HHH-16528 Revert SybaseDialect NameQualifierSupport to CATALOG only and fix ansinull option for jconnect

gradle/databases.gradle

@@ -88,8 +88,8 @@ ext {
                         'jdbc.user'  : 'hibernate_orm_test',
                         'jdbc.pass'  : 'hibernate_orm_test',
                         // Disable prepared statement caching to avoid issues with changing schemas
-                        'jdbc.url'   : 'jdbc:sybase:Tds:' + dbHost + ':5000/hibernate_orm_test?SQLINITSTRING=set quoted_identifier on&SQLINITSTRING=set ANSINULL on',
+                        'jdbc.url'   : 'jdbc:sybase:Tds:' + dbHost + ':5000/hibernate_orm_test',
-                        'connection.init_sql' : ''
+                        'connection.init_sql' : 'set ansinull on set quoted_identifier on'
                 ],
                 mysql : [
                         'db.dialect' : 'org.hibernate.dialect.MySQLDialect',

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

@@ -54,10 +54,11 @@ import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.select.SelectStatement;
 import org.hibernate.sql.exec.spi.JdbcOperation;
 import org.hibernate.type.JavaObjectType;
+import org.hibernate.type.NullType;
 import org.hibernate.type.descriptor.jdbc.BlobJdbcType;
 import org.hibernate.type.descriptor.jdbc.ClobJdbcType;
 import org.hibernate.type.descriptor.jdbc.JdbcType;
-import org.hibernate.type.descriptor.jdbc.ObjectNullAsNullTypeJdbcType;
+import org.hibernate.type.descriptor.jdbc.ObjectNullAsBinaryTypeJdbcType;
 import org.hibernate.type.descriptor.jdbc.TinyIntAsSmallIntJdbcType;
 import org.hibernate.type.descriptor.jdbc.spi.JdbcTypeRegistry;
 
@@ -191,12 +192,20 @@ public class SybaseLegacyDialect extends AbstractTransactSQLDialect {
 		jdbcTypeRegistry.addDescriptor( Types.BLOB, BlobJdbcType.PRIMITIVE_ARRAY_BINDING );
 
 		// Sybase requires a custom binder for binding untyped nulls with the NULL type
-		typeContributions.contributeJdbcType( ObjectNullAsNullTypeJdbcType.INSTANCE );
+		typeContributions.contributeJdbcType( ObjectNullAsBinaryTypeJdbcType.INSTANCE );
 
 		// Until we remove StandardBasicTypes, we have to keep this
 		typeContributions.contributeType(
 				new JavaObjectType(
-						ObjectNullAsNullTypeJdbcType.INSTANCE,
+						ObjectNullAsBinaryTypeJdbcType.INSTANCE,
+						typeContributions.getTypeConfiguration()
+								.getJavaTypeRegistry()
+								.getDescriptor( Object.class )
+				)
+		);
+		typeContributions.contributeType(
+				new NullType(
+						ObjectNullAsBinaryTypeJdbcType.INSTANCE,
 						typeContributions.getTypeConfiguration()
 								.getJavaTypeRegistry()
 								.getDescriptor( Object.class )
@@ -356,9 +365,8 @@ public class SybaseLegacyDialect extends AbstractTransactSQLDialect {
 
 	@Override
 	public NameQualifierSupport getNameQualifierSupport() {
-		if ( getVersion().isSameOrAfter( 15 ) ) {
+		// No support for schemas: https://userapps.support.sap.com/sap/support/knowledge/en/2591730
-			return NameQualifierSupport.BOTH;
+		// Authorization schemas seem to be something different: https://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.infocenter.dc36272.1550/html/commands/X48762.htm
-		}
 		return NameQualifierSupport.CATALOG;
 	}
 

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

@@ -53,6 +53,7 @@ import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.select.SelectStatement;
 import org.hibernate.sql.exec.spi.JdbcOperation;
 import org.hibernate.type.JavaObjectType;
+import org.hibernate.type.NullType;
 import org.hibernate.type.descriptor.jdbc.BlobJdbcType;
 import org.hibernate.type.descriptor.jdbc.ClobJdbcType;
 import org.hibernate.type.descriptor.jdbc.JdbcType;
@@ -220,6 +221,14 @@ public class SybaseDialect extends AbstractTransactSQLDialect {
 								.getDescriptor( Object.class )
 				)
 		);
+		typeContributions.contributeType(
+				new NullType(
+						ObjectNullAsBinaryTypeJdbcType.INSTANCE,
+						typeContributions.getTypeConfiguration()
+								.getJavaTypeRegistry()
+								.getDescriptor( Object.class )
+				)
+		);
 	}
 
 	@Override
@@ -380,13 +389,10 @@ public class SybaseDialect extends AbstractTransactSQLDialect {
 
 	@Override
 	public NameQualifierSupport getNameQualifierSupport() {
-		if ( driverKind == SybaseDriverKind.JTDS ) {
+		// No support for schemas: https://userapps.support.sap.com/sap/support/knowledge/en/2591730
+		// Authorization schemas seem to be something different: https://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.infocenter.dc36272.1550/html/commands/X48762.htm
 		return NameQualifierSupport.CATALOG;
 	}
-		else {
-			return NameQualifierSupport.BOTH;
-		}
-	}
 
 	@Override
 	public UniqueDelegate getUniqueDelegate() {

hibernate-core/src/test/java/org/hibernate/orm/test/schemaupdate/CommentGenerationTest.java

@@ -15,23 +15,23 @@ import org.hibernate.boot.registry.StandardServiceRegistry;
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
 import org.hibernate.boot.spi.MetadataImplementor;
 import org.hibernate.cfg.Environment;
-import org.hibernate.dialect.DatabaseVersion;
-import org.hibernate.dialect.Dialect;
 import org.hibernate.tool.hbm2ddl.SchemaUpdate;
 import org.hibernate.tool.schema.TargetType;
 
-import org.junit.Test;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
 
-import org.hibernate.testing.TestForIssue;
+import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.core.Is.is;
-import static org.hibernate.dialect.SimpleDatabaseVersion.ZERO_VERSION;
 import static org.junit.Assert.assertThat;
 
 /**
  * @author Andrea Boriero
  */
-@TestForIssue(jiraKey = "HHH-10635")
+@JiraKey("HHH-10635")
+@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsCommentOn.class)
 public class CommentGenerationTest {
 
 	@Test
@@ -39,7 +39,6 @@ public class CommentGenerationTest {
 		final String resource = "org/hibernate/orm/test/schemaupdate/CommentGeneration.hbm.xml";
 		StandardServiceRegistry ssr = new StandardServiceRegistryBuilder()
 				.applySetting( Environment.HBM2DDL_AUTO, "none" )
-				.applySetting( Environment.DIALECT, SupportCommentDialect.class.getName() )
 				.build();
 		try {
 			File output = File.createTempFile( "update_script", ".sql" );
@@ -65,16 +64,4 @@ public class CommentGenerationTest {
 			StandardServiceRegistryBuilder.destroy( ssr );
 		}
 	}
-
-	public static class SupportCommentDialect extends Dialect{
-		@Override
-		public boolean supportsCommentOn() {
-			return true;
-		}
-
-		@Override
-		public DatabaseVersion getVersion() {
-			return ZERO_VERSION;
-		}
-	}
 }

hibernate-core/src/test/java/org/hibernate/orm/test/tool/schema/scripts/StatementsWithoutTerminalCharsImportFileTest.java

@@ -39,7 +39,6 @@ import org.hibernate.testing.RequiresDialect;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.jta.TestingJtaBootstrap;
 import org.hibernate.testing.junit4.BaseUnitTestCase;
-import org.hibernate.orm.test.schemaupdate.CommentGenerationTest;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -67,7 +66,6 @@ public class StatementsWithoutTerminalCharsImportFileTest extends BaseUnitTestCa
 		// NOTE : the
 		ssr = new StandardServiceRegistryBuilder()
 				.applySetting( Environment.HBM2DDL_AUTO, "none" )
-				.applySetting( Environment.DIALECT, CommentGenerationTest.SupportCommentDialect.class.getName() )
 				.applySetting(
 						Environment.HBM2DDL_IMPORT_FILES,
 						"/org/hibernate/orm/test/tool/schema/scripts/statements-without-terminal-chars.sql"

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

@@ -658,4 +658,10 @@ abstract public class DialectFeatureChecks {
 			return dialect instanceof SybaseDialect && ( (SybaseDialect) dialect ).getDriverKind() == SybaseDriverKind.JTDS;
 		}
 	}
+
+	public static class SupportsCommentOn implements DialectFeatureCheck {
+		public boolean apply(Dialect dialect) {
+			return dialect.supportsCommentOn();
+		}
+	}
 }