www.postgresql.org/docs/12/server-start.html for further
+# justification of this as the default value, namely that the example (and
+# shipped) systemd service files use the "Fast Shutdown mode" for service
+# termination.
+#
+STOPSIGNAL SIGINT
+#
+# An additional setting that is recommended for all users regardless of this
+# value is the runtime "--stop-timeout" (or your orchestrator/runtime's
+# equivalent) for controlling how long to wait between sending the defined
+# STOPSIGNAL and sending SIGKILL (which is likely to cause data corruption).
+#
+# The default in most runtimes (such as Docker) is 10 seconds, and the
+# documentation at https://www.postgresql.org/docs/12/server-start.html notes
+# that even 90 seconds may not be long enough in many instances.
+
+EXPOSE 5444
+CMD ["postgres"]

gradle/databases.gradle

@@ -29,6 +29,14 @@ ext {
                         'connection.init_sql' : ''
                 ],
                 derby : [
+                        'db.dialect' : 'org.hibernate.dialect.DerbyDialect',
+                        'jdbc.driver': 'org.apache.derby.iapi.jdbc.AutoloadedDriver',
+                        'jdbc.user'  : 'hibernate_orm_test',
+                        'jdbc.pass'  : 'hibernate_orm_test',
+                        'jdbc.url'   : 'jdbc:derby:target/tmp/derby/hibernate_orm_test;databaseName=hibernate_orm_test;create=true',
+                        'connection.init_sql' : ''
+                ],
+                derby_old : [
                         'db.dialect' : 'org.hibernate.dialect.DerbyDialect',
                         'jdbc.driver': 'org.apache.derby.jdbc.EmbeddedDriver',
                         'jdbc.user'  : 'hibernate_orm_test',
@@ -45,15 +53,6 @@ ext {
                         'jdbc.url'   : 'jdbc:postgresql://' + dbHost + '/hibernate_orm_test?preparedStatementCacheQueries=0',
                         'connection.init_sql' : ''
                 ],
-                pgsql_docker : [
-                        'db.dialect' : 'org.hibernate.dialect.PostgreSQLDialect',
-                        'jdbc.driver': 'org.postgresql.Driver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        // Disable prepared statement caching due to https://www.postgresql.org/message-id/CAEcMXhmmRd4-%2BNQbnjDT26XNdUoXdmntV9zdr8%3DTu8PL9aVCYg%40mail.gmail.com
-                        'jdbc.url'   : 'jdbc:postgresql://' + dbHost + '/hibernate_orm_test?preparedStatementCacheQueries=0',
-                        'connection.init_sql' : ''
-                ],
                 pgsql_ci : [
                         'db.dialect' : 'org.hibernate.dialect.PostgreSQLDialect',
                         'jdbc.driver': 'org.postgresql.Driver',
@@ -81,15 +80,6 @@ ext {
                         'jdbc.url'   : 'jdbc:jtds:sybase://' + dbHost + ':5000/hibernate_orm_test;maxStatements=0;cacheMetaData=false',
                         'connection.init_sql' : 'set ansinull on'
                 ],
-                sybase_ci_legacynull : [
-                        'db.dialect' : 'org.hibernate.dialect.SybaseASEDialect',
-                        'jdbc.driver': 'net.sourceforge.jtds.jdbc.Driver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        // Disable prepared statement caching to avoid issues with changing schemas
-                        'jdbc.url'   : 'jdbc:jtds:sybase://' + dbHost + ':5000/hibernate_orm_test;maxStatements=0;cacheMetaData=false',
-                        'connection.init_sql' : ''
-                ],
                 mysql : [
                         'db.dialect' : 'org.hibernate.dialect.MySQLDialect',
                         'jdbc.driver': 'com.mysql.cj.jdbc.Driver',
@@ -98,14 +88,6 @@ ext {
                         'jdbc.url'   : 'jdbc:mysql://' + dbHost + '/hibernate_orm_test',
                         'connection.init_sql' : ''
                 ],
-                mysql_docker : [
-                        'db.dialect' : 'org.hibernate.dialect.MySQLDialect',
-                        'jdbc.driver': 'com.mysql.cj.jdbc.Driver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:mysql://' + dbHost + '/hibernate_orm_test?allowPublicKeyRetrieval=true',
-                        'connection.init_sql' : ''
-                ],
                 mysql_ci : [
                         'db.dialect' : 'org.hibernate.dialect.MySQLDialect',
                         'jdbc.driver': 'com.mysql.cj.jdbc.Driver',
@@ -114,15 +96,6 @@ ext {
                         'jdbc.url'   : 'jdbc:mysql://' + dbHost + '/hibernate_orm_test?allowPublicKeyRetrieval=true',
                         'connection.init_sql' : ''
                 ],
-                // uses docker mysql_8_0
-                mysql8_spatial_ci: [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.mysql.MySQL8SpatialDialect',
-                        'jdbc.driver': 'com.mysql.cj.jdbc.Driver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:mysql://' + dbHost + '/hibernate_orm_test?allowPublicKeyRetrieval=true',
-                        'connection.init_sql' : ''
-                ],
                 mariadb : [
                         'db.dialect' : 'org.hibernate.dialect.MariaDBDialect',
                         'jdbc.driver': 'org.mariadb.jdbc.Driver',
@@ -139,14 +112,6 @@ ext {
                         'jdbc.url'   : 'jdbc:mariadb://' + dbHost + '/hibernate_orm_test',
                         'connection.init_sql' : ''
                 ],
-                mariadb_spatial_ci : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.mariadb.MariaDB103SpatialDialect',
-                        'jdbc.driver': 'org.mariadb.jdbc.Driver',
-                        'jdbc.user'  : 'root',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:mariadb://' + dbHost + '/hibernate_orm_test',
-                        'connection.init_sql' : ''
-                ],
                 tidb : [
                         'db.dialect' : 'org.hibernate.dialect.TiDBDialect',
                         'jdbc.driver': 'com.mysql.jdbc.Driver',
@@ -155,23 +120,6 @@ ext {
                         'jdbc.url'   : 'jdbc:mysql://' + dbHost + '/hibernate_orm_test',
                         'connection.init_sql' : ''
                 ],
-                tidb_ci5 : [
-                        'db.dialect' : 'org.hibernate.dialect.TiDBDialect',
-                        'jdbc.driver': 'com.mysql.jdbc.Driver',
-                        'jdbc.user'  : 'root',
-                        'jdbc.pass'  : '',
-                        'jdbc.url'   : 'jdbc:mysql://' + dbHost + ':4000/test',
-                        'connection.init_sql' : ''
-                ],
-                postgis : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.postgis.PostgisPG95Dialect',
-                        'jdbc.driver': 'org.postgresql.Driver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        // Disable prepared statement caching due to https://www.postgresql.org/message-id/CAEcMXhmmRd4-%2BNQbnjDT26XNdUoXdmntV9zdr8%3DTu8PL9aVCYg%40mail.gmail.com
-                        'jdbc.url'   : 'jdbc:postgresql://' + dbHost + '/hibernate_orm_test?preparedStatementCacheQueries=0',
-                        'connection.init_sql' : ''
-                ],
                 oracle : [
                         'db.dialect' : 'org.hibernate.dialect.OracleDialect',
                         'jdbc.driver': 'oracle.jdbc.OracleDriver',
@@ -180,31 +128,6 @@ ext {
                         'jdbc.url'   : 'jdbc:oracle:thin:@' + dbHost + ':1521/xe',
                         'connection.init_sql' : ''
                 ],
-                oracle_jenkins : [
-                        'db.dialect' : 'org.hibernate.dialect.OracleDialect',
-                        'jdbc.driver': 'oracle.jdbc.OracleDriver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:oracle:thin:@hibernate-testing-oracle-se.ccuzkqo3zqzq.us-east-1.rds.amazonaws.com:1521:ORCL',
-                        'connection.init_sql' : ''
-                ],
-                oracle_rds : [
-                        'db.dialect' : 'org.hibernate.dialect.OracleDialect',
-                        'jdbc.driver': 'oracle.jdbc.OracleDriver',
-                        'jdbc.user'  : 'hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:oracle:thin:@localhost:1521:ORCL',
-                        'connection.init_sql' : ''
-                ],
-                // Use ./docker_db.sh oracle_ee to start the database
-                oracle_docker : [
-                        'db.dialect' : 'org.hibernate.dialect.OracleDialect',
-                        'jdbc.driver': 'oracle.jdbc.OracleDriver',
-                        'jdbc.user'  : 'c##hibernate_orm_test',
-                        'jdbc.pass'  : 'hibernate_orm_test',
-                        'jdbc.url'   : 'jdbc:oracle:thin:@' + dbHost + ':1521/ORCLPDB1.localdomain',
-                        'connection.init_sql' : ''
-                ],
                 oracle_ci : [
                         'db.dialect' : 'org.hibernate.dialect.OracleDialect',
                         'jdbc.driver': 'oracle.jdbc.OracleDriver',
@@ -213,14 +136,6 @@ ext {
                         'jdbc.url'   : 'jdbc:oracle:thin:@' + dbHost + ':1521:XE',
                         'connection.init_sql' : ''
                 ],
-                oracle_spatial_ci : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.oracle.OracleSpatial10gDialect',
-                        'jdbc.driver': 'oracle.jdbc.OracleDriver',
-                        'jdbc.user'  : 'SYSTEM',
-                        'jdbc.pass'  : 'Oracle18',
-                        'jdbc.url'   : 'jdbc:oracle:thin:@' + dbHost + ':1521:XE',
-                        'connection.init_sql' : ''
-                ],
                 mssql : [
                         'db.dialect' : 'org.hibernate.dialect.SQLServerDialect',
                         'jdbc.driver': 'com.microsoft.sqlserver.jdbc.SQLServerDriver',
@@ -250,7 +165,7 @@ ext {
                         'jdbc.driver': 'com.ibm.db2.jcc.DB2Driver',
                         'jdbc.user'  : 'db2inst1',
                         'jdbc.pass'  : 'db2inst1-pwd',
-                        'jdbc.url'   : 'jdbc:db2://' + dbHost + ':50000/hibern8',
+                        'jdbc.url'   : 'jdbc:db2://' + dbHost + ':50000/orm_test',
                         'connection.init_sql' : ''
                 ],
                 db2_ci : [
@@ -261,23 +176,6 @@ ext {
                         'jdbc.url'   : 'jdbc:db2://' + dbHost + ':50000/orm_test',
                         'connection.init_sql' : ''
                 ],
-                db2_spatial_ci : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.db2.DB2SpatialDialect',
-                        'jdbc.driver': 'com.ibm.db2.jcc.DB2Driver',
-                        'jdbc.user'  : 'orm_test',
-                        'jdbc.pass'  : 'orm_test',
-                        'jdbc.url'   : 'jdbc:db2://' + dbHost + ':50000/orm_test',
-                        'connection.init_sql' : ''
-                ],
-                hana : [
-                        'db.dialect' : 'org.hibernate.dialect.HANAColumnStoreDialect',
-                        'jdbc.driver': 'com.sap.db.jdbc.Driver',
-                        'jdbc.user'  : 'HIBERNATE_TEST',
-                        'jdbc.pass'  : 'H1bernate_test',
-                        // Disable prepared statement caching due to https://help.sap.com/viewer/0eec0d68141541d1b07893a39944924e/2.0.04/en-US/78f2163887814223858e4369d18e2847.html
-                        'jdbc.url'   : 'jdbc:sap://' + dbHost + ':30015/?statementCacheSize=0',
-                        'connection.init_sql' : ''
-                ],
                 hana_cloud : [
                         'db.dialect' : 'org.hibernate.dialect.HANAColumnStoreDialect',
                         'jdbc.driver': 'com.sap.db.jdbc.Driver',
@@ -287,24 +185,6 @@ ext {
                         'jdbc.url'   : 'jdbc:sap://' + dbHost + ':443/?encrypt=true&validateCertificate=false&statementCacheSize=0',
                         'connection.init_sql' : ''
                 ],
-                hana_jenkins : [
-                        'db.dialect' : 'org.hibernate.dialect.HANAColumnStoreDialect',
-                        'jdbc.driver': 'com.sap.db.jdbc.Driver',
-                        'jdbc.user'  : 'HIBERNATE_TEST',
-                        'jdbc.pass'  : 'H1bernate_test',
-                        // Disable prepared statement caching due to https://help.sap.com/viewer/0eec0d68141541d1b07893a39944924e/2.0.04/en-US/78f2163887814223858e4369d18e2847.html
-                        'jdbc.url'   : 'jdbc:sap://' + dbHost + ':39015/?statementCacheSize=0',
-                        'connection.init_sql' : ''
-                ],
-                hana_docker : [
-                        'db.dialect' : 'org.hibernate.dialect.HANAColumnStoreDialect',
-                        'jdbc.driver': 'com.sap.db.jdbc.Driver',
-                        'jdbc.user'  : 'SYSTEM',
-                        'jdbc.pass'  : 'H1bernate_test',
-                        // Disable prepared statement caching due to https://help.sap.com/viewer/0eec0d68141541d1b07893a39944924e/2.0.04/en-US/78f2163887814223858e4369d18e2847.html
-                        'jdbc.url'   : 'jdbc:sap://' + dbHost + ':39017/?statementCacheSize=0',
-                        'connection.init_sql' : ''
-                ],
                 hana_ci : [
                         'db.dialect' : 'org.hibernate.dialect.HANAColumnStoreDialect',
                         'jdbc.driver': 'com.sap.db.jdbc.Driver',
@@ -314,15 +194,6 @@ ext {
                         'jdbc.url'   : 'jdbc:sap://' + dbHost + ':39017/?statementCacheSize=0',
                         'connection.init_sql' : ''
                 ],
-                hana_spatial_ci : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.hana.HANASpatialDialect',
-                        'jdbc.driver': 'com.sap.db.jdbc.Driver',
-                        'jdbc.user'  : 'SYSTEM',
-                        'jdbc.pass'  : 'H1bernate_test',
-                        // Disable prepared statement caching due to https://help.sap.com/viewer/0eec0d68141541d1b07893a39944924e/2.0.04/en-US/78f2163887814223858e4369d18e2847.html
-                        'jdbc.url'   : 'jdbc:sap://' + dbHost + ':39017/?statementCacheSize=0',
-                        'connection.init_sql' : ''
-                ],
                 cockroachdb : [
                         'db.dialect' : 'org.hibernate.dialect.CockroachDialect',
                         // CockroachDB uses the same pgwire protocol as PostgreSQL, so the driver is the same.
@@ -333,16 +204,6 @@ ext {
                         'jdbc.url'   : 'jdbc:postgresql://' + dbHost + ':26257/defaultdb?sslmode=disable&preparedStatementCacheQueries=0',
                         'connection.init_sql' : ''
                 ],
-                cockroachdb_spatial : [
-                        'db.dialect' : 'org.hibernate.spatial.dialect.cockroachdb.CockroachDB202SpatialDialect',
-                        // CockroachDB uses the same pgwire protocol as PostgreSQL, so the driver is the same.
-                        'jdbc.driver': 'org.postgresql.Driver',
-                        'jdbc.user'  : 'root',
-                        'jdbc.pass'  : '',
-                        // Disable prepared statement caching due to https://www.postgresql.org/message-id/CAEcMXhmmRd4-%2BNQbnjDT26XNdUoXdmntV9zdr8%3DTu8PL9aVCYg%40mail.gmail.com
-                        'jdbc.url'   : 'jdbc:postgresql://'+ dbHost +'localhost:26257/defaultdb?sslmode=disable&preparedStatementCacheQueries=0',
-                        'connection.init_sql' : ''
-                ],
                 firebird : [
                         'db.dialect' : 'org.hibernate.dialect.FirebirdDialect',
                         'jdbc.driver': 'org.firebirdsql.jdbc.FBDriver',
@@ -362,5 +223,9 @@ def processTestResourcesTask = project.tasks.findByName( 'processTestResources'
 if ( processTestResourcesTask != null ) {
         processTestResourcesTask.inputs.property( 'db', db )
         processTestResourcesTask.inputs.property( 'dbHost', dbHost )
+//        processTestResourcesTask.inputs.property( "gradle.libs.versions.h2", project.getProperty( "gradle.libs.versions.h2", "2.1.214" ) )
+//        processTestResourcesTask.inputs.property( "gradle.libs.versions.h2gis", project.getProperty( "gradle.libs.versions.h2gis", "2.1.0" ) )
+//        processTestResourcesTask.inputs.property( "gradle.libs.versions.hsqldb", project.getProperty( "gradle.libs.versions.hsqldb", "2.7.1" ) )
+//        processTestResourcesTask.inputs.property( "gradle.libs.versions.derby", project.getProperty( "gradle.libs.versions.derby", "10.15.2.0" ) )
         processTestResourcesTask.filter( ReplaceTokens, tokens: dbBundle[db] )
 }

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/DB2LegacyDialect.java

@@ -14,6 +14,7 @@ import java.sql.Types;
 
 import org.hibernate.LockOptions;
 import org.hibernate.boot.model.TypeContributions;
+import org.hibernate.dialect.DB2Dialect;
 import org.hibernate.dialect.DatabaseVersion;
 import org.hibernate.dialect.Dialect;
 import org.hibernate.dialect.OracleDialect;
@@ -21,6 +22,8 @@ import org.hibernate.dialect.function.CastingConcatFunction;
 import org.hibernate.dialect.function.CommonFunctionFactory;
 import org.hibernate.dialect.function.CountFunction;
 import org.hibernate.dialect.function.DB2FormatEmulation;
+import org.hibernate.dialect.function.DB2PositionFunction;
+import org.hibernate.dialect.function.DB2SubstringFunction;
 import org.hibernate.dialect.identity.DB2IdentityColumnSupport;
 import org.hibernate.dialect.identity.IdentityColumnSupport;
 import org.hibernate.dialect.pagination.DB2LimitHandler;
@@ -151,6 +154,11 @@ public class DB2LegacyDialect extends Dialect {
 		return 0;
 	}
 
+	@Override
+	public int getPreferredSqlTypeCodeForBoolean() {
+		return getDB2Version().isBefore( 11 ) ? Types.SMALLINT : Types.BOOLEAN;
+	}
+
 	@Override
 	protected String columnType(int sqlTypeCode) {
 		switch ( sqlTypeCode ) {
@@ -213,6 +221,11 @@ public class DB2LegacyDialect extends Dialect {
 		return 31;
 	}
 
+	@Override
+	protected boolean supportsPredicateAsExpression() {
+		return getDB2Version().isSameOrAfter( 11 );
+	}
+
 	@Override
 	public boolean supportsDistinctFromPredicate() {
 		return getDB2Version().isSameOrAfter( 11, 1 );
@@ -240,18 +253,14 @@ public class DB2LegacyDialect extends Dialect {
 				.setInvariantType(
 						queryEngine.getTypeConfiguration().getBasicTypeRegistry().resolve( StandardBasicTypes.STRING )
 				)
-				.setArgumentCountBetween( 2, 4 )
+				.setArgumentCountBetween( 2, 3 )
-				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER, FunctionParameterType.ANY)
+				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER)
-				.setArgumentListSignature( "(STRING string, INTEGER start[, INTEGER length[, units]])" )
+				.setArgumentListSignature( "(STRING string, INTEGER start[, INTEGER length])" )
-				.register();
-		queryEngine.getSqmFunctionRegistry().namedDescriptorBuilder( "substring" )
-				.setInvariantType(
-						queryEngine.getTypeConfiguration().getBasicTypeRegistry().resolve( StandardBasicTypes.STRING )
-				)
-				.setArgumentCountBetween( 2, 4 )
-				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER, FunctionParameterType.ANY)
-				.setArgumentListSignature( "(STRING string{ INTEGER from|,} start[{ INTEGER for|,} length[, units]])" )
 				.register();
+		queryEngine.getSqmFunctionRegistry().register(
+				"substring",
+				new DB2SubstringFunction( queryEngine.getTypeConfiguration() )
+		);
 		functionFactory.translate();
 		functionFactory.bitand();
 		functionFactory.bitor();
@@ -269,18 +278,38 @@ public class DB2LegacyDialect extends Dialect {
 		functionFactory.octetLength();
 		functionFactory.ascii();
 		functionFactory.char_chr();
-		functionFactory.position();
 		functionFactory.trunc();
 		functionFactory.truncate();
 		functionFactory.insert();
-		functionFactory.overlayCharacterLength_overlay();
-		functionFactory.median();
 		functionFactory.stddev();
-		functionFactory.stddevPopSamp();
-		functionFactory.varPopSamp();
 		functionFactory.regrLinearRegressionAggregates();
 		functionFactory.variance();
+		functionFactory.hypotheticalOrderedSetAggregates_windowEmulation();
+		if ( getDB2Version().isSameOrAfter( 11 ) ) {
+			functionFactory.position();
+			functionFactory.overlayLength_overlay( false );
+			functionFactory.median();
+			functionFactory.inverseDistributionOrderedSetAggregates();
+			functionFactory.stddevPopSamp();
+			functionFactory.varPopSamp();
 			functionFactory.varianceSamp();
+		}
+		else {
+			// Before version 11, the position function required the use of the code units
+			queryEngine.getSqmFunctionRegistry().register(
+					"position",
+					new DB2PositionFunction( queryEngine.getTypeConfiguration() )
+			);
+			// Before version 11, the overlay function required the use of the code units
+			functionFactory.overlayLength_overlay( true );
+			// ordered set aggregate functions are only available as of version 11, and we can't reasonably emulate them
+			// so no percent_rank, cume_dist, median, mode, percentile_cont or percentile_disc
+			queryEngine.getSqmFunctionRegistry().registerAlternateKey( "stddev_pop", "stddev" );
+			functionFactory.stddevSamp_sumCount();
+			queryEngine.getSqmFunctionRegistry().registerAlternateKey( "var_pop", "variance" );
+			functionFactory.varSamp_sumCount();
+		}
+
 		functionFactory.addYearsMonthsDaysHoursMinutesSeconds();
 		functionFactory.yearsMonthsDaysHoursMinutesSecondsBetween();
 		functionFactory.dateTrunc();
@@ -335,10 +364,6 @@ public class DB2LegacyDialect extends Dialect {
 		functionFactory.windowFunctions();
 		if ( getDB2Version().isSameOrAfter( 9, 5 ) ) {
 			functionFactory.listagg( null );
-			if ( getDB2Version().isSameOrAfter( 11, 1 ) ) {
-				functionFactory.inverseDistributionOrderedSetAggregates();
-				functionFactory.hypotheticalOrderedSetAggregates_windowEmulation();
-			}
 		}
 	}
 
@@ -362,50 +387,53 @@ public class DB2LegacyDialect extends Dialect {
 
 	@Override
 	public String timestampdiffPattern(TemporalUnit unit, TemporalType fromTemporalType, TemporalType toTemporalType) {
+		if ( getDB2Version().isBefore( 11 ) ) {
+			return DB2Dialect.timestampdiffPatternV10( unit, fromTemporalType, toTemporalType );
+		}
 		StringBuilder pattern = new StringBuilder();
 		boolean castFrom = fromTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
 		boolean castTo = toTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
-		switch (unit) {
+		switch ( unit ) {
 			case NATIVE:
 			case NANOSECOND:
-				pattern.append("(seconds_between(");
+				pattern.append( "(seconds_between(" );
 				break;
 			//note: DB2 does have weeks_between()
 			case MONTH:
 			case QUARTER:
 				// the months_between() function results
 				// in a non-integral value, so trunc() it
-				pattern.append("trunc(months_between(");
+				pattern.append( "trunc(months_between(" );
 				break;
 			default:
-				pattern.append("?1s_between(");
+				pattern.append( "?1s_between(" );
 		}
-		if (castTo) {
+		if ( castTo ) {
-			pattern.append("cast(?3 as timestamp)");
+			pattern.append( "cast(?3 as timestamp)" );
 		}
 		else {
-			pattern.append("?3");
+			pattern.append( "?3" );
 		}
-		pattern.append(",");
+		pattern.append( "," );
-		if (castFrom) {
+		if ( castFrom ) {
-			pattern.append("cast(?2 as timestamp)");
+			pattern.append( "cast(?2 as timestamp)" );
 		}
 		else {
-			pattern.append("?2");
+			pattern.append( "?2" );
 		}
-		pattern.append(")");
+		pattern.append( ")" );
-		switch (unit) {
+		switch ( unit ) {
 			case NATIVE:
-				pattern.append("+(microsecond(?3)-microsecond(?2))/1e6)");
+				pattern.append( "+(microsecond(?3)-microsecond(?2))/1e6)" );
 				break;
 			case NANOSECOND:
-				pattern.append("*1e9+(microsecond(?3)-microsecond(?2))*1e3)");
+				pattern.append( "*1e9+(microsecond(?3)-microsecond(?2))*1e3)" );
 				break;
 			case MONTH:
-				pattern.append(")");
+				pattern.append( ")" );
 				break;
 			case QUARTER:
-				pattern.append("/3)");
+				pattern.append( "/3)" );
 				break;
 		}
 		return pattern.toString();
@@ -692,7 +720,13 @@ public class DB2LegacyDialect extends Dialect {
 
 	@Override
 	public void appendBinaryLiteral(SqlAppender appender, byte[] bytes) {
+		if ( getDB2Version().isSameOrAfter( 11 ) ) {
 			appender.appendSql( "BX'" );
+		}
+		else {
+			// This should be fine on DB2 prior to 10
+			appender.appendSql( "X'" );
+		}
 		PrimitiveByteArrayJavaType.INSTANCE.appendString( appender, bytes );
 		appender.appendSql( '\'' );
 	}
@@ -811,14 +845,19 @@ public class DB2LegacyDialect extends Dialect {
 
 	@Override
 	public String extractPattern(TemporalUnit unit) {
-		if ( unit == TemporalUnit.WEEK ) {
+		switch ( unit ) {
+			case WEEK:
 				// Not sure why, but `extract(week from '2019-05-27')` wrongly returns 21 and week_iso behaves correct
 				return "week_iso(?2)";
+			case DAY_OF_YEAR:
+				return "dayofyear(?2)";
+			case DAY_OF_WEEK:
+				return "dayofweek(?2)";
+			case QUARTER:
+				return "quarter(?2)";
 		}
-		else {
 		return super.extractPattern( unit );
 	}
-	}
 
 	@Override
 	public int getInExpressionCountLimit() {

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/DB2LegacySqlAstTranslator.java

@@ -30,11 +30,13 @@ import org.hibernate.sql.ast.tree.expression.Summarization;
 import org.hibernate.sql.ast.tree.from.TableGroup;
 import org.hibernate.sql.ast.tree.from.TableGroupJoin;
 import org.hibernate.sql.ast.tree.from.TableReferenceJoin;
+import org.hibernate.sql.ast.tree.from.QueryPartTableReference;
 import org.hibernate.sql.ast.tree.insert.InsertStatement;
 import org.hibernate.sql.ast.tree.predicate.BooleanExpressionPredicate;
 import org.hibernate.sql.ast.tree.select.QueryGroup;
 import org.hibernate.sql.ast.tree.select.QueryPart;
 import org.hibernate.sql.ast.tree.select.QuerySpec;
+import org.hibernate.sql.ast.tree.select.SelectStatement;
 import org.hibernate.sql.ast.tree.update.UpdateStatement;
 import org.hibernate.sql.exec.spi.JdbcOperation;
 
@@ -45,6 +47,9 @@ import org.hibernate.sql.exec.spi.JdbcOperation;
  */
 public class DB2LegacySqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAstTranslator<T> {
 
+	// We have to track whether we are in a later query for applying lateral during window emulation
+	private boolean inLateral;
+
 	public DB2LegacySqlAstTranslator(SessionFactoryImplementor sessionFactory, Statement statement) {
 		super( sessionFactory, statement );
 	}
@@ -203,24 +208,60 @@ public class DB2LegacySqlAstTranslator<T extends JdbcOperation> extends Abstract
 	}
 
 	protected boolean shouldEmulateFetchClause(QueryPart queryPart) {
-		// Percent fetches or ties fetches aren't supported in DB2
-		// According to LegacyDB2LimitHandler, variable limit also isn't supported before 11.1
 		// Check if current query part is already row numbering to avoid infinite recursion
-		return getQueryPartForRowNumbering() != queryPart && (
+		if ( getQueryPartForRowNumbering() == queryPart ) {
-				useOffsetFetchClause( queryPart ) && !isRowsOnlyFetchClauseType( queryPart )
+			return false;
-						|| getDB2Version().isBefore( 11, 1 ) && ( queryPart.isRoot() && hasLimit() || !( queryPart.getFetchClauseExpression() instanceof Literal ) )
+		}
-		);
+		// Percent fetches or ties fetches aren't supported in DB2
+		if ( useOffsetFetchClause( queryPart ) && !isRowsOnlyFetchClauseType( queryPart ) ) {
+			return true;
+		}
+		// According to LegacyDB2LimitHandler, variable limit also isn't supported before 11.1
+		return getDB2Version().isBefore( 11, 1 )
+				&& queryPart.getFetchClauseExpression() != null
+				&& !( queryPart.getFetchClauseExpression() instanceof Literal );
 	}
 
 	protected boolean supportsOffsetClause() {
 		return getDB2Version().isSameOrAfter( 11, 1 );
 	}
 
+	@Override
+	public void visitQueryPartTableReference(QueryPartTableReference tableReference) {
+		final boolean oldLateral = inLateral;
+		inLateral = tableReference.isLateral();
+		super.visitQueryPartTableReference( tableReference );
+		inLateral = oldLateral;
+	}
+
+	@Override
+	public void visitSelectStatement(SelectStatement statement) {
+		if ( getQueryPartForRowNumbering() == statement.getQueryPart() && inLateral ) {
+			appendSql( "lateral " );
+		}
+		super.visitSelectStatement( statement );
+	}
+
+	@Override
+	protected void emulateFetchOffsetWithWindowFunctionsVisitQueryPart(QueryPart queryPart) {
+		if ( inLateral ) {
+			appendSql( "lateral " );
+			final boolean oldLateral = inLateral;
+			inLateral = false;
+			super.emulateFetchOffsetWithWindowFunctionsVisitQueryPart( queryPart );
+			inLateral = oldLateral;
+		}
+		else {
+			super.emulateFetchOffsetWithWindowFunctionsVisitQueryPart( queryPart );
+		}
+	}
+
 	@Override
 	public void visitQueryGroup(QueryGroup queryGroup) {
 		final boolean emulateFetchClause = shouldEmulateFetchClause( queryGroup );
-		if ( emulateFetchClause || !supportsOffsetClause() && hasOffset( queryGroup ) ) {
+		if ( emulateFetchClause ||
-			emulateFetchOffsetWithWindowFunctions( queryGroup, emulateFetchClause );
+				getQueryPartForRowNumbering() != queryGroup && !supportsOffsetClause() && hasOffset( queryGroup ) ) {
+			emulateFetchOffsetWithWindowFunctions( queryGroup, true );
 		}
 		else {
 			super.visitQueryGroup( queryGroup );
@@ -230,8 +271,9 @@ public class DB2LegacySqlAstTranslator<T extends JdbcOperation> extends Abstract
 	@Override
 	public void visitQuerySpec(QuerySpec querySpec) {
 		final boolean emulateFetchClause = shouldEmulateFetchClause( querySpec );
-		if ( emulateFetchClause || !supportsOffsetClause() && hasOffset( querySpec ) ) {
+		if ( emulateFetchClause ||
-			emulateFetchOffsetWithWindowFunctions( querySpec, emulateFetchClause );
+				getQueryPartForRowNumbering() != querySpec && !supportsOffsetClause() && hasOffset( querySpec ) ) {
+			emulateFetchOffsetWithWindowFunctions( querySpec, true );
 		}
 		else {
 			super.visitQuerySpec( querySpec );
@@ -253,6 +295,26 @@ public class DB2LegacySqlAstTranslator<T extends JdbcOperation> extends Abstract
 		}
 	}
 
+	@Override
+	protected void renderOffsetExpression(Expression offsetExpression) {
+		if ( supportsParameterOffsetFetchExpression() ) {
+			super.renderOffsetExpression( offsetExpression );
+		}
+		else {
+			renderExpressionAsLiteral( offsetExpression, getJdbcParameterBindings() );
+		}
+	}
+
+	@Override
+	protected void renderFetchExpression(Expression fetchExpression) {
+		if ( supportsParameterOffsetFetchExpression() ) {
+			super.renderFetchExpression( fetchExpression );
+		}
+		else {
+			renderExpressionAsLiteral( fetchExpression, getJdbcParameterBindings() );
+		}
+	}
+
 	@Override
 	protected void visitDeleteStatementOnly(DeleteStatement statement) {
 		final boolean closeWrapper = renderReturningClause( statement );
@@ -376,4 +438,8 @@ public class DB2LegacySqlAstTranslator<T extends JdbcOperation> extends Abstract
 		return this.getDialect().getVersion();
 	}
 
+	protected boolean supportsParameterOffsetFetchExpression() {
+		return getDB2Version().isSameOrAfter( 11 );
+	}
+
 }

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/H2LegacyDialect.java

@@ -287,6 +287,7 @@ public class H2LegacyDialect extends Dialect {
 		functionFactory.radians();
 		functionFactory.degrees();
 		functionFactory.log10();
+		functionFactory.mod_operator();
 		functionFactory.rand();
 		functionFactory.truncate();
 		functionFactory.soundex();

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/H2LegacySqlAstTranslator.java

@@ -230,6 +230,12 @@ public class H2LegacySqlAstTranslator<T extends JdbcOperation> extends AbstractS
 		return getDialect().getVersion().isSameOrAfter( 1, 4, 197 );
 	}
 
+	@Override
+	protected boolean supportsRowValueConstructorDistinctFromSyntax() {
+		// Seems that before, this was buggy
+		return getDialect().getVersion().isSameOrAfter( 1, 4, 200 );
+	}
+
 	@Override
 	protected boolean supportsNullPrecedence() {
 		// Support for nulls clause in listagg was added in 2.0

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/MariaDBLegacySqlAstTranslator.java

@@ -85,6 +85,25 @@ public class MariaDBLegacySqlAstTranslator<T extends JdbcOperation> extends Abst
 		return useOffsetFetchClause( queryPart ) && getQueryPartForRowNumbering() != queryPart && supportsWindowFunctions() && !isRowsOnlyFetchClauseType( queryPart );
 	}
 
+	@Override
+	protected boolean supportsSimpleQueryGrouping() {
+		return getDialect().getVersion().isSameOrAfter( 10, 4 );
+	}
+
+	@Override
+	protected boolean shouldEmulateLateralWithIntersect(QueryPart queryPart) {
+		// Intersect emulation requires nested correlation when no simple query grouping is possible
+		// and the query has an offset/fetch clause, so we have to disable the emulation in this case,
+		// because nested correlation is not supported though
+		return supportsSimpleQueryGrouping() || !queryPart.hasOffsetOrFetchClause();
+	}
+
+	@Override
+	protected boolean supportsNestedSubqueryCorrelation() {
+		// It seems it doesn't support it
+		return false;
+	}
+
 	@Override
 	public void visitQueryGroup(QueryGroup queryGroup) {
 		if ( shouldEmulateFetchClause( queryGroup ) ) {

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/MySQLLegacySqlAstTranslator.java

@@ -170,6 +170,16 @@ public class MySQLLegacySqlAstTranslator<T extends JdbcOperation> extends Abstra
 		return getDialect().getVersion().isSameOrAfter( 8 );
 	}
 
+	@Override
+	protected boolean supportsSimpleQueryGrouping() {
+		return getDialect().getVersion().isSameOrAfter( 8 );
+	}
+
+	@Override
+	protected boolean supportsNestedSubqueryCorrelation() {
+		return false;
+	}
+
 	@Override
 	protected String getFromDual() {
 		return " from dual";

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/OracleLegacySqlAstTranslator.java

@@ -200,22 +200,8 @@ public class OracleLegacySqlAstTranslator<T extends JdbcOperation> extends Abstr
 					querySpec,
 					true, // we need select aliases to avoid ORA-00918: column ambiguously defined
 					() -> {
-						final QueryPart currentQueryPart = getQueryPartStack().getCurrent();
+						appendSql( "select * from " );
-						final boolean needsWrapper;
+						emulateFetchOffsetWithWindowFunctionsVisitQueryPart( querySpec );
-						if ( currentQueryPart instanceof QueryGroup ) {
-							// visitQuerySpec will add the select wrapper
-							needsWrapper = !currentQueryPart.hasOffsetOrFetchClause();
-						}
-						else {
-							needsWrapper = true;
-						}
-						if ( needsWrapper ) {
-							appendSql( "select * from (" );
-						}
-						super.visitQuerySpec( querySpec );
-						if ( needsWrapper ) {
-							appendSql( ')' );
-						}
 						appendSql( " where rownum<=" );
 						final Stack<Clause> clauseStack = getClauseStack();
 						clauseStack.push( Clause.WHERE );
@@ -499,21 +485,4 @@ public class OracleLegacySqlAstTranslator<T extends JdbcOperation> extends Abstr
 		return getDialect().supportsFetchClause( FetchClauseType.ROWS_ONLY );
 	}
 
-	@Override
-	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
-		final BinaryArithmeticOperator operator = arithmeticExpression.getOperator();
-		if ( operator == BinaryArithmeticOperator.MODULO ) {
-			append( "mod" );
-			appendSql( OPEN_PARENTHESIS );
-			arithmeticExpression.getLeftHandOperand().accept( this );
-			appendSql( ',' );
-			arithmeticExpression.getRightHandOperand().accept( this );
-			appendSql( CLOSE_PARENTHESIS );
-			return;
-		}
-		else {
-			super.visitBinaryArithmeticExpression( arithmeticExpression );
-		}
-	}
-
 }

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/PostgreSQLLegacyDialect.java

@@ -524,7 +524,8 @@ public class PostgreSQLLegacyDialect extends Dialect {
 		functionFactory.degrees();
 		functionFactory.trunc();
 		functionFactory.log();
-		if ( getVersion().isSameOrAfter(12) ) {
+		functionFactory.mod_operator();
+		if ( getVersion().isSameOrAfter( 12 ) ) {
 			functionFactory.log10();
 			functionFactory.tanh();
 			functionFactory.sinh();

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/PostgreSQLLegacySqlAstTranslator.java

@@ -12,6 +12,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteMaterialization;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
 import org.hibernate.sql.ast.tree.expression.Literal;
 import org.hibernate.sql.ast.tree.expression.Summarization;
@@ -212,4 +213,13 @@ public class PostgreSQLLegacySqlAstTranslator<T extends JdbcOperation> extends A
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 }

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java

@@ -44,6 +44,7 @@ import org.hibernate.query.sqm.FetchClauseType;
 import org.hibernate.query.sqm.IntervalType;
 import org.hibernate.query.sqm.TemporalUnit;
 import org.hibernate.query.spi.QueryEngine;
+import org.hibernate.query.sqm.TrimSpec;
 import org.hibernate.service.ServiceRegistry;
 import org.hibernate.sql.ast.SqlAstNodeRenderingMode;
 import org.hibernate.sql.ast.SqlAstTranslator;
@@ -309,6 +310,31 @@ public class SQLServerLegacyDialect extends AbstractTransactSQLDialect {
 		if ( getVersion().isSameOrAfter( 14 ) ) {
 			functionFactory.listagg_stringAggWithinGroup( "varchar(max)" );
 		}
+		if ( getVersion().isSameOrAfter( 16 ) ) {
+			functionFactory.leastGreatest();
+		}
+	}
+
+	@Override
+	public String trimPattern(TrimSpec specification, char character) {
+		if ( getVersion().isSameOrAfter( 16 ) ) {
+			switch ( specification ) {
+				case BOTH:
+					return character == ' '
+							? "trim(?1)"
+							: "trim('" + character + "' from ?1)";
+				case LEADING:
+					return character == ' '
+							? "ltrim(?1)"
+							: "ltrim(?1,'" + character + "')";
+				case TRAILING:
+					return character == ' '
+							? "rtrim(?1)"
+							: "rtrim(?1,'" + character + "')";
+			}
+			throw new UnsupportedOperationException( "Unsupported specification: " + specification );
+		}
+		return super.trimPattern( specification, character );
 	}
 
 	@Override
@@ -397,6 +423,11 @@ public class SQLServerLegacyDialect extends AbstractTransactSQLDialect {
 		return getVersion().isSameOrAfter( 10 );
 	}
 
+	@Override
+	public boolean supportsDistinctFromPredicate() {
+		return getVersion().isSameOrAfter( 16 );
+	}
+
 	@Override
 	public char closeQuote() {
 		return ']';
@@ -902,7 +933,7 @@ public class SQLServerLegacyDialect extends AbstractTransactSQLDialect {
 
 	@Override
 	public String[] getDropSchemaCommand(String schemaName) {
-		if ( getVersion().isSameOrAfter( 16 ) ) {
+		if ( getVersion().isSameOrAfter( 13 ) ) {
 			return new String[] { "drop schema if exists " + schemaName };
 		}
 		return super.getDropSchemaCommand( schemaName );

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacySqlAstTranslator.java

@@ -20,6 +20,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
 import org.hibernate.sql.ast.tree.expression.Literal;
 import org.hibernate.sql.ast.tree.expression.SqlTuple;
@@ -420,6 +421,15 @@ public class SQLServerLegacySqlAstTranslator<T extends JdbcOperation> extends Ab
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	protected boolean supportsRowValueConstructorSyntax() {
 		return false;

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseASELegacySqlAstTranslator.java

@@ -18,6 +18,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.ColumnReference;
@@ -325,6 +326,15 @@ public class SybaseASELegacySqlAstTranslator<T extends JdbcOperation> extends Ab
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	public void visitColumnReference(ColumnReference columnReference) {
 		final String dmlTargetTableAlias = getDmlTargetTableAlias();

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseAnywhereSqlAstTranslator.java

@@ -17,6 +17,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
@@ -186,6 +187,15 @@ public class SybaseAnywhereSqlAstTranslator<T extends JdbcOperation> extends Abs
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	protected boolean supportsRowValueConstructorSyntax() {
 		return false;

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SybaseLegacySqlAstTranslator.java

@@ -17,6 +17,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
@@ -148,6 +149,15 @@ public class SybaseLegacySqlAstTranslator<T extends JdbcOperation> extends Abstr
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	protected boolean supportsRowValueConstructorSyntax() {
 		return false;

hibernate-core/src/main/java/org/hibernate/boot/model/process/spi/MetadataBuildingProcess.java

@@ -379,11 +379,15 @@ public class MetadataBuildingProcess {
 		final ClassLoaderService classLoaderService = options.getServiceRegistry().getService( ClassLoaderService.class );
 
 		final TypeConfiguration typeConfiguration = bootstrapContext.getTypeConfiguration();
+		final JdbcTypeRegistry jdbcTypeRegistry = typeConfiguration.getJdbcTypeRegistry();
 		final TypeContributions typeContributions = () -> typeConfiguration;
 
 		// add Dialect contributed types
 		final Dialect dialect = options.getServiceRegistry().getService( JdbcServices.class ).getDialect();
 		dialect.contributeTypes( typeContributions, options.getServiceRegistry() );
+		final JdbcType dialectUuidDescriptor = jdbcTypeRegistry.findDescriptor( SqlTypes.UUID );
+		final JdbcType dialectArrayDescriptor = jdbcTypeRegistry.findDescriptor( SqlTypes.ARRAY );
+		final JdbcType dialectIntervalDescriptor = jdbcTypeRegistry.findDescriptor( SqlTypes.INTERVAL_SECOND );
 
 		// add TypeContributor contributed types.
 		for ( TypeContributor contributor : classLoaderService.loadJavaServices( TypeContributor.class ) ) {
@@ -391,10 +395,14 @@ public class MetadataBuildingProcess {
 		}
 
 		// add fallback type descriptors
-		final JdbcTypeRegistry jdbcTypeRegistry = typeConfiguration.getJdbcTypeRegistry();
 		final int preferredSqlTypeCodeForUuid = ConfigurationHelper.getPreferredSqlTypeCodeForUuid( bootstrapContext.getServiceRegistry() );
 		if ( preferredSqlTypeCodeForUuid != SqlTypes.UUID ) {
-			jdbcTypeRegistry.addDescriptor( SqlTypes.UUID, jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForUuid ) );
+			if ( jdbcTypeRegistry.findDescriptor( SqlTypes.UUID ) == dialectUuidDescriptor ) {
+				jdbcTypeRegistry.addDescriptor(
+						SqlTypes.UUID,
+						jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForUuid )
+				);
+			}
 		}
 		else {
 			addFallbackIfNecessary( jdbcTypeRegistry, SqlTypes.UUID, SqlTypes.BINARY );
@@ -404,7 +412,12 @@ public class MetadataBuildingProcess {
 
 		final int preferredSqlTypeCodeForArray = ConfigurationHelper.getPreferredSqlTypeCodeForArray( bootstrapContext.getServiceRegistry() );
 		if ( preferredSqlTypeCodeForArray != SqlTypes.ARRAY ) {
-			jdbcTypeRegistry.addDescriptor( SqlTypes.ARRAY, jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForArray ) );
+			if ( jdbcTypeRegistry.findDescriptor( SqlTypes.ARRAY ) == dialectArrayDescriptor ) {
+				jdbcTypeRegistry.addDescriptor(
+						SqlTypes.ARRAY,
+						jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForArray )
+				);
+			}
 		}
 		else if ( jdbcTypeRegistry.findDescriptor( SqlTypes.ARRAY ) == null ) {
 			// Fallback to VARBINARY
@@ -413,7 +426,12 @@ public class MetadataBuildingProcess {
 		addFallbackIfNecessary( jdbcTypeRegistry, SqlTypes.INET, SqlTypes.VARBINARY );
 		final int preferredSqlTypeCodeForDuration = ConfigurationHelper.getPreferredSqlTypeCodeForDuration( bootstrapContext.getServiceRegistry() );
 		if ( preferredSqlTypeCodeForDuration != SqlTypes.INTERVAL_SECOND ) {
-			jdbcTypeRegistry.addDescriptor( SqlTypes.INTERVAL_SECOND, jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForDuration ) );
+			if ( jdbcTypeRegistry.findDescriptor( SqlTypes.INTERVAL_SECOND ) == dialectIntervalDescriptor ) {
+				jdbcTypeRegistry.addDescriptor(
+						SqlTypes.INTERVAL_SECOND,
+						jdbcTypeRegistry.getDescriptor( preferredSqlTypeCodeForDuration )
+				);
+			}
 		}
 		else {
 			addFallbackIfNecessary( jdbcTypeRegistry, SqlTypes.INTERVAL_SECOND, SqlTypes.NUMERIC );

hibernate-core/src/main/java/org/hibernate/dialect/DB2Dialect.java

@@ -12,6 +12,8 @@ import org.hibernate.dialect.function.CastingConcatFunction;
 import org.hibernate.dialect.function.CommonFunctionFactory;
 import org.hibernate.dialect.function.CountFunction;
 import org.hibernate.dialect.function.DB2FormatEmulation;
+import org.hibernate.dialect.function.DB2PositionFunction;
+import org.hibernate.dialect.function.DB2SubstringFunction;
 import org.hibernate.dialect.identity.DB2IdentityColumnSupport;
 import org.hibernate.dialect.identity.IdentityColumnSupport;
 import org.hibernate.dialect.pagination.DB2LimitHandler;
@@ -193,6 +195,11 @@ public class DB2Dialect extends Dialect {
 		return 31;
 	}
 
+	@Override
+	protected boolean supportsPredicateAsExpression() {
+		return getDB2Version().isSameOrAfter( 11 );
+	}
+
 	@Override
 	public boolean supportsDistinctFromPredicate() {
 		return getDB2Version().isSameOrAfter( 11, 1 );
@@ -222,18 +229,14 @@ public class DB2Dialect extends Dialect {
 				.setInvariantType(
 						queryEngine.getTypeConfiguration().getBasicTypeRegistry().resolve( StandardBasicTypes.STRING )
 				)
-				.setArgumentCountBetween( 2, 4 )
+				.setArgumentCountBetween( 2, 3 )
-				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER, FunctionParameterType.ANY)
+				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER)
-				.setArgumentListSignature( "(STRING string, INTEGER start[, INTEGER length[, units]])" )
+				.setArgumentListSignature( "(STRING string, INTEGER start[, INTEGER length])" )
-				.register();
-		queryEngine.getSqmFunctionRegistry().namedDescriptorBuilder( "substring" )
-				.setInvariantType(
-						queryEngine.getTypeConfiguration().getBasicTypeRegistry().resolve( StandardBasicTypes.STRING )
-				)
-				.setArgumentCountBetween( 2, 4 )
-				.setParameterTypes(FunctionParameterType.STRING, FunctionParameterType.INTEGER, FunctionParameterType.INTEGER, FunctionParameterType.ANY)
-				.setArgumentListSignature( "(STRING string{ INTEGER from|,} start[{ INTEGER for|,} length[, units]])" )
 				.register();
+		queryEngine.getSqmFunctionRegistry().register(
+				"substring",
+				new DB2SubstringFunction( queryEngine.getTypeConfiguration() )
+		);
 		functionFactory.translate();
 		functionFactory.bitand();
 		functionFactory.bitor();
@@ -251,18 +254,39 @@ public class DB2Dialect extends Dialect {
 		functionFactory.octetLength();
 		functionFactory.ascii();
 		functionFactory.char_chr();
-		functionFactory.position();
 		functionFactory.trunc();
 		functionFactory.truncate();
 		functionFactory.insert();
-		functionFactory.overlayCharacterLength_overlay();
+		functionFactory.characterLength_length( SqlAstNodeRenderingMode.DEFAULT );
-		functionFactory.median();
 		functionFactory.stddev();
-		functionFactory.stddevPopSamp();
-		functionFactory.varPopSamp();
 		functionFactory.regrLinearRegressionAggregates();
 		functionFactory.variance();
+		functionFactory.hypotheticalOrderedSetAggregates_windowEmulation();
+		if ( getDB2Version().isSameOrAfter( 11 ) ) {
+			functionFactory.position();
+			functionFactory.overlayLength_overlay( false );
+			functionFactory.median();
+			functionFactory.inverseDistributionOrderedSetAggregates();
+			functionFactory.stddevPopSamp();
+			functionFactory.varPopSamp();
 			functionFactory.varianceSamp();
+		}
+		else {
+			// Before version 11, the position function required the use of the code units
+			queryEngine.getSqmFunctionRegistry().register(
+					"position",
+					new DB2PositionFunction( queryEngine.getTypeConfiguration() )
+			);
+			// Before version 11, the overlay function required the use of the code units
+			functionFactory.overlayLength_overlay( true );
+			// ordered set aggregate functions are only available as of version 11, and we can't reasonably emulate them
+			// so no percent_rank, cume_dist, median, mode, percentile_cont or percentile_disc
+			queryEngine.getSqmFunctionRegistry().registerAlternateKey( "stddev_pop", "stddev" );
+			functionFactory.stddevSamp_sumCount();
+			queryEngine.getSqmFunctionRegistry().registerAlternateKey( "var_pop", "variance" );
+			functionFactory.varSamp_sumCount();
+		}
+
 		functionFactory.addYearsMonthsDaysHoursMinutesSeconds();
 		functionFactory.yearsMonthsDaysHoursMinutesSecondsBetween();
 		functionFactory.dateTrunc();
@@ -316,10 +340,6 @@ public class DB2Dialect extends Dialect {
 
 		functionFactory.windowFunctions();
 		functionFactory.listagg( null );
-		if ( getDB2Version().isSameOrAfter( 11, 1 ) ) {
-			functionFactory.inverseDistributionOrderedSetAggregates();
-			functionFactory.hypotheticalOrderedSetAggregates_windowEmulation();
-		}
 	}
 
 	@Override
@@ -342,55 +362,96 @@ public class DB2Dialect extends Dialect {
 
 	@Override
 	public String timestampdiffPattern(TemporalUnit unit, TemporalType fromTemporalType, TemporalType toTemporalType) {
+		if ( getDB2Version().isBefore( 11 ) ) {
+			return timestampdiffPatternV10( unit, fromTemporalType, toTemporalType );
+		}
 		StringBuilder pattern = new StringBuilder();
 		boolean castFrom = fromTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
 		boolean castTo = toTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
-		switch (unit) {
+		switch ( unit ) {
 			case NATIVE:
 			case NANOSECOND:
-				pattern.append("(seconds_between(");
+				pattern.append( "(seconds_between(" );
 				break;
 			//note: DB2 does have weeks_between()
 			case MONTH:
 			case QUARTER:
 				// the months_between() function results
 				// in a non-integral value, so trunc() it
-				pattern.append("trunc(months_between(");
+				pattern.append( "trunc(months_between(" );
 				break;
 			default:
-				pattern.append("?1s_between(");
+				pattern.append( "?1s_between(" );
 		}
-		if (castTo) {
+		if ( castTo ) {
-			pattern.append("cast(?3 as timestamp)");
+			pattern.append( "cast(?3 as timestamp)" );
 		}
 		else {
-			pattern.append("?3");
+			pattern.append( "?3" );
 		}
-		pattern.append(",");
+		pattern.append( ',' );
-		if (castFrom) {
+		if ( castFrom ) {
-			pattern.append("cast(?2 as timestamp)");
+			pattern.append( "cast(?2 as timestamp)" );
 		}
 		else {
-			pattern.append("?2");
+			pattern.append( "?2" );
 		}
-		pattern.append(")");
+		pattern.append( ')' );
-		switch (unit) {
+		switch ( unit ) {
 			case NATIVE:
-				pattern.append("+(microsecond(?3)-microsecond(?2))/1e6)");
+				pattern.append( "+(microsecond(?3)-microsecond(?2))/1e6)" );
 				break;
 			case NANOSECOND:
-				pattern.append("*1e9+(microsecond(?3)-microsecond(?2))*1e3)");
+				pattern.append( "*1e9+(microsecond(?3)-microsecond(?2))*1e3)" );
 				break;
 			case MONTH:
-				pattern.append(")");
+				pattern.append( ')' );
 				break;
 			case QUARTER:
-				pattern.append("/3)");
+				pattern.append( "/3)" );
 				break;
 		}
 		return pattern.toString();
 	}
 
+	public static String timestampdiffPatternV10(TemporalUnit unit, TemporalType fromTemporalType, TemporalType toTemporalType) {
+		final boolean castFrom = fromTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
+		final boolean castTo = toTemporalType != TemporalType.TIMESTAMP && !unit.isDateUnit();
+		final String fromExpression = castFrom ? "cast(?2 as timestamp)" : "?2";
+		final String toExpression = castTo ? "cast(?3 as timestamp)" : "?3";
+		switch ( unit ) {
+			case NATIVE:
+				return "(select (days(t2)-days(t1))*86400+(midnight_seconds(t2)-midnight_seconds(t1))+(microsecond(t2)-microsecond(t1))/1e6 " +
+						"from lateral(values(" + fromExpression + ',' + toExpression + ")) as temp(t1,t2))";
+			case NANOSECOND:
+				return "(select (days(t2)-days(t1))*86400+(midnight_seconds(t2)-midnight_seconds(t1))*1e9+(microsecond(t2)-microsecond(t1))*1e3 " +
+						"from lateral(values(" + fromExpression + ',' + toExpression + ")) as temp(t1,t2))";
+			case SECOND:
+				return "(select (days(t2)-days(t1))*86400+(midnight_seconds(t2)-midnight_seconds(t1)) " +
+						"from lateral(values(" + fromExpression + ',' + toExpression + ")) as temp(t1,t2))";
+			case MINUTE:
+				return "(select (days(t2)-days(t1))*1440+(midnight_seconds(t2)-midnight_seconds(t1))/60 from " +
+						"lateral(values(" + fromExpression + ',' + toExpression + ")) as temp(t1,t2))";
+			case HOUR:
+				return "(select (days(t2)-days(t1))*24+(midnight_seconds(t2)-midnight_seconds(t1))/3600 " +
+						"from lateral(values(" + fromExpression + ',' + toExpression + ")) as temp(t1,t2))";
+			case YEAR:
+				return "(year(" + toExpression + ")-year(" + fromExpression + "))";
+			// the months_between() function results
+			// in a non-integral value, so trunc() it
+			case MONTH:
+				return "trunc(months_between(" + toExpression + ',' + fromExpression + "))";
+			case QUARTER:
+				return "trunc(months_between(" + toExpression + ',' + fromExpression + ")/3)";
+			case WEEK:
+				return "int((days" + toExpression + ")-days(" + fromExpression + "))/7)";
+			case DAY:
+				return "(days(" + toExpression + ")-days(" + fromExpression + "))";
+			default:
+				throw new UnsupportedOperationException( "Unsupported unit: " + unit );
+		}
+	}
+
 	@Override
 	public String timestampaddPattern(TemporalUnit unit, TemporalType temporalType, IntervalType intervalType) {
 		final StringBuilder pattern = new StringBuilder();
@@ -665,7 +726,13 @@ public class DB2Dialect extends Dialect {
 
 	@Override
 	public void appendBinaryLiteral(SqlAppender appender, byte[] bytes) {
+		if ( getDB2Version().isSameOrAfter( 11 ) ) {
 			appender.appendSql( "BX'" );
+		}
+		else {
+			// This should be fine on DB2 prior to 10
+			appender.appendSql( "X'" );
+		}
 		PrimitiveByteArrayJavaType.INSTANCE.appendString( appender, bytes );
 		appender.appendSql( '\'' );
 	}
@@ -784,14 +851,19 @@ public class DB2Dialect extends Dialect {
 
 	@Override
 	public String extractPattern(TemporalUnit unit) {
-		if ( unit == TemporalUnit.WEEK ) {
+		switch ( unit ) {
+			case WEEK:
 				// Not sure why, but `extract(week from '2019-05-27')` wrongly returns 21 and week_iso behaves correct
 				return "week_iso(?2)";
+			case DAY_OF_YEAR:
+				return "dayofyear(?2)";
+			case DAY_OF_WEEK:
+				return "dayofweek(?2)";
+			case QUARTER:
+				return "quarter(?2)";
 		}
-		else {
 		return super.extractPattern( unit );
 	}
-	}
 
 	@Override
 	public int getInExpressionCountLimit() {

hibernate-core/src/main/java/org/hibernate/dialect/DB2SqlAstTranslator.java

@@ -29,11 +29,14 @@ import org.hibernate.sql.ast.tree.expression.Summarization;
 import org.hibernate.sql.ast.tree.from.TableGroup;
 import org.hibernate.sql.ast.tree.from.TableGroupJoin;
 import org.hibernate.sql.ast.tree.from.TableReferenceJoin;
+import org.hibernate.sql.ast.tree.from.QueryPartTableReference;
 import org.hibernate.sql.ast.tree.insert.InsertStatement;
 import org.hibernate.sql.ast.tree.predicate.BooleanExpressionPredicate;
+import org.hibernate.sql.ast.tree.predicate.Predicate;
 import org.hibernate.sql.ast.tree.select.QueryGroup;
 import org.hibernate.sql.ast.tree.select.QueryPart;
 import org.hibernate.sql.ast.tree.select.QuerySpec;
+import org.hibernate.sql.ast.tree.select.SelectStatement;
 import org.hibernate.sql.ast.tree.update.UpdateStatement;
 import org.hibernate.sql.exec.spi.JdbcOperation;
 
@@ -44,6 +47,9 @@ import org.hibernate.sql.exec.spi.JdbcOperation;
  */
 public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAstTranslator<T> {
 
+	// We have to track whether we are in a later query for applying lateral during window emulation
+	private boolean inLateral;
+
 	public DB2SqlAstTranslator(SessionFactoryImplementor sessionFactory, Statement statement) {
 		super( sessionFactory, statement );
 	}
@@ -114,8 +120,13 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
 
 	@Override
 	protected void renderExpressionAsClauseItem(Expression expression) {
+		if ( expression instanceof Predicate && getDB2Version().isBefore( 11 ) ) {
+			super.renderExpressionAsClauseItem( expression );
+		}
+		else {
 			expression.accept( this );
 		}
+	}
 
 	@Override
 	public void visitBooleanExpressionPredicate(BooleanExpressionPredicate booleanExpressionPredicate) {
@@ -202,24 +213,60 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
 	}
 
 	protected boolean shouldEmulateFetchClause(QueryPart queryPart) {
-		// Percent fetches or ties fetches aren't supported in DB2
-		// According to LegacyDB2LimitHandler, variable limit also isn't supported before 11.1
 		// Check if current query part is already row numbering to avoid infinite recursion
-		return getQueryPartForRowNumbering() != queryPart && (
+		if ( getQueryPartForRowNumbering() == queryPart ) {
-				useOffsetFetchClause( queryPart ) && !isRowsOnlyFetchClauseType( queryPart )
+			return false;
-						|| getDB2Version().isBefore( 11, 1 ) && ( queryPart.isRoot() && hasLimit() || !( queryPart.getFetchClauseExpression() instanceof Literal ) )
+		}
-		);
+		// Percent fetches or ties fetches aren't supported in DB2
+		if ( useOffsetFetchClause( queryPart ) && !isRowsOnlyFetchClauseType( queryPart ) ) {
+			return true;
+		}
+		// According to LegacyDB2LimitHandler, variable limit also isn't supported before 11.1
+		return getDB2Version().isBefore( 11, 1 )
+				&& queryPart.getFetchClauseExpression() != null
+				&& !( queryPart.getFetchClauseExpression() instanceof Literal );
 	}
 
 	protected boolean supportsOffsetClause() {
 		return getDB2Version().isSameOrAfter( 11, 1 );
 	}
 
+	@Override
+	public void visitQueryPartTableReference(QueryPartTableReference tableReference) {
+		final boolean oldLateral = inLateral;
+		inLateral = tableReference.isLateral();
+		super.visitQueryPartTableReference( tableReference );
+		inLateral = oldLateral;
+	}
+
+	@Override
+	public void visitSelectStatement(SelectStatement statement) {
+		if ( getQueryPartForRowNumbering() == statement.getQueryPart() && inLateral ) {
+			appendSql( "lateral " );
+		}
+		super.visitSelectStatement( statement );
+	}
+
+	@Override
+	protected void emulateFetchOffsetWithWindowFunctionsVisitQueryPart(QueryPart queryPart) {
+		if ( inLateral ) {
+			appendSql( "lateral " );
+			final boolean oldLateral = inLateral;
+			inLateral = false;
+			super.emulateFetchOffsetWithWindowFunctionsVisitQueryPart( queryPart );
+			inLateral = oldLateral;
+		}
+		else {
+			super.emulateFetchOffsetWithWindowFunctionsVisitQueryPart( queryPart );
+		}
+	}
+
 	@Override
 	public void visitQueryGroup(QueryGroup queryGroup) {
 		final boolean emulateFetchClause = shouldEmulateFetchClause( queryGroup );
-		if ( emulateFetchClause || !supportsOffsetClause() && hasOffset( queryGroup ) ) {
+		if ( emulateFetchClause ||
-			emulateFetchOffsetWithWindowFunctions( queryGroup, emulateFetchClause );
+				getQueryPartForRowNumbering() != queryGroup && !supportsOffsetClause() && hasOffset( queryGroup ) ) {
+			emulateFetchOffsetWithWindowFunctions( queryGroup, true );
 		}
 		else {
 			super.visitQueryGroup( queryGroup );
@@ -229,8 +276,9 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
 	@Override
 	public void visitQuerySpec(QuerySpec querySpec) {
 		final boolean emulateFetchClause = shouldEmulateFetchClause( querySpec );
-		if ( emulateFetchClause || !supportsOffsetClause() && hasOffset( querySpec ) ) {
+		if ( emulateFetchClause ||
-			emulateFetchOffsetWithWindowFunctions( querySpec, emulateFetchClause );
+				getQueryPartForRowNumbering() != querySpec && !supportsOffsetClause() && hasOffset( querySpec ) ) {
+			emulateFetchOffsetWithWindowFunctions( querySpec, true );
 		}
 		else {
 			super.visitQuerySpec( querySpec );
@@ -252,6 +300,26 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
 		}
 	}
 
+	@Override
+	protected void renderOffsetExpression(Expression offsetExpression) {
+		if ( supportsParameterOffsetFetchExpression() ) {
+			super.renderOffsetExpression( offsetExpression );
+		}
+		else {
+			renderExpressionAsLiteral( offsetExpression, getJdbcParameterBindings() );
+		}
+	}
+
+	@Override
+	protected void renderFetchExpression(Expression fetchExpression) {
+		if ( supportsParameterOffsetFetchExpression() ) {
+			super.renderFetchExpression( fetchExpression );
+		}
+		else {
+			renderExpressionAsLiteral( fetchExpression, getJdbcParameterBindings() );
+		}
+	}
+
 	@Override
 	protected void visitDeleteStatementOnly(DeleteStatement statement) {
 		final boolean closeWrapper = renderReturningClause( statement );
@@ -375,4 +443,8 @@ public class DB2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAst
 		return this.getDialect().getVersion();
 	}
 
+	protected boolean supportsParameterOffsetFetchExpression() {
+		return getDB2Version().isSameOrAfter( 11 );
+	}
+
 }

hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java

@@ -852,7 +852,7 @@ public abstract class Dialect implements ConversionContext {
 		//supported on one database, but can be emulated using sum() and case,
 		//though there is a more natural mapping on some databases
 
-		functionFactory.everyAny_sumCase();
+		functionFactory.everyAny_sumCase( supportsPredicateAsExpression() );
 
 		//math functions supported on almost every database
 
@@ -3900,6 +3900,14 @@ public abstract class Dialect implements ConversionContext {
 		return true;
 	}
 
+	/**
+	 * Whether a predicate like `a > 0` can appear in an expression context e.g. a select item list.
+	 */
+	protected boolean supportsPredicateAsExpression() {
+		// Most databases seem to allow that
+		return true;
+	}
+
 	public void appendBinaryLiteral(SqlAppender appender, byte[] bytes) {
 		appender.appendSql( "X'" );
 		PrimitiveByteArrayJavaType.INSTANCE.appendString( appender, bytes );

hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java

@@ -254,6 +254,7 @@ public class H2Dialect extends Dialect {
 		functionFactory.radians();
 		functionFactory.degrees();
 		functionFactory.log10();
+		functionFactory.mod_operator();
 		functionFactory.rand();
 		functionFactory.truncate();
 		functionFactory.soundex();

hibernate-core/src/main/java/org/hibernate/dialect/H2SqlAstTranslator.java

@@ -230,6 +230,12 @@ public class H2SqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAstT
 		return true;
 	}
 
+	@Override
+	protected boolean supportsRowValueConstructorDistinctFromSyntax() {
+		// Seems that before, this was buggy
+		return getDialect().getVersion().isSameOrAfter( 1, 4, 200 );
+	}
+
 	@Override
 	protected boolean supportsNullPrecedence() {
 		// Support for nulls clause in listagg was added in 2.0

hibernate-core/src/main/java/org/hibernate/dialect/HANASqlAstTranslator.java

@@ -125,26 +125,6 @@ public class HANASqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAs
 		}
 	}
 
-	@Override
-	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
-		final BinaryArithmeticOperator operator = arithmeticExpression.getOperator();
-		if ( operator == BinaryArithmeticOperator.MODULO ) {
-			append( "mod" );
-			appendSql( OPEN_PARENTHESIS );
-			arithmeticExpression.getLeftHandOperand().accept( this );
-			appendSql( ',' );
-			arithmeticExpression.getRightHandOperand().accept( this );
-			appendSql( CLOSE_PARENTHESIS );
-		}
-		else {
-			appendSql( OPEN_PARENTHESIS );
-			render( arithmeticExpression.getLeftHandOperand(), SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER );
-			appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
-			render( arithmeticExpression.getRightHandOperand(), SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER );
-			appendSql( CLOSE_PARENTHESIS );
-		}
-	}
-
 	@Override
 	protected boolean supportsRowValueConstructorSyntaxInQuantifiedPredicates() {
 		return false;

hibernate-core/src/main/java/org/hibernate/dialect/MariaDBSqlAstTranslator.java

@@ -80,6 +80,25 @@ public class MariaDBSqlAstTranslator<T extends JdbcOperation> extends AbstractSq
 		return useOffsetFetchClause( queryPart ) && getQueryPartForRowNumbering() != queryPart && supportsWindowFunctions() && !isRowsOnlyFetchClauseType( queryPart );
 	}
 
+	@Override
+	protected boolean supportsSimpleQueryGrouping() {
+		return getDialect().getVersion().isSameOrAfter( 10, 4 );
+	}
+
+	@Override
+	protected boolean shouldEmulateLateralWithIntersect(QueryPart queryPart) {
+		// Intersect emulation requires nested correlation when no simple query grouping is possible
+		// and the query has an offset/fetch clause, so we have to disable the emulation in this case,
+		// because nested correlation is not supported though
+		return supportsSimpleQueryGrouping() || !queryPart.hasOffsetOrFetchClause();
+	}
+
+	@Override
+	protected boolean supportsNestedSubqueryCorrelation() {
+		// It seems it doesn't support it
+		return false;
+	}
+
 	@Override
 	public void visitQueryGroup(QueryGroup queryGroup) {
 		if ( shouldEmulateFetchClause( queryGroup ) ) {

hibernate-core/src/main/java/org/hibernate/dialect/OracleSqlAstTranslator.java

@@ -147,6 +147,19 @@ public class OracleSqlAstTranslator<T extends JdbcOperation> extends AbstractSql
 		return getQueryPartStack().findCurrentFirst( part -> part instanceof QueryGroup ? part : null ) != null;
 	}
 
+	@Override
+	protected boolean shouldEmulateLateralWithIntersect(QueryPart queryPart) {
+		// On Oracle 11 where there is no lateral support,
+		// make sure we don't use intersect if the query has an offset/fetch clause
+		return !queryPart.hasOffsetOrFetchClause();
+	}
+
+	@Override
+	protected boolean supportsNestedSubqueryCorrelation() {
+		// It seems it doesn't support it, at least on version 11
+		return false;
+	}
+
 	protected boolean shouldEmulateFetchClause(QueryPart queryPart) {
 		// Check if current query part is already row numbering to avoid infinite recursion
 		if (getQueryPartForRowNumbering() == queryPart) {
@@ -200,22 +213,8 @@ public class OracleSqlAstTranslator<T extends JdbcOperation> extends AbstractSql
 					querySpec,
 					true, // we need select aliases to avoid ORA-00918: column ambiguously defined
 					() -> {
-						final QueryPart currentQueryPart = getQueryPartStack().getCurrent();
+						appendSql( "select * from " );
-						final boolean needsWrapper;
+						emulateFetchOffsetWithWindowFunctionsVisitQueryPart( querySpec );
-						if ( currentQueryPart instanceof QueryGroup ) {
-							// visitQuerySpec will add the select wrapper
-							needsWrapper = !currentQueryPart.hasOffsetOrFetchClause();
-						}
-						else {
-							needsWrapper = true;
-						}
-						if ( needsWrapper ) {
-							appendSql( "select * from (" );
-						}
-						super.visitQuerySpec( querySpec );
-						if ( needsWrapper ) {
-							appendSql( ')' );
-						}
 						appendSql( " where rownum<=" );
 						final Stack<Clause> clauseStack = getClauseStack();
 						clauseStack.push( Clause.WHERE );
@@ -488,21 +487,4 @@ public class OracleSqlAstTranslator<T extends JdbcOperation> extends AbstractSql
 		return getDialect().supportsFetchClause( FetchClauseType.ROWS_ONLY );
 	}
 
-	@Override
-	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
-		final BinaryArithmeticOperator operator = arithmeticExpression.getOperator();
-		if ( operator == BinaryArithmeticOperator.MODULO ) {
-			append( "mod" );
-			appendSql( OPEN_PARENTHESIS );
-			arithmeticExpression.getLeftHandOperand().accept( this );
-			appendSql( ',' );
-			arithmeticExpression.getRightHandOperand().accept( this );
-			appendSql( CLOSE_PARENTHESIS );
-			return;
-		}
-		else {
-			super.visitBinaryArithmeticExpression( arithmeticExpression );
-		}
-	}
-
 }

hibernate-core/src/main/java/org/hibernate/dialect/PostgreSQLDialect.java

@@ -508,7 +508,8 @@ public class PostgreSQLDialect extends Dialect {
 		functionFactory.degrees();
 		functionFactory.trunc();
 		functionFactory.log();
-		if ( getVersion().isSameOrAfter(12) ) {
+		functionFactory.mod_operator();
+		if ( getVersion().isSameOrAfter( 12 ) ) {
 			functionFactory.log10();
 			functionFactory.tanh();
 			functionFactory.sinh();

hibernate-core/src/main/java/org/hibernate/dialect/PostgreSQLSqlAstTranslator.java

@@ -12,6 +12,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteMaterialization;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
 import org.hibernate.sql.ast.tree.expression.Literal;
 import org.hibernate.sql.ast.tree.expression.Summarization;
@@ -212,4 +213,13 @@ public class PostgreSQLSqlAstTranslator<T extends JdbcOperation> extends Abstrac
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 }

hibernate-core/src/main/java/org/hibernate/dialect/SQLServer2016Dialect.java

@@ -14,7 +14,7 @@ package org.hibernate.dialect;
 public class SQLServer2016Dialect extends SQLServerDialect {
 
 	public SQLServer2016Dialect() {
-		super( DatabaseVersion.make( 16 ) );
+		super( DatabaseVersion.make( 13 ) );
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java

@@ -38,6 +38,7 @@ import org.hibernate.query.sqm.FetchClauseType;
 import org.hibernate.query.sqm.IntervalType;
 import org.hibernate.query.sqm.TemporalUnit;
 import org.hibernate.query.spi.QueryEngine;
+import org.hibernate.query.sqm.TrimSpec;
 import org.hibernate.service.ServiceRegistry;
 import org.hibernate.sql.ast.SqlAstNodeRenderingMode;
 import org.hibernate.sql.ast.SqlAstTranslator;
@@ -327,6 +328,31 @@ public class SQLServerDialect extends AbstractTransactSQLDialect {
 		if ( getVersion().isSameOrAfter( 14 ) ) {
 			functionFactory.listagg_stringAggWithinGroup( "varchar(max)" );
 		}
+		if ( getVersion().isSameOrAfter( 16 ) ) {
+			functionFactory.leastGreatest();
+		}
+	}
+
+	@Override
+	public String trimPattern(TrimSpec specification, char character) {
+		if ( getVersion().isSameOrAfter( 16 ) ) {
+			switch ( specification ) {
+				case BOTH:
+					return character == ' '
+							? "trim(?1)"
+							: "trim('" + character + "' from ?1)";
+				case LEADING:
+					return character == ' '
+							? "ltrim(?1)"
+							: "ltrim(?1,'" + character + "')";
+				case TRAILING:
+					return character == ' '
+							? "rtrim(?1)"
+							: "rtrim(?1,'" + character + "')";
+			}
+			throw new UnsupportedOperationException( "Unsupported specification: " + specification );
+		}
+		return super.trimPattern( specification, character );
 	}
 
 	@Override
@@ -412,6 +438,11 @@ public class SQLServerDialect extends AbstractTransactSQLDialect {
 		return true;
 	}
 
+	@Override
+	public boolean supportsDistinctFromPredicate() {
+		return getVersion().isSameOrAfter( 16 );
+	}
+
 	@Override
 	public char closeQuote() {
 		return ']';
@@ -900,7 +931,7 @@ public class SQLServerDialect extends AbstractTransactSQLDialect {
 
 	@Override
 	public String[] getDropSchemaCommand(String schemaName) {
-		if ( getVersion().isSameOrAfter( 16 ) ) {
+		if ( getVersion().isSameOrAfter( 13 ) ) {
 			return new String[] { "drop schema if exists " + schemaName };
 		}
 		return super.getDropSchemaCommand( schemaName );

hibernate-core/src/main/java/org/hibernate/dialect/SQLServerSqlAstTranslator.java

@@ -10,6 +10,7 @@ import java.util.List;
 
 import org.hibernate.LockMode;
 import org.hibernate.LockOptions;
+import org.hibernate.query.sqm.BinaryArithmeticOperator;
 import org.hibernate.query.sqm.FetchClauseType;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.query.sqm.ComparisonOperator;
@@ -19,6 +20,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
 import org.hibernate.sql.ast.tree.expression.Literal;
 import org.hibernate.sql.ast.tree.expression.SqlTuple;
@@ -396,6 +398,15 @@ public class SQLServerSqlAstTranslator<T extends JdbcOperation> extends Abstract
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	protected boolean supportsRowValueConstructorSyntax() {
 		return false;

hibernate-core/src/main/java/org/hibernate/dialect/SybaseASESqlAstTranslator.java

@@ -18,6 +18,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.ColumnReference;
@@ -311,6 +312,15 @@ public class SybaseASESqlAstTranslator<T extends JdbcOperation> extends Abstract
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	public void visitColumnReference(ColumnReference columnReference) {
 		final String dmlTargetTableAlias = getDmlTargetTableAlias();

hibernate-core/src/main/java/org/hibernate/dialect/SybaseSqlAstTranslator.java

@@ -17,6 +17,7 @@ import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.cte.CteStatement;
+import org.hibernate.sql.ast.tree.expression.BinaryArithmeticExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
 import org.hibernate.sql.ast.tree.expression.CaseSimpleExpression;
 import org.hibernate.sql.ast.tree.expression.Expression;
@@ -148,6 +149,15 @@ public class SybaseSqlAstTranslator<T extends JdbcOperation> extends AbstractSql
 		}
 	}
 
+	@Override
+	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		appendSql( OPEN_PARENTHESIS );
+		arithmeticExpression.getLeftHandOperand().accept( this );
+		appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
+		arithmeticExpression.getRightHandOperand().accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	@Override
 	protected boolean supportsRowValueConstructorSyntax() {
 		return false;

hibernate-core/src/main/java/org/hibernate/dialect/function/CommonFunctionFactory.java

@@ -435,9 +435,33 @@ public class CommonFunctionFactory {
 	 */
 	public void varianceSamp() {
 		functionRegistry.namedAggregateDescriptorBuilder( "variance_samp" )
-				.setInvariantType(doubleType)
+				.setInvariantType( doubleType )
 				.setExactArgumentCount( 1 )
-				.setParameterTypes(NUMERIC)
+				.setParameterTypes( NUMERIC )
+				.register();
+	}
+
+	private static final String VAR_SAMP_SUM_COUNT_PATTERN = "(sum(power(?1,2))-(power(sum(?1),2)/count(?1)))/nullif(count(?1)-1,0)";
+
+	/**
+	 * DB2 before 11
+	 */
+	public void varSamp_sumCount() {
+		functionRegistry.patternAggregateDescriptorBuilder( "var_samp", VAR_SAMP_SUM_COUNT_PATTERN )
+				.setInvariantType( doubleType )
+				.setExactArgumentCount( 1 )
+				.setParameterTypes( NUMERIC )
+				.register();
+	}
+
+	/**
+	 * DB2 before 11
+	 */
+	public void stddevSamp_sumCount() {
+		functionRegistry.patternAggregateDescriptorBuilder( "stddev_samp", "sqrt(" + VAR_SAMP_SUM_COUNT_PATTERN + ")" )
+				.setInvariantType( doubleType )
+				.setExactArgumentCount( 1 )
+				.setParameterTypes( NUMERIC )
 				.register();
 	}
 
@@ -933,11 +957,11 @@ public class CommonFunctionFactory {
 	 * for databases that have to emulate the boolean
 	 * aggregation functions using sum() and case.
 	 */
-	public void everyAny_sumCase() {
+	public void everyAny_sumCase(boolean supportsPredicateAsExpression) {
 		functionRegistry.register( "every",
-				new EveryAnyEmulation( typeConfiguration, true ) );
+				new EveryAnyEmulation( typeConfiguration, true, supportsPredicateAsExpression ) );
 		functionRegistry.register( "any",
-				new EveryAnyEmulation( typeConfiguration, false ) );
+				new EveryAnyEmulation( typeConfiguration, false, supportsPredicateAsExpression ) );
 	}
 
 	/**
@@ -1691,14 +1715,13 @@ public class CommonFunctionFactory {
 	/**
 	 * For DB2 which has a broken implementation of overlay()
 	 */
-	public void overlayCharacterLength_overlay() {
+	public void overlayLength_overlay(boolean withCodeUnits) {
+		final String codeUnits = withCodeUnits ? " using codeunits32" : "";
 		functionRegistry.registerTernaryQuaternaryPattern(
 						"overlay",
 						stringType,
-						//use character_length() here instead of length()
+						"overlay(?1 placing ?2 from ?3 for character_length(?2" + (withCodeUnits ? ",codeunits32" : "") + ")" + codeUnits + ")",
-						//because DB2 doesn't like "length(?)"
+						"overlay(?1 placing ?2 from ?3 for ?4" + codeUnits + ")",
-						"overlay(?1 placing ?2 from ?3 for character_length(?2))",
-						"overlay(?1 placing ?2 from ?3 for ?4)",
 						STRING, STRING, INTEGER, INTEGER,
 						typeConfiguration
 				)

hibernate-core/src/main/java/org/hibernate/dialect/function/DB2PositionFunction.java

@@ -0,0 +1,62 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.dialect.function;
+
+import java.util.List;
+
+import org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor;
+import org.hibernate.query.sqm.produce.function.ArgumentTypesValidator;
+import org.hibernate.query.sqm.produce.function.StandardArgumentsValidators;
+import org.hibernate.query.sqm.produce.function.StandardFunctionArgumentTypeResolvers;
+import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
+import org.hibernate.sql.ast.SqlAstTranslator;
+import org.hibernate.sql.ast.spi.SqlAppender;
+import org.hibernate.sql.ast.tree.SqlAstNode;
+import org.hibernate.type.StandardBasicTypes;
+import org.hibernate.type.spi.TypeConfiguration;
+
+import static org.hibernate.query.sqm.produce.function.FunctionParameterType.ANY;
+import static org.hibernate.query.sqm.produce.function.FunctionParameterType.STRING;
+
+/**
+ * DB2's position() function always requires a code unit before version 11.
+ */
+public class DB2PositionFunction extends AbstractSqmSelfRenderingFunctionDescriptor {
+
+	public DB2PositionFunction(TypeConfiguration typeConfiguration) {
+		super(
+				"position",
+				new ArgumentTypesValidator( StandardArgumentsValidators.between( 2, 3 ), STRING, STRING, ANY ),
+				StandardFunctionReturnTypeResolvers.invariant( typeConfiguration.getBasicTypeRegistry().resolve(
+						StandardBasicTypes.INTEGER ) ),
+				StandardFunctionArgumentTypeResolvers.invariant( typeConfiguration, STRING, STRING )
+		);
+	}
+
+	@Override
+	public void render(
+			SqlAppender sqlAppender,
+			List<? extends SqlAstNode> arguments,
+			SqlAstTranslator<?> walker) {
+		final int argumentCount = arguments.size();
+		sqlAppender.appendSql( "position(" );
+		arguments.get( 0 ).accept( walker );
+		for ( int i = 1; i < argumentCount; i++ ) {
+			sqlAppender.appendSql( ',' );
+			arguments.get( i ).accept( walker );
+		}
+		if ( argumentCount != 3 ) {
+			sqlAppender.appendSql( ",codeunits32" );
+		}
+		sqlAppender.appendSql( ')' );
+	}
+
+	@Override
+	public String getSignature(String name) {
+		return "(STRING pattern in STRING string[, units]])";
+	}
+}

hibernate-core/src/main/java/org/hibernate/dialect/function/DB2SubstringFunction.java

@@ -0,0 +1,64 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.dialect.function;
+
+import java.util.List;
+
+import org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor;
+import org.hibernate.query.sqm.produce.function.ArgumentTypesValidator;
+import org.hibernate.query.sqm.produce.function.FunctionParameterType;
+import org.hibernate.query.sqm.produce.function.StandardArgumentsValidators;
+import org.hibernate.query.sqm.produce.function.StandardFunctionArgumentTypeResolvers;
+import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
+import org.hibernate.sql.ast.SqlAstTranslator;
+import org.hibernate.sql.ast.spi.SqlAppender;
+import org.hibernate.sql.ast.tree.SqlAstNode;
+import org.hibernate.type.StandardBasicTypes;
+import org.hibernate.type.spi.TypeConfiguration;
+
+import static org.hibernate.query.sqm.produce.function.FunctionParameterType.INTEGER;
+import static org.hibernate.query.sqm.produce.function.FunctionParameterType.STRING;
+
+/**
+ * DB2's substring() function requires a code unit and substr() can't optionally take it,
+ * so we render substr() by default. If the code unit is passed, we render substring().
+ */
+public class DB2SubstringFunction extends AbstractSqmSelfRenderingFunctionDescriptor {
+
+	public DB2SubstringFunction(TypeConfiguration typeConfiguration) {
+		super(
+				"substring",
+				new ArgumentTypesValidator( StandardArgumentsValidators.between( 2, 4 ), STRING, INTEGER, INTEGER, FunctionParameterType.ANY ),
+				StandardFunctionReturnTypeResolvers.invariant( typeConfiguration.getBasicTypeRegistry().resolve(
+						StandardBasicTypes.STRING ) ),
+				StandardFunctionArgumentTypeResolvers.invariant( typeConfiguration, STRING, INTEGER, INTEGER )
+		);
+	}
+
+	@Override
+	public void render(
+			SqlAppender sqlAppender,
+			List<? extends SqlAstNode> arguments,
+			SqlAstTranslator<?> walker) {
+		final int argumentCount = arguments.size();
+		sqlAppender.appendSql( "substring(" );
+		arguments.get( 0 ).accept( walker );
+		for ( int i = 1; i < argumentCount; i++ ) {
+			sqlAppender.appendSql( ',' );
+			arguments.get( i ).accept( walker );
+		}
+		if ( argumentCount != 4 ) {
+			sqlAppender.appendSql( ",codeunits32" );
+		}
+		sqlAppender.appendSql( ')' );
+	}
+
+	@Override
+	public String getSignature(String name) {
+		return "(STRING string, INTEGER start[, INTEGER length[, units]])";
+	}
+}

hibernate-core/src/main/java/org/hibernate/dialect/function/EveryAnyEmulation.java

@@ -18,7 +18,9 @@ import org.hibernate.sql.ast.Clause;
 import org.hibernate.sql.ast.SqlAstTranslator;
 import org.hibernate.sql.ast.spi.SqlAppender;
 import org.hibernate.sql.ast.tree.SqlAstNode;
+import org.hibernate.sql.ast.tree.expression.QueryLiteral;
 import org.hibernate.sql.ast.tree.predicate.Predicate;
+import org.hibernate.type.BasicType;
 import org.hibernate.type.StandardBasicTypes;
 import org.hibernate.type.spi.TypeConfiguration;
 
@@ -37,8 +39,10 @@ import static org.hibernate.query.sqm.produce.function.FunctionParameterType.BOO
 public class EveryAnyEmulation extends AbstractSqmSelfRenderingFunctionDescriptor {
 
 	private final boolean every;
+	private final QueryLiteral<Boolean> trueLiteral;
+	private final QueryLiteral<Boolean> falseLiteral;
 
-	public EveryAnyEmulation(TypeConfiguration typeConfiguration, boolean every) {
+	public EveryAnyEmulation(TypeConfiguration typeConfiguration, boolean every, boolean supportsPredicateAsExpression) {
 		super(
 				every ? "every" : "any",
 				FunctionKind.AGGREGATE,
@@ -49,6 +53,16 @@ public class EveryAnyEmulation extends AbstractSqmSelfRenderingFunctionDescripto
 				StandardFunctionArgumentTypeResolvers.invariant( typeConfiguration, BOOLEAN )
 		);
 		this.every = every;
+		if ( supportsPredicateAsExpression ) {
+			this.trueLiteral = null;
+			this.falseLiteral = null;
+		}
+		else {
+			final BasicType<Boolean> booleanBasicType = typeConfiguration.getBasicTypeRegistry()
+					.resolve( StandardBasicTypes.BOOLEAN );
+			this.trueLiteral = new QueryLiteral<>( true, booleanBasicType );
+			this.falseLiteral = new QueryLiteral<>( false, booleanBasicType );
+		}
 	}
 
 	@Override
@@ -57,6 +71,9 @@ public class EveryAnyEmulation extends AbstractSqmSelfRenderingFunctionDescripto
 			List<? extends SqlAstNode> sqlAstArguments,
 			Predicate filter,
 			SqlAstTranslator<?> walker) {
+		if ( trueLiteral != null ) {
+			sqlAppender.appendSql( "case when " );
+		}
 		sqlAppender.appendSql( "(sum(case when " );
 		if ( filter != null ) {
 			walker.getCurrentClauseStack().push( Clause.WHERE );
@@ -80,6 +97,13 @@ public class EveryAnyEmulation extends AbstractSqmSelfRenderingFunctionDescripto
 				sqlAppender.appendSql( " then 1 else 0 end)>0)" );
 			}
 		}
+		if ( trueLiteral != null ) {
+			sqlAppender.appendSql( " then " );
+			walker.visitQueryLiteral( trueLiteral );
+			sqlAppender.appendSql( " else " );
+			walker.visitQueryLiteral( falseLiteral );
+			sqlAppender.appendSql( " end" );
+		}
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/metamodel/mapping/ordering/ast/OrderingSpecification.java

@@ -18,7 +18,7 @@ public class OrderingSpecification implements Node {
 	private final OrderingExpression orderingExpression;
 
 	private String collation;
-	private SortOrder sortOrder;
+	private SortOrder sortOrder = SortOrder.ASCENDING;
 	private NullPrecedence nullPrecedence = NullPrecedence.NONE;
 	private String orderByValue;
 

hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java

@@ -1598,7 +1598,7 @@ public class SemanticQueryBuilder<R> extends HqlParserBaseVisitor<Object> implem
 				nextIndex++;
 			}
 			else {
-				sortOrder = null;
+				sortOrder = SortOrder.ASCENDING;
 			}
 			parseTree = ctx.getChild( nextIndex );
 			if ( parseTree instanceof HqlParser.NullsPrecedenceContext ) {
@@ -1614,12 +1614,12 @@ public class SemanticQueryBuilder<R> extends HqlParserBaseVisitor<Object> implem
 				}
 			}
 			else {
-				nullPrecedence = null;
+				nullPrecedence = NullPrecedence.NONE;
 			}
 		}
 		else {
-			sortOrder = null;
+			sortOrder = SortOrder.ASCENDING;
-			nullPrecedence = null;
+			nullPrecedence = NullPrecedence.NONE;
 		}
 
 		return new SqmSortSpecification( sortExpression, sortOrder, nullPrecedence );

hibernate-core/src/main/java/org/hibernate/query/sqm/produce/function/ArgumentTypesValidator.java

@@ -187,7 +187,7 @@ public class ArgumentTypesValidator implements ArgumentsValidator {
 			case BOOLEAN:
 				// ugh, need to be careful here, need to accept all the
 				// JDBC type codes that a Dialect might use for BOOLEAN
-				if ( code != BOOLEAN && code != BIT && code != TINYINT ) {
+				if ( code != BOOLEAN && code != BIT && code != TINYINT && code != SMALLINT ) {
 					throwError(type, javaType, functionName, count);
 				}
 				break;

hibernate-core/src/main/java/org/hibernate/query/sqm/tree/select/SqmSortSpecification.java

@@ -26,17 +26,20 @@ public class SqmSortSpecification implements JpaOrder {
 			SqmExpression sortExpression,
 			SortOrder sortOrder,
 			NullPrecedence nullPrecedence) {
+		assert sortExpression != null;
+		assert sortOrder != null;
+		assert nullPrecedence != null;
 		this.sortExpression = sortExpression;
 		this.sortOrder = sortOrder;
 		this.nullPrecedence = nullPrecedence;
 	}
 
 	public SqmSortSpecification(SqmExpression sortExpression) {
-		this( sortExpression, SortOrder.ASCENDING, null );
+		this( sortExpression, SortOrder.ASCENDING, NullPrecedence.NONE );
 	}
 
 	public SqmSortSpecification(SqmExpression sortExpression, SortOrder sortOrder) {
-		this( sortExpression, sortOrder, null );
+		this( sortExpression, sortOrder, NullPrecedence.NONE );
 	}
 
 	public SqmSortSpecification copy(SqmCopyContext context) {

hibernate-core/src/main/java/org/hibernate/sql/ast/spi/AbstractSqlAstTranslator.java

@@ -2846,7 +2846,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 				needsParenthesis = !needsRowNumberingWrapper && !needsQueryGroupWrapper;
 			}
 			else {
-				needsParenthesis = !queryGroup.isRoot();
+				needsParenthesis = queryGroup.hasOffsetOrFetchClause() && !queryGroup.isRoot();
 			}
 			if ( needsParenthesis ) {
 				appendSql( OPEN_PARENTHESIS );
@@ -2952,9 +2952,12 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 				// because of order by precedence in SQL
 				if ( querySpec.hasOffsetOrFetchClause() ) {
 					queryGroupAlias = "";
-					// If the parent is a query group with a fetch clause,
+					// If the parent is a query group with a fetch clause we must use a select wrapper,
 					// or if the database does not support simple query grouping, we must use a select wrapper
-					if ( !supportsSimpleQueryGrouping() || currentQueryPart.hasOffsetOrFetchClause() ) {
+					if ( ( !supportsSimpleQueryGrouping() || currentQueryPart.hasOffsetOrFetchClause() )
+							// We can skip it though if this query spec is being row numbered,
+							// because then we already have a wrapper
+							&& queryPartForRowNumbering != querySpec ) {
 						queryGroupAlias = " grp_" + queryGroupAliasCounter + '_';
 						queryGroupAliasCounter++;
 						appendSql( "select" );
@@ -4326,11 +4329,19 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 				appendSql( OPEN_PARENTHESIS );
 			}
 			appendSql( "select " );
-			if ( getClauseStack().isEmpty() && !( getStatement() instanceof InsertStatement ) ) {
+			// When we emulate a root statement, we don't need to select the select items
+			// to filter out the row number column we introduce, because we will simply ignore it anyway
+			if ( getClauseStack().isEmpty() && !( getStatement() instanceof InsertStatement )
+					// If the query part is a child of a query group, we have can't do that,
+					// since we need the select items to properly align in query group parts
+					&& !( getCurrentQueryPart() instanceof QueryGroup ) ) {
 				appendSql( '*' );
 			}
 			else {
-				final int size = queryPart.getFirstQuerySpec().getSelectClause().getSqlSelections().size();
+				int size = 0;
+				for ( SqlSelection sqlSelection : queryPart.getFirstQuerySpec().getSelectClause().getSqlSelections() ) {
+					size += sqlSelection.getExpressionType().getJdbcTypeCount();
+				}
 				String separator = "";
 				for ( int i = 0; i < size; i++ ) {
 					appendSql( separator );
@@ -4341,9 +4352,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 				}
 			}
 			appendSql( " from " );
-			appendSql( OPEN_PARENTHESIS );
+			emulateFetchOffsetWithWindowFunctionsVisitQueryPart( queryPart );
-			queryPart.accept( this );
-			appendSql( CLOSE_PARENTHESIS );
 			appendSql( WHITESPACE );
 			appendSql( alias );
 			appendSql( " where " );
@@ -4464,6 +4473,12 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		}
 	}
 
+	protected void emulateFetchOffsetWithWindowFunctionsVisitQueryPart(QueryPart queryPart) {
+		appendSql( OPEN_PARENTHESIS );
+		queryPart.accept( this );
+		appendSql( CLOSE_PARENTHESIS );
+	}
+
 	protected final void withRowNumbering(QueryPart queryPart, boolean needsSelectAliases, Runnable r) {
 		final QueryPart queryPartForRowNumbering = this.queryPartForRowNumbering;
 		final int queryPartForRowNumberingClauseDepth = this.queryPartForRowNumberingClauseDepth;
@@ -4527,46 +4542,56 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		}
 		if ( needsSelectAliases || referenceStrategy == SelectItemReferenceStrategy.ALIAS && hasSelectAliasInGroupByClause() ) {
 			String separator = NO_SEPARATOR;
-			if ( columnAliases == null ) {
-				for ( int i = 0; i < size; i++ ) {
-					final SqlSelection sqlSelection = sqlSelections.get( i );
-					appendSql( separator );
-					if ( selectItemsToInline != null && selectItemsToInline.get( i ) ) {
-						parameterRenderingMode = SqlAstNodeRenderingMode.INLINE_ALL_PARAMETERS;
-					}
-					else {
-						parameterRenderingMode = defaultRenderingMode;
-					}
-					visitSqlSelection( sqlSelection );
-					parameterRenderingMode = original;
-					appendSql( " c" );
-					appendSql( i );
-					separator = COMA_SEPARATOR;
-				}
-			}
-			else {
 			int offset = 0;
 			for ( int i = 0; i < size; i++ ) {
 				final SqlSelection sqlSelection = sqlSelections.get( i );
-					appendSql( separator );
 				if ( selectItemsToInline != null && selectItemsToInline.get( i ) ) {
 					parameterRenderingMode = SqlAstNodeRenderingMode.INLINE_ALL_PARAMETERS;
 				}
 				else {
 					parameterRenderingMode = defaultRenderingMode;
 				}
-					offset += visitSqlSelectExpression( sqlSelection.getExpression(), offset, columnAliases );
+				final Expression expression = sqlSelection.getExpression();
-					parameterRenderingMode = original;
+				final SqlTuple sqlTuple = SqlTupleContainer.getSqlTuple( expression );
+				if ( sqlTuple != null ) {
+					final List<? extends Expression> expressions = sqlTuple.getExpressions();
+					for ( Expression e : expressions ) {
+						appendSql( separator );
+						renderSelectExpression( e );
 						appendSql( WHITESPACE );
-					appendSql( columnAliases.get( offset - 1 ) );
+						if ( columnAliases == null ) {
+							appendSql( 'c' );
+							appendSql( offset );
+						}
+						else {
+							appendSql( columnAliases.get( offset ) );
+						}
+						offset++;
 						separator = COMA_SEPARATOR;
 					}
 				}
+				else {
+					appendSql( separator );
+					renderSelectExpression( expression );
+					appendSql( WHITESPACE );
+					if ( columnAliases == null ) {
+						appendSql( 'c' );
+						appendSql( offset );
+					}
+					else {
+						appendSql( columnAliases.get( offset ) );
+					}
+					offset++;
+					separator = COMA_SEPARATOR;
+				}
+				parameterRenderingMode = original;
+			}
 			if ( queryPartForRowNumbering != null ) {
 				renderRowNumberingSelectItems( selectClause, queryPartForRowNumbering );
 			}
 		}
-		else if ( columnAliases == null ) {
+		else {
+			assert columnAliases == null;
 			String separator = NO_SEPARATOR;
 			for ( int i = 0; i < size; i++ ) {
 				final SqlSelection sqlSelection = sqlSelections.get( i );
@@ -4582,25 +4607,6 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 				separator = COMA_SEPARATOR;
 			}
 		}
-		else {
-			String separator = NO_SEPARATOR;
-			int offset = 0;
-			for ( int i = 0; i < size; i++ ) {
-				final SqlSelection sqlSelection = sqlSelections.get( i );
-				appendSql( separator );
-				if ( selectItemsToInline != null && selectItemsToInline.get( i ) ) {
-					parameterRenderingMode = SqlAstNodeRenderingMode.INLINE_ALL_PARAMETERS;
-				}
-				else {
-					parameterRenderingMode = defaultRenderingMode;
-				}
-				offset += visitSqlSelectExpression( sqlSelection.getExpression(), offset, columnAliases );
-				appendSql( WHITESPACE );
-				appendSql( columnAliases.get( offset - 1 ) );
-				parameterRenderingMode = original;
-				separator = COMA_SEPARATOR;
-			}
-		}
 	}
 
 	protected void renderVirtualSelections(SelectClause selectClause) {
@@ -4953,32 +4959,6 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		}
 	}
 
-	protected int visitSqlSelectExpression(Expression expression, int offset, List<String> columnAliases) {
-		final SqlTuple sqlTuple = SqlTupleContainer.getSqlTuple( expression );
-		if ( sqlTuple != null ) {
-			boolean isFirst = true;
-			final List<? extends Expression> expressions = sqlTuple.getExpressions();
-			int i = 0;
-			for ( ; i < expressions.size(); i++ ) {
-				Expression e = expressions.get( i );
-				if ( isFirst ) {
-					isFirst = false;
-				}
-				else {
-					appendSql( WHITESPACE );
-					appendSql( columnAliases.get( offset + i - 1 ) );
-					appendSql( ',' );
-				}
-				renderSelectExpression( e );
-			}
-			return i;
-		}
-		else {
-			renderSelectExpression( expression );
-			return 1;
-		}
-	}
-
 	protected void renderSelectExpression(Expression expression) {
 		renderExpressionAsClauseItem( expression );
 	}
@@ -5394,7 +5374,9 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 	}
 
 	protected void emulateQueryPartTableReferenceColumnAliasing(QueryPartTableReference tableReference) {
+		final boolean needsSelectAliases = this.needsSelectAliases;
 		final List<String> columnAliases = this.columnAliases;
+		this.needsSelectAliases = true;
 		this.columnAliases = tableReference.getColumnNames();
 		if ( tableReference.getQueryPart().isRoot() ) {
 			appendSql( OPEN_PARENTHESIS );
@@ -5404,6 +5386,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		else {
 			tableReference.getStatement().accept( this );
 		}
+		this.needsSelectAliases = needsSelectAliases;
 		this.columnAliases = columnAliases;
 		renderTableReferenceIdentificationVariable( tableReference );
 	}
@@ -5590,7 +5573,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 
 			// The following optimization only makes sense if the necessary features are supported natively
 			if ( ( columnReferences.size() == 1 || supportsRowValueConstructorSyntax() )
-					&& supportsDistinctFromPredicate() ) {
+					&& supportsRowValueConstructorDistinctFromSyntax() ) {
 				// Special case for limit 1 sub-queries to avoid double nested sub-query
 				// ... x(c) on x.c is not distinct from (... fetch first 1 rows only)
 				if ( isFetchFirstRowOnly( statement.getQueryPart() ) ) {
@@ -5604,7 +5587,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 
 			// Render with exists intersect sub-query if possible as that is shorter and more efficient
 			// ... x(c) on exists(select x.c intersect ...)
-			if ( supportsIntersect() ) {
+			if ( shouldEmulateLateralWithIntersect( statement.getQueryPart() ) ) {
 				final QuerySpec lhsReferencesQuery = new QuerySpec( false );
 				for ( ColumnReference columnReference : columnReferences ) {
 					lhsReferencesQuery.getSelectClause().addSqlSelection(
@@ -5698,7 +5681,14 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 
 			final List<Expression> subExpressions = new ArrayList<>( columnNames.size() );
 			for ( SqlSelection sqlSelection : querySpec.getSelectClause().getSqlSelections() ) {
-				subExpressions.add( sqlSelection.getExpression() );
+				final Expression selectionExpression = sqlSelection.getExpression();
+				final SqlTuple sqlTuple = SqlTupleContainer.getSqlTuple( selectionExpression );
+				if ( sqlTuple == null ) {
+					subExpressions.add( selectionExpression );
+				}
+				else {
+					subExpressions.addAll( sqlTuple.getExpressions() );
+				}
 			}
 			final QuerySpec existsQuery = new QuerySpec( false, querySpec.getFromClause().getRoots().size() );
 			existsQuery.getFromClause().getRoots().addAll( querySpec.getFromClause().getRoots() );
@@ -5804,11 +5794,11 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 					);
 				}
 				final ComparisonOperator comparisonOperator;
-				if ( sortSpecification.getSortOrder() == SortOrder.ASCENDING ) {
+				if ( sortSpecification.getSortOrder() == SortOrder.DESCENDING ) {
-					comparisonOperator = ComparisonOperator.LESS_THAN_OR_EQUAL;
+					comparisonOperator = ComparisonOperator.GREATER_THAN_OR_EQUAL;
 				}
 				else {
-					comparisonOperator = ComparisonOperator.GREATER_THAN_OR_EQUAL;
+					comparisonOperator = ComparisonOperator.LESS_THAN_OR_EQUAL;
 				}
 				countQuery.applyPredicate(
 						new Junction(
@@ -5868,6 +5858,10 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		return null;
 	}
 
+	protected boolean shouldEmulateLateralWithIntersect(QueryPart queryPart) {
+		return supportsIntersect();
+	}
+
 	private boolean isNullsFirst(SortSpecification sortSpecification) {
 		NullPrecedence nullPrecedence = sortSpecification.getNullPrecedence();
 		if ( nullPrecedence == null || nullPrecedence == NullPrecedence.NONE ) {
@@ -5966,7 +5960,7 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 
 	private boolean needsLateralSortExpressionVirtualSelections(QuerySpec querySpec) {
 		return !( ( querySpec.getSelectClause().getSqlSelections().size() == 1 || supportsRowValueConstructorSyntax() ) && supportsDistinctFromPredicate() && isFetchFirstRowOnly( querySpec ) )
-				&& !supportsIntersect()
+				&& !shouldEmulateLateralWithIntersect( querySpec )
 				&& !supportsNestedSubqueryCorrelation()
 				&& querySpec.hasOffsetOrFetchClause();
 	}
@@ -6273,12 +6267,23 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 
 	@Override
 	public void visitBinaryArithmeticExpression(BinaryArithmeticExpression arithmeticExpression) {
+		final BinaryArithmeticOperator operator = arithmeticExpression.getOperator();
+		if ( operator == BinaryArithmeticOperator.MODULO ) {
+			append( "mod" );
+			appendSql( OPEN_PARENTHESIS );
+			arithmeticExpression.getLeftHandOperand().accept( this );
+			appendSql( ',' );
+			arithmeticExpression.getRightHandOperand().accept( this );
+			appendSql( CLOSE_PARENTHESIS );
+		}
+		else {
 			appendSql( OPEN_PARENTHESIS );
 			arithmeticExpression.getLeftHandOperand().accept( this );
 			appendSql( arithmeticExpression.getOperator().getOperatorSqlTextString() );
 			arithmeticExpression.getRightHandOperand().accept( this );
 			appendSql( CLOSE_PARENTHESIS );
 		}
+	}
 
 	@Override
 	public void visitDuration(Duration duration) {
@@ -7285,6 +7290,9 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 			case GREATER_THAN:
 			case GREATER_THAN_OR_EQUAL:
 				return !supportsRowValueConstructorGtLtSyntax();
+			case DISTINCT_FROM:
+			case NOT_DISTINCT_FROM:
+				return !supportsRowValueConstructorDistinctFromSyntax();
 		}
 		return false;
 	}
@@ -7342,6 +7350,21 @@ public abstract class AbstractSqlAstTranslator<T extends JdbcOperation> implemen
 		return supportsRowValueConstructorSyntax();
 	}
 
+	/**
+	 * Is this dialect known to support what ANSI-SQL terms "row value
+	 * constructor" syntax; sometimes called tuple syntax with <code>is distinct from</code>
+	 * and <code>is not distinct from</code> operators.
+	 * <p/>
+	 * Basically, does it support syntax like
+	 * "... where (FIRST_NAME, LAST_NAME) is distinct from ('Steve', 'Ebersole') ...".
+	 *
+	 * @return True if this SQL dialect is known to support "row value
+	 * constructor" syntax with distinct from comparison operators; false otherwise.
+	 */
+	protected boolean supportsRowValueConstructorDistinctFromSyntax() {
+		return supportsRowValueConstructorSyntax() && supportsDistinctFromPredicate();
+	}
+
 	/**
 	 * Is this dialect known to support  what ANSI-SQL terms "row value constructor" syntax,
 	 * sometimes called tuple syntax, in the SET clause;

hibernate-core/src/main/java/org/hibernate/sql/ast/tree/select/SortSpecification.java

@@ -25,6 +25,9 @@ public class SortSpecification implements SqlAstNode {
 	}
 
 	public SortSpecification(Expression sortExpression, SortOrder sortOrder, NullPrecedence nullPrecedence) {
+		assert sortExpression != null;
+		assert sortOrder != null;
+		assert nullPrecedence != null;
 		this.sortExpression = sortExpression;
 		this.sortOrder = sortOrder;
 		this.nullPrecedence = nullPrecedence;

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/manytoone/NotNullManyToOneTest.java

@@ -12,6 +12,8 @@ import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.cfg.Configuration;
 import org.hibernate.cfg.beanvalidation.ValidationMode;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.junit.Test;
@@ -20,6 +22,7 @@ import org.junit.Test;
  * @author Andrea Boriero
  */
 @TestForIssue(jiraKey = "HHH-13959")
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class NotNullManyToOneTest extends BaseCoreFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/refcolnames/misc/Misc3Test.java

@@ -32,7 +32,7 @@ public class Misc3Test {
     @Table(name = "A")
     public static final class A {
         @Id
-        @GeneratedValue(strategy = GenerationType.IDENTITY)
+        @GeneratedValue
         private Long id;
         @Basic
         private String name;
@@ -42,7 +42,7 @@ public class Misc3Test {
     @Table(name = "B", uniqueConstraints = {@UniqueConstraint(columnNames = {"a_id", "uniqueName"})})
     public static final class B {
         @Id
-        @GeneratedValue(strategy = GenerationType.IDENTITY)
+        @GeneratedValue
         private Long id;
 
         @Basic
@@ -56,7 +56,7 @@ public class Misc3Test {
     @Table(name = "C", uniqueConstraints = {@UniqueConstraint(columnNames = {"a_id", "uniqueName"})})
     public static final class C {
         @Id
-        @GeneratedValue(strategy = GenerationType.IDENTITY)
+        @GeneratedValue
         private Long id;
 
         @Basic

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/uniqueconstraint/MySQLDropConstraintThrowsExceptionTest.java

@@ -121,7 +121,7 @@ public class MySQLDropConstraintThrowsExceptionTest {
 					.filter(
 							sql -> sql.toLowerCase().contains( "alter " )
 					).map( String::trim ).collect( Collectors.toList() );
-			if ( metadata.getDatabase().getDialect() instanceof MariaDBDialect ) {
+			if ( metadata.getDatabase().getDialect().supportsIfExistsAfterAlterTable() ) {
 				assertTrue( alterStatements.get( 0 ).matches( "alter table if exists CUSTOMER\\s+drop index .*?" ) );
 				assertTrue( alterStatements.get( 1 )
 									.matches( "alter table if exists CUSTOMER\\s+add constraint .*? unique \\(CUSTOMER_ID\\)" ) );

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/xml/ejb3/PreParsedOrmXmlTest.java

@@ -14,6 +14,8 @@ import org.hibernate.boot.jaxb.spi.Binding;
 import org.hibernate.boot.registry.BootstrapServiceRegistryBuilder;
 import org.hibernate.cfg.Configuration;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.junit.Test;
@@ -21,6 +23,7 @@ import org.junit.Test;
 import static org.assertj.core.api.Assertions.assertThat;
 
 @TestForIssue(jiraKey = {"HHH-14530", "HHH-14529"})
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class PreParsedOrmXmlTest extends BaseCoreFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/xml/hbm/PreParsedHbmXmlTest.java

@@ -13,6 +13,8 @@ import java.io.UncheckedIOException;
 import org.hibernate.boot.MetadataSources;
 import org.hibernate.boot.jaxb.spi.Binding;
 
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.orm.junit.BaseSessionFactoryFunctionalTest;
 import org.junit.jupiter.api.Test;
@@ -20,6 +22,7 @@ import org.junit.jupiter.api.Test;
 import static org.assertj.core.api.Assertions.assertThat;
 
 @TestForIssue(jiraKey = "HHH-14530")
+@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsIdentityColumns.class)
 public class PreParsedHbmXmlTest extends BaseSessionFactoryFunctionalTest {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/batch/BatchOptimisticLockingTest.java

@@ -17,19 +17,24 @@ import jakarta.persistence.Id;
 import jakarta.persistence.OptimisticLockException;
 import jakarta.persistence.Version;
 
+import org.hibernate.StaleObjectStateException;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.dialect.CockroachDialect;
+import org.hibernate.dialect.OracleDialect;
 
+import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
 import org.junit.Test;
 
 import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 /**
  * @author Vlad Mihalcea
  */
+@SkipForDialect(value = CockroachDialect.class, comment = "See https://hibernate.atlassian.net/browse/HHH-15668")
 public class BatchOptimisticLockingTest extends
 		BaseNonConfigCoreFunctionalTestCase {
 
@@ -101,6 +106,11 @@ public class BatchOptimisticLockingTest extends
 						expected.getMessage()
 				);
 			}
+			else if ( getDialect() instanceof OracleDialect && getDialect().getVersion().isBefore( 12 ) ) {
+				assertTrue(
+						expected.getCause() instanceof StaleObjectStateException
+				);
+			}
 			else {
 				assertEquals(
 						"Batch update returned unexpected row count from update [1]; actual row count: 0; expected: 1; statement executed: update Person set name=?, version=? where id=? and version=?",

hibernate-core/src/test/java/org/hibernate/orm/test/boot/database/qualfiedTableNaming/DefaultCatalogAndSchemaTest.java

@@ -55,6 +55,8 @@ import org.hibernate.tool.schema.spi.TargetDescriptor;
 
 import org.hibernate.testing.AfterClassOnce;
 import org.hibernate.testing.BeforeClassOnce;
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.jdbc.SharedDriverManagerConnectionProviderImpl;
 import org.hibernate.testing.junit4.CustomParameterized;
@@ -82,6 +84,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 @RunWith(CustomParameterized.class)
 @TestForIssue(jiraKey = { "HHH-14921", "HHH-14922", "HHH-15212" })
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class DefaultCatalogAndSchemaTest {
 
 	private static final String SQL_QUOTE_CHARACTER_CLASS = "([`\"]|\\[|\\])";

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/dirty/DirtyTrackingNotInDefaultFetchGroupPersistTest.java

@@ -13,6 +13,8 @@ import java.util.List;
 
 import org.hibernate.boot.SessionFactoryBuilder;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
 import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
@@ -42,6 +44,7 @@ import static org.junit.Assert.assertFalse;
  */
 @TestForIssue(jiraKey = "HHH-14360")
 @RunWith(BytecodeEnhancerRunner.class)
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class DirtyTrackingNotInDefaultFetchGroupPersistTest extends BaseNonConfigCoreFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/dirty/DirtyTrackingPersistTest.java

@@ -27,6 +27,8 @@ import jakarta.persistence.TemporalType;
 
 import org.hibernate.boot.SessionFactoryBuilder;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
 import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
@@ -41,6 +43,7 @@ import static org.junit.Assert.assertTrue;
  */
 @TestForIssue(jiraKey = "HHH-14360")
 @RunWith(BytecodeEnhancerRunner.class)
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class DirtyTrackingPersistTest extends BaseNonConfigCoreFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/lazy/proxy/inlinedirtychecking/LoadAndUpdateEntitiesWithCollectionsTest.java

@@ -19,6 +19,8 @@ import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.cfg.Environment;
 import org.hibernate.engine.spi.SessionImplementor;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
 import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
@@ -34,6 +36,7 @@ import static org.junit.Assert.assertThat;
 @TestForIssue(jiraKey = "HHH14424")
 @RunWith(BytecodeEnhancerRunner.class)
 @CustomEnhancementContext({ DirtyCheckEnhancementContext.class, NoDirtyCheckEnhancementContext.class })
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class LoadAndUpdateEntitiesWithCollectionsTest extends BaseNonConfigCoreFunctionalTestCase {
 
 	boolean skipTest;

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/lazy/proxy/inlinedirtychecking/dynamicupdate/DynamicUpdateAndCollectionsTest.java

@@ -19,6 +19,8 @@ import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.cfg.Environment;
 import org.hibernate.engine.spi.SessionImplementor;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
 import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
@@ -37,6 +39,7 @@ import static org.junit.Assert.assertThat;
 @TestForIssue(jiraKey = "HHH14424")
 @RunWith(BytecodeEnhancerRunner.class)
 @CustomEnhancementContext({ NoDirtyCheckEnhancementContext.class, DirtyCheckEnhancementContext.class })
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class DynamicUpdateAndCollectionsTest extends BaseNonConfigCoreFunctionalTestCase {
 
 	boolean skipTest;

hibernate-core/src/test/java/org/hibernate/orm/test/cut/CompositeUserTypeTest.java

@@ -226,7 +226,7 @@ public class CompositeUserTypeTest {
 					final Transaction t2 = new Transaction();
 					t2.setDescription( "bar" );
 					t2.setValue( new MonetoryAmount( new BigDecimal( 1000000 ), Currency.getInstance( "USD" ) ) );
-					t1.setTimestamp( new CompositeDateTime( 2014, 8, 22, 14, 23, 0 ) );
+					t2.setTimestamp( new CompositeDateTime( 2014, 8, 22, 14, 23, 0 ) );
 					session.persist( t2 );
 
 					final Transaction t3 = new Transaction();

hibernate-core/src/test/java/org/hibernate/orm/test/dialect/functional/OracleDialectSequenceInformationTest.java

@@ -17,6 +17,8 @@ import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
 import org.hibernate.testing.RequiresDialect;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.hibernate.testing.transaction.TransactionUtil;
+
 import org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorOracleDatabaseImpl;
 import org.hibernate.tool.schema.extract.spi.ExtractionContext;
 import org.hibernate.tool.schema.extract.spi.SequenceInformation;
@@ -70,9 +72,9 @@ public class OracleDialectSequenceInformationTest extends BaseNonConfigCoreFunct
 	}
 
 	private SequenceInformation fetchSequenceInformation(String sequenceName) throws SQLException {
-		try ( Connection connection = sessionFactory().getJdbcServices()
+		return TransactionUtil.doWithJDBC(
-				.getBootstrapJdbcConnectionAccess()
+				sessionFactory().getServiceRegistry(),
-				.obtainConnection() ) {
+				connection -> {
 					JdbcEnvironment jdbcEnvironment = sessionFactory().getJdbcServices().getJdbcEnvironment();
 					SequenceInformationExtractorOracleDatabaseImpl sequenceExtractor = SequenceInformationExtractorOracleDatabaseImpl.INSTANCE;
 					Iterable<SequenceInformation> sequenceInformations = sequenceExtractor.extractMetadata(
@@ -90,13 +92,20 @@ public class OracleDialectSequenceInformationTest extends BaseNonConfigCoreFunct
 							} );
 
 					// lets skip system sequences
-			Optional<SequenceInformation> foundSequence = StreamSupport.stream( sequenceInformations.spliterator(), false )
+					Optional<SequenceInformation> foundSequence = StreamSupport.stream(
-					.filter( sequence -> sequenceName.equals( sequence.getSequenceName().getSequenceName().getText().toUpperCase() ) )
+									sequenceInformations.spliterator(),
+									false
+							)
+							.filter( sequence -> sequenceName.equals( sequence.getSequenceName()
+																			  .getSequenceName()
+																			  .getText()
+																			  .toUpperCase() ) )
 							.findFirst();
 
 					assertTrue( sequenceName + " not found", foundSequence.isPresent() );
 
 					return foundSequence.get();
 				}
+		);
 	}
 }

hibernate-core/src/test/java/org/hibernate/orm/test/hql/DB297SubStringFunctionsTest.java

@@ -11,6 +11,7 @@ import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
 import jakarta.persistence.PersistenceException;
 
+import org.hibernate.QueryException;
 import org.hibernate.cfg.Configuration;
 import org.hibernate.cfg.Environment;
 import org.hibernate.dialect.DB2Dialect;
@@ -115,8 +116,6 @@ public class DB297SubStringFunctionsTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-11957")
 	public void testSubstrWithStringUnits() {
 
-		mostRecentStatementInspector.clear();
-
 		try {
 			doInHibernate(
 					this::sessionFactory, session -> {
@@ -129,12 +128,9 @@ public class DB297SubStringFunctionsTest extends BaseCoreFunctionalTestCase {
 			);
 			fail( "Should have failed because substr cannot be used with string units." );
 		}
-		catch (PersistenceException expected) {
+		catch (IllegalArgumentException expected) {
-			assertTrue( SQLGrammarException.class.isInstance( expected.getCause() ) );
+			assertTrue( QueryException.class.isInstance( expected.getCause() ) );
 		}
-
-		assertTrue( mostRecentStatementInspector.mostRecentSql.contains( "substr(" ) );
-		assertTrue( mostRecentStatementInspector.mostRecentSql.contains( "octets" ) );
 	}
 
 	@Test

hibernate-core/src/test/java/org/hibernate/orm/test/idgen/identity/hhh9983/SaveEntityTest.java

@@ -15,8 +15,10 @@ import jakarta.persistence.Table;
 import org.hibernate.dialect.OracleDialect;
 
 import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
 import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.RequiresDialect;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.junit.jupiter.api.Test;
@@ -27,6 +29,7 @@ import org.junit.jupiter.api.Test;
  */
 @TestForIssue(jiraKey = "HHH-9983")
 @RequiresDialect( OracleDialect.class )
+@RequiresDialectFeature( feature = DialectFeatureChecks.SupportsIdentityColumns.class )
 @DomainModel( annotatedClasses = SaveEntityTest.Company.class )
 @SessionFactory
 public class SaveEntityTest {

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/orphan/onetomany/PersistAndQueryingInSameTransactionTest.java

@@ -8,7 +8,9 @@ import org.hibernate.annotations.Cascade;
 import org.hibernate.annotations.CascadeType;
 
 import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
 import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.junit.jupiter.api.AfterEach;
@@ -35,6 +37,7 @@ import static org.hamcrest.Matchers.notNullValue;
 )
 @SessionFactory
 @TestForIssue(jiraKey = "HHH-15512")
+@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsIdentityColumns.class)
 public class PersistAndQueryingInSameTransactionTest {
 
 	@AfterEach

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/query/NativeQueryResultTypeAutoDiscoveryTest.java

@@ -32,11 +32,13 @@ import org.hibernate.dialect.DerbyDialect;
 import org.hibernate.dialect.Dialect;
 import org.hibernate.dialect.H2Dialect;
 import org.hibernate.dialect.HSQLDialect;
+import org.hibernate.dialect.MariaDBDialect;
 import org.hibernate.dialect.MySQLDialect;
 import org.hibernate.dialect.OracleDialect;
 import org.hibernate.dialect.PostgreSQLDialect;
 import org.hibernate.dialect.PostgresPlusDialect;
 import org.hibernate.dialect.SybaseDialect;
+import org.hibernate.dialect.TiDBDialect;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl;
 import org.hibernate.jpa.boot.spi.Bootstrap;
@@ -51,7 +53,7 @@ import org.hibernate.type.descriptor.jdbc.NumericJdbcType;
 import org.hibernate.type.descriptor.jdbc.RealJdbcType;
 
 import org.hibernate.testing.RequiresDialect;
-import org.hibernate.testing.SkipForDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.CustomRunner;
 import org.hibernate.testing.orm.jpa.PersistenceUnitDescriptorAdapter;
@@ -97,7 +99,7 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value=OracleDialect.class, comment="Oracle maps integer types to number")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle maps integer types to number")
 	public void smallintType() {
 		createEntityManagerFactory(SmallintEntity.class);
 		doTest( SmallintEntity.class, (short)32767 );
@@ -121,56 +123,61 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value = SybaseDialect.class, comment = "No support for the bit datatype so we use tinyint")
+	@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true, reason = "No support for the bit datatype so we use tinyint")
-	@SkipForDialect(value = OracleDialect.class, comment = "No support for the bit datatype so we use number(1,0)")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "No support for the bit datatype so we use number(1,0)")
+	@SkipForDialect(dialectClass = DB2Dialect.class, majorVersion = 10, reason = "No support for the bit datatype so we use smallint")
 	public void booleanType() {
 		createEntityManagerFactory( BooleanEntity.class );
 		doTest( BooleanEntity.class, true );
 	}
 
 	@Test
-	@SkipForDialect(value = SybaseDialect.class, comment = "No support for the bit datatype so we use tinyint")
+	@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true, reason = "No support for the bit datatype so we use tinyint")
-	@SkipForDialect(value = OracleDialect.class, comment = "No support for the bit datatype so we use number(1,0)")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "No support for the bit datatype so we use number(1,0)")
+	@SkipForDialect(dialectClass = DB2Dialect.class, majorVersion = 10, reason = "No support for the bit datatype so we use smallint")
 	public void bitType() {
 		createEntityManagerFactory( BitEntity.class );
 		doTest( BitEntity.class, false );
 	}
 
 	@Test
-	@SkipForDialect(value = PostgreSQLDialect.class, comment = "Turns tinyints into shorts in result sets and advertises the type as short in the metadata")
+	@SkipForDialect(dialectClass = PostgreSQLDialect.class, reason = "Turns tinyints into shorts in result sets and advertises the type as short in the metadata")
-	@SkipForDialect(value = CockroachDialect.class, comment = "Turns tinyints into shorts in result sets and advertises the type as short in the metadata")
+	@SkipForDialect(dialectClass = PostgresPlusDialect.class, reason = "Turns tinyints into shorts in result sets and advertises the type as short in the metadata")
-	@SkipForDialect(value = DerbyDialect.class, comment = "No support for the tinyint datatype so we use smallint")
+	@SkipForDialect(dialectClass = CockroachDialect.class, reason = "Turns tinyints into shorts in result sets and advertises the type as short in the metadata")
-	@SkipForDialect(value = DB2Dialect.class, comment = "No support for the tinyint datatype so we use smallint")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "No support for the tinyint datatype so we use smallint")
-	@SkipForDialect(value = AbstractTransactSQLDialect.class, comment = "No support for the tinyint datatype so we use smallint")
+	@SkipForDialect(dialectClass = DB2Dialect.class, reason = "No support for the tinyint datatype so we use smallint")
-	@SkipForDialect(value = AbstractHANADialect.class, comment = "No support for the tinyint datatype so we use smallint")
+	@SkipForDialect(dialectClass = AbstractTransactSQLDialect.class, matchSubTypes = true, reason = "No support for the tinyint datatype so we use smallint")
-	@SkipForDialect(value = OracleDialect.class, comment="Oracle maps tinyint to number")
+	@SkipForDialect(dialectClass = AbstractHANADialect.class, matchSubTypes = true, reason = "No support for the tinyint datatype so we use smallint")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle maps tinyint to number")
 	public void tinyintType() {
 		createEntityManagerFactory( TinyintEntity.class );
 		doTest( TinyintEntity.class, (byte)127 );
 	}
 
 	@Test
-	@SkipForDialect(value = H2Dialect.class, comment = "Turns floats into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = H2Dialect.class, reason = "Turns floats into doubles in result sets and advertises the type as double in the metadata")
-	@SkipForDialect(value = HSQLDialect.class, comment = "Turns floats into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = HSQLDialect.class, reason = "Turns floats into doubles in result sets and advertises the type as double in the metadata")
 	public void floatType() {
 		createEntityManagerFactory( FloatEntity.class );
 		doTest( FloatEntity.class, 15516.125f );
 	}
 
 	@Test
-	@SkipForDialect(value = MySQLDialect.class, comment = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = MySQLDialect.class, reason = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
-	@SkipForDialect(value = HSQLDialect.class, comment = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = MariaDBDialect.class, reason = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = TiDBDialect.class, reason = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
+	@SkipForDialect(dialectClass = HSQLDialect.class, reason = "Turns reals into doubles in result sets and advertises the type as double in the metadata")
 	public void realType() {
 		createEntityManagerFactory( RealEntity.class );
 		doTest( RealEntity.class, 15516.125f );
 	}
 
 	@Test
-	@SkipForDialect(value = DerbyDialect.class, comment = "Value is too big for the maximum allowed precision of Derby")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "Value is too big for the maximum allowed precision of Derby")
-	@SkipForDialect(value = DB2Dialect.class, comment = "Value is too big for the maximum allowed precision of DB2")
+	@SkipForDialect(dialectClass = DB2Dialect.class, reason = "Value is too big for the maximum allowed precision of DB2")
-	@SkipForDialect(value = OracleDialect.class, comment = "Value is too big for the maximum allowed precision of Oracle")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Value is too big for the maximum allowed precision of Oracle")
-	@SkipForDialect(value = AbstractTransactSQLDialect.class, comment = "Value is too big for the maximum allowed precision of SQL Server and Sybase")
+	@SkipForDialect(dialectClass = AbstractTransactSQLDialect.class, matchSubTypes = true, reason = "Value is too big for the maximum allowed precision of SQL Server and Sybase")
-	@SkipForDialect(value = AbstractHANADialect.class, comment = "Value is too big for the maximum allowed precision of HANA")
+	@SkipForDialect(dialectClass = AbstractHANADialect.class, matchSubTypes = true, reason = "Value is too big for the maximum allowed precision of HANA")
 	public void numericType() {
 		createEntityManagerFactory(
 				NumericEntity.class
@@ -179,11 +186,11 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value = DerbyDialect.class, comment = "Value is too big for the maximum allowed precision of Derby")
+	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "Value is too big for the maximum allowed precision of Derby")
-	@SkipForDialect(value = DB2Dialect.class, comment = "Value is too big for the maximum allowed precision of DB2")
+	@SkipForDialect(dialectClass = DB2Dialect.class, reason = "Value is too big for the maximum allowed precision of DB2")
-	@SkipForDialect(value = OracleDialect.class, comment = "Value is too big for the maximum allowed precision of Oracle")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Value is too big for the maximum allowed precision of Oracle")
-	@SkipForDialect(value = AbstractTransactSQLDialect.class, comment = "Value is too big for the maximum allowed precision of SQL Server and Sybase")
+	@SkipForDialect(dialectClass = AbstractTransactSQLDialect.class, matchSubTypes = true, reason = "Value is too big for the maximum allowed precision of SQL Server and Sybase")
-	@SkipForDialect(value = AbstractHANADialect.class, comment = "Value is too big for the maximum allowed precision of HANA")
+	@SkipForDialect(dialectClass = AbstractHANADialect.class, matchSubTypes = true, reason = "Value is too big for the maximum allowed precision of HANA")
 	public void decimalType() {
 		createEntityManagerFactory( DecimalEntity.class );
 		doTest( DecimalEntity.class, new BigDecimal( "5464384284258458485484848458.48465843584584684" )  );
@@ -201,10 +208,10 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value = OracleDialect.class, comment = "Oracle maps LONGVARCHAR to CLOB")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle maps LONGVARCHAR to CLOB")
-	@SkipForDialect(value = DB2Dialect.class, comment = "DB2 maps LONGVARCHAR to CLOB")
+	@SkipForDialect(dialectClass = DB2Dialect.class, reason = "DB2 maps LONGVARCHAR to CLOB")
-	@SkipForDialect(value = SybaseDialect.class, comment = "Sybase maps LONGVARCHAR to CLOB")
+	@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true, reason = "Sybase maps LONGVARCHAR to CLOB")
-	@SkipForDialect(value = AbstractHANADialect.class, comment = "HANA maps LONGVARCHAR to CLOB")
+	@SkipForDialect(dialectClass = AbstractHANADialect.class, matchSubTypes = true, reason = "HANA maps LONGVARCHAR to CLOB")
 	public void longCharType() {
 		createEntityManagerFactory(
 				LongvarcharEntity.class
@@ -239,10 +246,10 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value = OracleDialect.class, comment = "Oracle maps LONGVARBINARY to BLOB")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle maps LONGVARBINARY to BLOB")
-	@SkipForDialect(value = DB2Dialect.class, comment = "DB2 maps LONGVARBINARY to BLOB")
+	@SkipForDialect(dialectClass = DB2Dialect.class, reason = "DB2 maps LONGVARBINARY to BLOB")
-	@SkipForDialect(value = SybaseDialect.class, comment = "Sybase maps LONGVARBINARY to BLOB")
+	@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true, reason = "Sybase maps LONGVARBINARY to BLOB")
-	@SkipForDialect(value = AbstractHANADialect.class, comment = "HANA maps LONGVARCHAR to BLOB")
+	@SkipForDialect(dialectClass = AbstractHANADialect.class, matchSubTypes = true, reason = "HANA maps LONGVARCHAR to BLOB")
 	public void longBinaryType() {
 		createEntityManagerFactory(
 				LongvarbinaryEntity.class
@@ -273,8 +280,8 @@ public class NativeQueryResultTypeAutoDiscoveryTest {
 	}
 
 	@Test
-	@SkipForDialect(value = OracleDialect.class, comment = "Oracle maps DATE and TIME to TIMESTAMP")
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle maps DATE and TIME to TIMESTAMP")
-	@SkipForDialect(value = PostgresPlusDialect.class, comment = "EDB maps DATE and TIME to TIMESTAMP")
+	@SkipForDialect(dialectClass = PostgresPlusDialect.class, reason = "EDB maps DATE and TIME to TIMESTAMP")
 	public void dateTimeTypes() {
 		createEntityManagerFactory(
 				DateEntity.class,

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/generated/always/GeneratedAlwaysTest.java

@@ -5,6 +5,7 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
 import org.hibernate.annotations.GeneratedColumn;
 import org.hibernate.dialect.DerbyDialect;
+import org.hibernate.dialect.H2Dialect;
 import org.hibernate.dialect.HSQLDialect;
 import org.hibernate.dialect.PostgreSQLDialect;
 import org.hibernate.dialect.SybaseASEDialect;
@@ -24,6 +25,7 @@ import static org.junit.Assert.assertEquals;
  */
 @DomainModel(annotatedClasses = GeneratedAlwaysTest.OrderLine.class)
 @SessionFactory
+@SkipForDialect(dialectClass = H2Dialect.class, majorVersion = 1) // 'generated always' was added in 2.0
 @SkipForDialect(dialectClass = HSQLDialect.class)
 @SkipForDialect(dialectClass = DerbyDialect.class)
 @SkipForDialect(dialectClass = SybaseASEDialect.class)

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/naturalid/immutable/IdentityGeneratorWithNaturalIdCacheTest.java

@@ -18,10 +18,10 @@ import org.hibernate.annotations.NaturalIdCache;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.stat.spi.StatisticsImplementor;
 
-import org.hibernate.testing.DialectChecks;
-import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
 import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.ServiceRegistry;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
@@ -38,7 +38,6 @@ import static org.hamcrest.MatcherAssert.assertThat;
  * @author Alex Burgel
  */
 @TestForIssue( jiraKey = "HHH-11330" )
-@RequiresDialectFeature( value = DialectChecks.SupportsIdentityColumns.class )
 @ServiceRegistry(
 		settings = {
 				@Setting( name = AvailableSettings.GENERATE_STATISTICS, value = "true" ),
@@ -47,6 +46,7 @@ import static org.hamcrest.MatcherAssert.assertThat;
 )
 @DomainModel( annotatedClasses = IdentityGeneratorWithNaturalIdCacheTest.Person.class )
 @SessionFactory
+@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsIdentityColumns.class)
 public class IdentityGeneratorWithNaturalIdCacheTest {
 	@BeforeEach
 	public void prepareTestData(SessionFactoryScope scope) {

hibernate-core/src/test/java/org/hibernate/orm/test/pagination/SubqueryPaginationTest.java

@@ -8,6 +8,9 @@ package org.hibernate.orm.test.pagination;
 
 import java.util.List;
 
+import org.hibernate.dialect.DB2Dialect;
+import org.hibernate.dialect.OracleDialect;
+
 import org.hibernate.testing.orm.domain.StandardDomainModel;
 import org.hibernate.testing.orm.domain.gambit.EntityOfLists;
 import org.hibernate.testing.orm.domain.gambit.EnumValue;
@@ -18,6 +21,7 @@ import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.ServiceRegistry;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -69,6 +73,7 @@ public class SubqueryPaginationTest {
     }
 
     @Test
+    @SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "Generates nested correlated subquery which is not supported in that version")
     public void testLimitInSubquery(SessionFactoryScope scope) {
         scope.inSession(
                 session -> {
@@ -83,6 +88,8 @@ public class SubqueryPaginationTest {
 
     @Test
     @RequiresDialectFeature(feature = DialectFeatureChecks.SupportsOffsetInSubquery.class)
+    @SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "Generates nested correlated subquery which is not supported in that version")
+    @SkipForDialect(dialectClass = DB2Dialect.class, majorVersion = 10, reason = "Generates nested correlated subquery which is not supported in that version")
     public void testLimitAndOffsetInSubquery(SessionFactoryScope scope) {
         scope.inSession(
                 session -> {

hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/internal/hhh11877/HHH111877Test.java

@@ -7,6 +7,8 @@ import jakarta.persistence.criteria.Root;
 
 import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.junit.Test;
 
@@ -17,6 +19,7 @@ import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
  * @author Nathan Xu
  */
 @TestForIssue( jiraKey = "HHH-11877" )
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class HHH111877Test extends BaseEntityManagerFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/internal/hhh14197/HHH14197Test.java

@@ -9,6 +9,8 @@ import jakarta.persistence.criteria.Subquery;
 
 import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.junit.Test;
 
@@ -19,6 +21,7 @@ import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
  * @author Nathan Xu
  */
 @TestForIssue( jiraKey = "HHH-14197" )
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class HHH14197Test extends BaseEntityManagerFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/internal/hhh14916/HHH14916Test.java

@@ -1,8 +1,10 @@
 package org.hibernate.orm.test.query.criteria.internal.hhh14916;
 
 import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
 import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
 import org.hibernate.testing.orm.junit.Jpa;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -19,6 +21,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 @Jpa(
 		annotatedClasses = { Author.class, Book.class, Chapter.class }
 )
+@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsIdentityColumns.class)
 public class HHH14916Test {
 
 	@BeforeEach

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/FunctionTests.java

@@ -42,6 +42,7 @@ import org.hamcrest.Matchers;
 
 import static org.hamcrest.CoreMatchers.*;
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.isOneOf;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
@@ -1437,7 +1438,7 @@ public class FunctionTests {
 							.list();
 					assertThat(
 							session.createQuery("select format(theTime as '''Hello'', hh:mm:ss a') from EntityOfBasics where id=123").getResultList().get(0),
-							is("Hello, 08:10:08 PM")
+							isOneOf( "Hello, 08:10:08 PM", "Hello, 08:10:08 pm" )
 					);
 				}
 		);

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/StandardFunctionTests.java

@@ -14,6 +14,7 @@ import java.time.LocalTime;
 
 import org.hibernate.dialect.CockroachDialect;
 
+import org.hamcrest.Matchers;
 import org.hamcrest.number.IsCloseTo;
 import org.hibernate.testing.orm.domain.StandardDomainModel;
 import org.hibernate.testing.orm.domain.gambit.EntityOfBasics;
@@ -30,6 +31,7 @@ import org.junit.jupiter.api.Test;
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.isOneOf;
 
 /**
  * @author Steve Ebersole
@@ -924,7 +926,7 @@ public class StandardFunctionTests {
 											"select format(e.theTime as '''Hello'', hh:mm:ss a') from EntityOfBasics e" )
 									.getResultList()
 									.get( 0 ),
-							is( "Hello, 08:10:08 PM" )
+							isOneOf( "Hello, 08:10:08 PM", "Hello, 08:10:08 pm" )
 					);
 				}
 		);

hibernate-core/src/test/java/org/hibernate/orm/test/schemafilter/RecordingTarget.java

@@ -11,9 +11,9 @@ import org.hibernate.tool.schema.internal.exec.GenerationTarget;
 class RecordingTarget implements GenerationTarget {
 	public enum Category {
 		SCHEMA_CREATE( Pattern.compile( "create schema (.*)" ) ),
-		SCHEMA_DROP( Pattern.compile( "drop schema (.*)" ) ),
+		SCHEMA_DROP( Pattern.compile( "drop schema(?: if exists)? (.*)" ) ),
 		TABLE_CREATE( Pattern.compile( "create table (\\S+) .*" ) ),
-		TABLE_DROP( Pattern.compile( "drop table (.*)" ) ),
+		TABLE_DROP( Pattern.compile( "drop table(?: if exists)? (.*)" ) ),
 		SEQUENCE_CREATE(Pattern.compile( "create sequence (.*) start (.*)" )),
 		SEQUENCE_DROP(Pattern.compile( "drop sequence if exists (.*)" ));
 

hibernate-envers/src/test/java/org/hibernate/envers/test/integration/manytoone/lazy/ManyToOneLazyDeleteTest.java

@@ -10,6 +10,8 @@ import org.hibernate.envers.configuration.EnversSettings;
 import org.hibernate.orm.test.envers.BaseEnversFunctionalTestCase;
 import org.hibernate.orm.test.envers.Priority;
 import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.junit.Test;
 
 import java.time.Duration;
@@ -27,6 +29,7 @@ import static org.junit.Assert.assertEquals;
  * @author Luke Chen
  */
 @TestForIssue(jiraKey = "HHH-13945")
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class ManyToOneLazyDeleteTest extends BaseEnversFunctionalTestCase {
     private Long shipmentId;
     private User user;

hibernate-envers/src/test/java/org/hibernate/envers/test/integration/manytoone/lazy/ManyToOneLazyFetchTest.java

@@ -15,6 +15,8 @@ import org.hibernate.orm.test.envers.BaseEnversFunctionalTestCase;
 import org.hibernate.orm.test.envers.Priority;
 import org.junit.Test;
 
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 
 import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
@@ -27,6 +29,7 @@ import static org.junit.Assert.assertEquals;
  * @author Chris Cranford
  */
 @TestForIssue(jiraKey = "HHH-13760")
+@RequiresDialectFeature(DialectChecks.SupportsIdentityColumns.class)
 public class ManyToOneLazyFetchTest extends BaseEnversFunctionalTestCase {
     private Long shipmentId;
 

hibernate-envers/src/test/java/org/hibernate/envers/test/integration/query/OrderByLimitQuery.java

@@ -20,7 +20,6 @@ import org.junit.Test;
 /**
  * @author Adam Warski (adam at warski dot org)
  */
-@SuppressWarnings("unchecked")
 public class OrderByLimitQuery extends BaseEnversJPAFunctionalTestCase {
 	private Integer id1;
 	private Integer id2;

hibernate-hikaricp/src/main/java/org/hibernate/hikaricp/internal/HikariCPConnectionProvider.java

@@ -117,6 +117,9 @@ public class HikariCPConnectionProvider implements ConnectionProvider, Configura
 
 	@Override
 	public void stop() {
+		HikariDataSource hds = this.hds;
+		if ( hds != null ) {
 			hds.close();
 		}
+	}
 }

hibernate-hikaricp/src/test/resources/hibernate.properties

@@ -17,5 +17,3 @@ hibernate.connection.provider_class HikariCPConnectionProvider
 hibernate.hikari.poolName testPool
 # Purposefully low and simplisitic.
 hibernate.hikari.maximumPoolSize 2
-hibernate.hikari.connectionTimeout 1000
-hibernate.hikari.idleTimeout 3000

hibernate-spatial/hibernate-spatial.gradle

@@ -40,16 +40,16 @@ sourceSets.test.resources {
 
 tasks.test {
 
-	enabled = ['pgsql',
+	enabled = ['h2',
-			   'h2',
+			   'pgsql',
 			   'pgsql_ci',
 			   'cockroachdb',
 			   'mariadb',
+			   'mariadb_ci',
+			   'mysql',
 			   'mysql_ci',
-			   'mysql_docker',
+			   'oracle',
-			   'oracle_docker',
 			   'oracle_ci',
-			   'oracle_rds',
 			   'mssql',
 			   'mssql_ci'
 	].contains( project.db )

hibernate-spatial/src/test/java/org/hibernate/spatial/dialect/oracle/OracleSQLMMFunctionTests.java

@@ -22,6 +22,7 @@ import org.hibernate.spatial.testing.dialects.oracle.OracleSTNativeSqlTemplates;
 import org.hibernate.testing.orm.junit.RequiresDialect;
 import org.hibernate.testing.orm.junit.ServiceRegistry;
 import org.hibernate.testing.orm.junit.Setting;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 
 /**
  * Only for Oracle: run the tests in "OGC_STRICT" mode (i.e. using the SQL MultiMedia functions)
@@ -30,6 +31,8 @@ import org.hibernate.testing.orm.junit.Setting;
 @ServiceRegistry(settings = {
 		@Setting(name = HibernateSpatialConfigurationSettings.ORACLE_OGC_STRICT, value = "true")
 })
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 21, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
 public class OracleSQLMMFunctionTests extends CommonFunctionTests {
 	public OracleSQLMMFunctionTests() {
 		this.templates = new OracleSTNativeSqlTemplates();

hibernate-spatial/src/test/java/org/hibernate/spatial/integration/functions/CommonFunctionTests.java

@@ -20,6 +20,7 @@ import java.util.Locale;
 import java.util.Objects;
 import java.util.stream.Stream;
 
+import org.hibernate.dialect.OracleDialect;
 import org.hibernate.spatial.integration.Model;
 import org.hibernate.spatial.testing.IsSupportedBySpatial;
 import org.hibernate.spatial.testing.SpatialTestBase;
@@ -27,6 +28,7 @@ import org.hibernate.spatial.testing.datareader.TestSupport;
 
 import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.DynamicTest;
 import org.junit.jupiter.api.TestFactory;
 import org.junit.jupiter.api.function.Executable;
@@ -49,6 +51,8 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 @SuppressWarnings("rawtypes")
 @RequiresDialectFeature(feature = IsSupportedBySpatial.class)
 @SessionFactory
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 21, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
 public class CommonFunctionTests extends SpatialTestBase {
 
 	public final static TestSupport.TestDataPurpose PURPOSE = TestSupport.TestDataPurpose.SpatialFunctionsData;

hibernate-spatial/src/test/java/org/hibernate/spatial/integration/functions/TestGeometryConstructionWithParameter.java

@@ -12,6 +12,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Stream;
 
+import org.hibernate.dialect.OracleDialect;
 import org.hibernate.dialect.SQLServerDialect;
 import org.hibernate.engine.spi.SessionImplementor;
 import org.hibernate.spatial.CommonSpatialFunction;
@@ -22,12 +23,14 @@ import org.hibernate.spatial.testing.domain.GeomEntity;
 
 import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.DynamicTest;
 import org.junit.jupiter.api.TestFactory;
 import org.junit.jupiter.api.function.Executable;
 
 @RequiresDialectFeature(feature = IsSupportedBySpatial.class)
 @SessionFactory
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
 public class TestGeometryConstructionWithParameter extends SpatialTestBase {
 
 	final private Map<CommonSpatialFunction, String> templates = new HashMap<>();

hibernate-spatial/src/test/java/org/hibernate/spatial/integration/predicates/PredicateSmokeTest.java

@@ -9,6 +9,7 @@ package org.hibernate.spatial.integration.predicates;
 
 import java.util.List;
 
+import org.hibernate.dialect.OracleDialect;
 import org.hibernate.spatial.predicate.GeolatteSpatialPredicates;
 import org.hibernate.spatial.testing.IsSupportedBySpatial;
 import org.hibernate.spatial.testing.SpatialSessionFactoryAware;
@@ -18,6 +19,7 @@ import org.hibernate.spatial.testing.domain.SpatialDomainModel;
 import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.Test;
 
 import jakarta.persistence.criteria.CriteriaBuilder;
@@ -34,6 +36,7 @@ import static org.geolatte.geom.crs.CoordinateReferenceSystems.WGS84;
 @DomainModel(modelDescriptorClasses = SpatialDomainModel.class)
 @SessionFactory
 @RequiresDialectFeature(feature = IsSupportedBySpatial.class)
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
 public class PredicateSmokeTest extends SpatialSessionFactoryAware {
 
 	Polygon<G2D> poly = polygon(

hibernate-spatial/src/test/java/org/hibernate/spatial/integration/predicates/SpatialPredicatesTestInlineMode.java

@@ -10,6 +10,7 @@ package org.hibernate.spatial.integration.predicates;
 import java.util.stream.Stream;
 
 import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.dialect.OracleDialect;
 import org.hibernate.spatial.HibernateSpatialConfigurationSettings;
 import org.hibernate.spatial.testing.IsSupportedBySpatial;
 import org.hibernate.spatial.testing.dialects.PredicateRegexes;
@@ -18,6 +19,7 @@ import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 import org.hibernate.testing.orm.junit.ServiceRegistry;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.Setting;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 
 @RequiresDialectFeature(feature = IsSupportedBySpatial.class)
 @ServiceRegistry(settings = {
@@ -25,6 +27,7 @@ import org.hibernate.testing.orm.junit.Setting;
 		@Setting(name = HibernateSpatialConfigurationSettings.ORACLE_OGC_STRICT, value = "true")
 })
 @SessionFactory
+@SkipForDialect(dialectClass = OracleDialect.class, majorVersion = 11, reason = "See https://hibernate.atlassian.net/browse/HHH-15669")
 public class SpatialPredicatesTestInlineMode extends SpatialPredicatesTest{
 	@Override
 	public Stream<PredicateRegexes.PredicateRegex> getTestRegexes() {

hibernate-testing/src/main/java/org/hibernate/testing/junit4/CustomRunner.java

@@ -26,9 +26,13 @@ import org.hibernate.testing.Skip;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.SkipForDialects;
 import org.hibernate.testing.orm.junit.DialectContext;
+import org.hibernate.testing.orm.junit.DialectFilterExtension;
+import org.hibernate.testing.orm.junit.SkipForDialectGroup;
+import org.hibernate.testing.orm.junit.TestingUtil;
 import org.junit.BeforeClass;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.jupiter.api.extension.ConditionEvaluationResult;
 import org.junit.runner.manipulation.NoTestsRemainException;
 import org.junit.runner.notification.RunNotifier;
 import org.junit.runners.BlockJUnit4ClassRunner;
@@ -264,6 +268,48 @@ public class CustomRunner extends BlockJUnit4ClassRunner {
 			}
 		}
 
+		for ( org.hibernate.testing.orm.junit.SkipForDialect effectiveSkipForDialect : Helper.collectAnnotations(
+				org.hibernate.testing.orm.junit.SkipForDialect.class, SkipForDialectGroup.class, frameworkMethod, getTestClass()
+		) ) {
+			final boolean versionsMatch;
+			final int matchingMajorVersion = effectiveSkipForDialect.majorVersion();
+
+			if ( matchingMajorVersion >= 0 ) {
+				versionsMatch = DialectFilterExtension.versionsMatch(
+						matchingMajorVersion,
+						effectiveSkipForDialect.minorVersion(),
+						effectiveSkipForDialect.microVersion(),
+						dialect,
+						effectiveSkipForDialect.matchSubTypes()
+				);
+
+				if ( versionsMatch ) {
+					if ( effectiveSkipForDialect.matchSubTypes() ) {
+						if ( effectiveSkipForDialect.dialectClass().isInstance( dialect ) ) {
+							return buildIgnore( effectiveSkipForDialect );
+						}
+					}
+					else {
+						if ( effectiveSkipForDialect.dialectClass().equals( dialect.getClass() ) ) {
+							return buildIgnore( effectiveSkipForDialect );
+						}
+					}
+				}
+			}
+			else {
+				if ( effectiveSkipForDialect.matchSubTypes() ) {
+					if ( effectiveSkipForDialect.dialectClass().isInstance( dialect ) ) {
+						return buildIgnore( effectiveSkipForDialect );
+					}
+				}
+				else {
+					if ( effectiveSkipForDialect.dialectClass().equals( dialect.getClass() ) ) {
+						return buildIgnore( effectiveSkipForDialect );
+					}
+				}
+			}
+		}
+
 
 		// @RequiresDialects & @RequiresDialect
 		final List<RequiresDialect> requiresDialects = Helper.collectAnnotations(
@@ -328,6 +374,10 @@ public class CustomRunner extends BlockJUnit4ClassRunner {
 		return buildIgnore( "@SkipForDialect match", skip.comment(), skip.jiraKey() );
 	}
 
+	private Ignore buildIgnore(org.hibernate.testing.orm.junit.SkipForDialect skip) {
+		return buildIgnore( "@SkipForDialect match", skip.reason(), null );
+	}
+
 	private Ignore buildIgnore(String reason, String comment, String jiraKey) {
 		return new IgnoreImpl( getIgnoreMessage( reason, comment, jiraKey ) );
 	}

hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/DialectFeatureChecks.java

@@ -396,7 +396,7 @@ abstract public class DialectFeatureChecks {
 					|| dialect instanceof PostgreSQLDialect
 					|| dialect instanceof AbstractHANADialect
 					|| dialect instanceof CockroachDialect
-					|| dialect instanceof DB2Dialect
+					|| dialect instanceof DB2Dialect && ( (DB2Dialect) dialect ).getDB2Version().isSameOrAfter( 11 )
 					|| dialect instanceof OracleDialect
 					|| dialect instanceof SpannerDialect
 					|| dialect instanceof SQLServerDialect;
@@ -409,7 +409,7 @@ abstract public class DialectFeatureChecks {
 					|| dialect instanceof PostgreSQLDialect
 					|| dialect instanceof AbstractHANADialect
 					|| dialect instanceof CockroachDialect
-					|| dialect instanceof DB2Dialect
+					|| dialect instanceof DB2Dialect && ( (DB2Dialect) dialect ).getDB2Version().isSameOrAfter( 11 )
 					|| dialect instanceof OracleDialect
 					|| dialect instanceof SpannerDialect
 					|| dialect instanceof SQLServerDialect;
@@ -451,7 +451,8 @@ abstract public class DialectFeatureChecks {
 		public boolean apply(Dialect dialect) {
 			return !( dialect instanceof MySQLDialect
 					|| dialect instanceof SybaseDialect
-					|| dialect instanceof DerbyDialect )
+					|| dialect instanceof DerbyDialect
+					|| dialect instanceof DB2Dialect && ( (DB2Dialect) dialect ).getDB2Version().isBefore( 11 ) )
 				|| dialect instanceof MariaDBDialect;
 		}
 	}

hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/DialectFilterExtension.java

@@ -111,7 +111,7 @@ public class DialectFilterExtension implements ExecutionCondition {
 		return buffer.toString();
 	}
 
-	private boolean versionsMatch(
+	public static boolean versionsMatch(
 			int matchingMajorVersion,
 			int matchingMinorVersion,
 			int matchingMicroVersion,

hibernate-testing/src/main/java/org/hibernate/testing/transaction/TransactionUtil.java

@@ -652,16 +652,30 @@ public class TransactionUtil {
 		StandardServiceRegistry ssr = ssrb.build();
 
 		try {
-			try (Connection connection = ssr.getService( JdbcServices.class )
+			final JdbcConnectionAccess connectionAccess = ssr.getService( JdbcServices.class )
-					.getBootstrapJdbcConnectionAccess()
+					.getBootstrapJdbcConnectionAccess();
-					.obtainConnection();
+			final Connection connection;
-				Statement statement = connection.createStatement()) {
+			try {
+				connection = connectionAccess.obtainConnection();
+			}
+			catch (SQLException e) {
+				throw new RuntimeException( e );
+			}
+			try (Statement statement = connection.createStatement()) {
 				connection.setAutoCommit( true );
 				consumer.accept( statement );
 			}
 			catch (SQLException e) {
 				log.debug( e.getMessage() );
 			}
+			finally {
+				try {
+					connectionAccess.releaseConnection( connection );
+				}
+				catch (SQLException e) {
+					// ignore
+				}
+			}
 		}
 		finally {
 			StandardServiceRegistryBuilder.destroy( ssr );
@@ -717,7 +731,13 @@ public class TransactionUtil {
 	public static void doWithJDBC(ServiceRegistry serviceRegistry, JDBCTransactionVoidFunction function) throws SQLException {
 		final JdbcConnectionAccess connectionAccess = serviceRegistry.getService( JdbcServices.class )
 				.getBootstrapJdbcConnectionAccess();
-		Connection connection = connectionAccess.obtainConnection();
+		final Connection connection;
+		try {
+			connection = connectionAccess.obtainConnection();
+		}
+		catch (SQLException e) {
+			throw new RuntimeException( e );
+		}
 		try {
 			function.accept( connection );
 		}
@@ -735,7 +755,13 @@ public class TransactionUtil {
 	public static <T> T doWithJDBC(ServiceRegistry serviceRegistry, JDBCTransactionFunction<T> function) throws SQLException {
 		final JdbcConnectionAccess connectionAccess = serviceRegistry.getService( JdbcServices.class )
 				.getBootstrapJdbcConnectionAccess();
-		Connection connection = connectionAccess.obtainConnection();
+		final Connection connection;
+		try {
+			connection = connectionAccess.obtainConnection();
+		}
+		catch (SQLException e) {
+			throw new RuntimeException( e );
+		}
 		try {
 			return function.accept( connection );
 		}

nightly.Jenkinsfile

@@ -26,7 +26,21 @@ this.helper = new JobHelper(this)
 helper.runWithNotification {
 stage('Configure') {
 	this.environments = [
+		// Minimum supported versions
+		new BuildEnvironment( dbName: 'h2_1_4' ),
+		new BuildEnvironment( dbName: 'hsqldb_2_6' ),
+		new BuildEnvironment( dbName: 'derby_10_14' ),
+		new BuildEnvironment( dbName: 'mysql_5_7' ),
+		new BuildEnvironment( dbName: 'mariadb_10_3' ),
+		new BuildEnvironment( dbName: 'postgresql_10' ),
+		new BuildEnvironment( dbName: 'edb_10' ),
+		new BuildEnvironment( dbName: 'oracle_11_2' ),
+		new BuildEnvironment( dbName: 'db2_10_5', longRunning: true ),
+		new BuildEnvironment( dbName: 'mssql_2017' ), // Unfortunately there is no SQL Server 2008 image, so we have to test with 2017
+// 		new BuildEnvironment( dbName: 'sybase_16' ), // There only is a Sybase ASE 16 image, so no pint in testing that nightly
+		// Long running databases
 		new BuildEnvironment( dbName: 'cockroachdb', node: 'cockroachdb', longRunning: true ),
+		new BuildEnvironment( dbName: 'cockroachdb_21_2', node: 'cockroachdb', longRunning: true ),
 		new BuildEnvironment( dbName: 'hana_cloud', dbLockableResource: 'hana-cloud', dbLockResourceAsHost: true )
 	];
 
@@ -94,55 +108,84 @@ stage('Build') {
 					try {
 						stage('Start database') {
 							switch (buildEnv.dbName) {
-								case "cockroachdb":
+								case "h2_1_4":
-									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
-										docker.image('cockroachdb/cockroach:v21.1.21').pull()
+										" -Pgradle.libs.versions.h2=1.4.197 -Pgradle.libs.versions.h2gis=1.5.0"
-									}
+									break;
-									sh "./docker_db.sh cockroachdb"
+								case "hsqldb_2_6":
-									state[buildEnv.tag]['containerName'] = "cockroach"
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
+										" -Pgradle.libs.versions.hsqldb=2.6.1"
+									break;
+								case "derby_10_14":
+									state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
+										" -Pgradle.libs.versions.derby=10.14.2.0"
 									break;
 								case "mysql":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mysql:5.7').pull()
+										docker.image('mysql:8.0.31').pull()
 									}
 									sh "./docker_db.sh mysql"
 									state[buildEnv.tag]['containerName'] = "mysql"
 									break;
-								case "mysql8":
+								case "mysql_5_7":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mysql:8.0.21').pull()
+										docker.image('mysql:5.7.40').pull()
 									}
-									sh "./docker_db.sh mysql_8_0"
+									sh "./docker_db.sh mysql_5_7"
 									state[buildEnv.tag]['containerName'] = "mysql"
 									break;
 								case "mariadb":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('mariadb:10.7.5').pull()
+										docker.image('mariadb:10.9.3').pull()
 									}
 									sh "./docker_db.sh mariadb"
 									state[buildEnv.tag]['containerName'] = "mariadb"
 									break;
+								case "mariadb_10_3":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('mariadb:10.3.36').pull()
+									}
+									sh "./docker_db.sh mariadb_10_3"
+									state[buildEnv.tag]['containerName'] = "mariadb"
+									break;
 								case "postgresql":
 									// use the postgis image to enable the PGSQL GIS (spatial) extension
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('postgis/postgis:9.5-2.5').pull()
+										docker.image('postgis/postgis:14-3.3').pull()
 									}
 									sh "./docker_db.sh postgresql"
 									state[buildEnv.tag]['containerName'] = "postgres"
 									break;
-								case "postgresql_14":
+								case "postgresql_10":
 									// use the postgis image to enable the PGSQL GIS (spatial) extension
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('postgis/postgis:14-3.3').pull()
+										docker.image('postgis/postgis:10-2.5').pull()
 									}
-									sh "./docker_db.sh postgresql_14"
+									sh "./docker_db.sh postgresql_10"
 									state[buildEnv.tag]['containerName'] = "postgres"
 									break;
+								case "edb":
+									docker.image('quay.io/enterprisedb/edb-postgres-advanced:14.5-3.2-postgis').pull()
+									sh "./docker_db.sh edb"
+									state[buildEnv.tag]['containerName'] = "edb"
+									break;
+								case "edb_10":
+									docker.image('quay.io/enterprisedb/edb-postgres-advanced:10.22').pull()
+									sh "./docker_db.sh edb_10"
+									state[buildEnv.tag]['containerName'] = "edb"
+									break;
 								case "oracle":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-										docker.image('gvenzl/oracle-xe:18.4.0-full').pull()
+										docker.image('gvenzl/oracle-xe:21.3.0-full').pull()
 									}
-									sh "./docker_db.sh oracle_18"
+									sh "./docker_db.sh oracle"
+									state[buildEnv.tag]['containerName'] = "oracle"
+									break;
+								case "oracle_11_2":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('gvenzl/oracle-xe:11.2.0.2-full').pull()
+									}
+									sh "./docker_db.sh oracle_11"
 									state[buildEnv.tag]['containerName'] = "oracle"
 									break;
 								case "db2":
@@ -152,11 +195,23 @@ stage('Build') {
 									sh "./docker_db.sh db2"
 									state[buildEnv.tag]['containerName'] = "db2"
 									break;
+								case "db2_10_5":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('ibmoms/db2express-c@sha256:a499afd9709a1f69fb41703e88def9869955234c3525547e2efc3418d1f4ca2b').pull()
+									}
+									sh "./docker_db.sh db2_10_5"
+									state[buildEnv.tag]['containerName'] = "db2"
+									break;
 								case "mssql":
 									docker.image('mcr.microsoft.com/mssql/server@sha256:f54a84b8a802afdfa91a954e8ddfcec9973447ce8efec519adf593b54d49bedf').pull()
 									sh "./docker_db.sh mssql"
 									state[buildEnv.tag]['containerName'] = "mssql"
 									break;
+								case "mssql_2017":
+									docker.image('mcr.microsoft.com/mssql/server@sha256:7d194c54e34cb63bca083542369485c8f4141596805611e84d8c8bab2339eede').pull()
+									sh "./docker_db.sh mssql_2017"
+									state[buildEnv.tag]['containerName'] = "mssql"
+									break;
 								case "sybase":
 									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
 										docker.image('nguoianphu/docker-sybase').pull()
@@ -164,10 +219,19 @@ stage('Build') {
 									sh "./docker_db.sh sybase"
 									state[buildEnv.tag]['containerName'] = "sybase"
 									break;
-								case "edb":
+								case "cockroachdb":
-									docker.image('quay.io/enterprisedb/edb-postgres-advanced:10.22').pull()
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
-									sh "./docker_db.sh edb"
+										docker.image('cockroachdb/cockroach:v22.1.10').pull()
-									state[buildEnv.tag]['containerName'] = "edb"
+									}
+									sh "./docker_db.sh cockroachdb"
+									state[buildEnv.tag]['containerName'] = "cockroach"
+									break;
+								case "cockroachdb_21_2":
+									docker.withRegistry('https://index.docker.io/v1/', 'hibernateci.hub.docker.com') {
+										docker.image('cockroachdb/cockroach:v21.2.16').pull()
+									}
+									sh "./docker_db.sh cockroachdb_21_2"
+									state[buildEnv.tag]['containerName'] = "cockroach"
 									break;
 							}
 						}
@@ -176,7 +240,7 @@ stage('Build') {
 							withEnv(["RDBMS=${buildEnv.dbName}"]) {
 								try {
 									if (buildEnv.dbLockableResource == null) {
-										timeout( [time: buildEnv.longRunning ? 240 : 120, unit: 'MINUTES'] ) {
+										timeout( [time: buildEnv.longRunning ? 480 : 120, unit: 'MINUTES'] ) {
 											sh cmd
 										}
 									}
@@ -185,7 +249,7 @@ stage('Build') {
 											if ( buildEnv.dbLockResourceAsHost ) {
 												cmd += " -DdbHost=${LOCKED_RESOURCE}"
 											}
-											timeout( [time: buildEnv.longRunning ? 240 : 120, unit: 'MINUTES'] ) {
+											timeout( [time: buildEnv.longRunning ? 480 : 120, unit: 'MINUTES'] ) {
 												sh cmd
 											}
 										}

settings.gradle

@@ -160,15 +160,35 @@ dependencyResolutionManagement {
             alias( "weld" ).to( "org.jboss.weld.se", "weld-se-shaded" ).version( "4.0.1.SP1" )
         }
         dbLibs {
-            version( "h2", "2.1.210" )
+            String h2Version = settings.ext.find( "gradle.libs.versions.h2" )
+            if ( h2Version == null ) {
+                h2Version = "2.1.214"
+            }
+            String h2gisVersion = settings.ext.find( "gradle.libs.versions.h2gis" )
+            if ( h2gisVersion == null ) {
+                h2gisVersion = "2.1.0"
+            }
+            String hsqldbVersion = settings.ext.find( "gradle.libs.versions.hsqldb" )
+            if ( hsqldbVersion == null ) {
+                hsqldbVersion = "2.7.1"
+            }
+            String derbyVersion = settings.ext.find( "gradle.libs.versions.derby" )
+            if ( derbyVersion == null ) {
+                // Latest Derby version 10.16.1.1 only supports JDK 17+, but 10.15.2 should be compatible
+                derbyVersion = "10.15.2.0"
+            }
+            version( "h2", h2Version )
+            version( "h2gis", h2gisVersion )
+            version( "hsqldb", hsqldbVersion )
+            version( "derby", derbyVersion )
             version( "pgsql", "42.5.0" )
             version( "mysql", "8.0.27" )
             version( "oracle", "21.3.0.0" )
 
             alias( "h2" ).to( "com.h2database", "h2" ).versionRef( "h2" )
-            alias( "h2gis" ).to( "org.orbisgis", "h2gis" ).version( "2.0.0" )
+            alias( "h2gis" ).to( "org.orbisgis", "h2gis" ).versionRef( "h2gis" )
-            alias( "hsqldb" ).to( "org.hsqldb", "hsqldb" ).version( "2.6.1" )
+            alias( "hsqldb" ).to( "org.hsqldb", "hsqldb" ).versionRef( "hsqldb" )
-            alias( "derby" ).to( "org.apache.derby", "derby" ).version( "10.14.2.0" )
+            alias( "derby" ).to( "org.apache.derby", "derby" ).versionRef( "derby" )
             alias( "postgresql" ).to( "org.postgresql", "postgresql" ).versionRef( "pgsql" )
             alias( "cockroachdb" ).to( "org.postgresql", "postgresql" ).version( "42.2.8" )
             alias( "mysql" ).to( "mysql", "mysql-connector-java" ).versionRef( "mysql" )