HHH-17559 - Prefer Java Time handling for all temporal values

hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingContext.java

@@ -100,7 +100,7 @@ public interface MetadataBuildingContext {
 
 	static boolean isPreferJavaTimeJdbcTypesEnabled(ConfigurationService configurationService) {
 		return ConfigurationHelper.getBoolean(
-				MappingSettings.PREFER_JAVA_TYPE_JDBC_TYPES,
+				MappingSettings.JAVA_TIME_USE_DIRECT_JDBC,
 				configurationService.getSettings(),
 				// todo : true would be better eventually so maybe just rip off that band aid
 				false

hibernate-core/src/main/java/org/hibernate/cfg/MappingSettings.java

@@ -236,11 +236,11 @@ public interface MappingSettings {
 	 * {@linkplain org.hibernate.type.descriptor.jdbc.InstantJdbcType}.
 	 *
 	 * @settingDefault false
-	 * 
+	 *
 	 * @since 6.5
 	 */
 	@Incubating
-	String PREFER_JAVA_TYPE_JDBC_TYPES = "hibernate.type.prefer_java_type_jdbc_types";
+	String JAVA_TIME_USE_DIRECT_JDBC = "hibernate.type.java_time_use_direct_jdbc";
 
 	/**
 	 * Indicates whether to prefer using SQL enums and the respective special JDBC types for binding/extracting

hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/JdbcTypeIndicators.java

@@ -70,7 +70,7 @@ public interface JdbcTypeIndicators {
 	}
 
 	/**
-	 * @see org.hibernate.cfg.MappingSettings#PREFER_JAVA_TYPE_JDBC_TYPES
+	 * @see org.hibernate.cfg.MappingSettings#JAVA_TIME_USE_DIRECT_JDBC
 	 */
 	default boolean isPreferJavaTimeJdbcTypesEnabled() {
 		return getCurrentBaseSqlTypeIndicators().isPreferJavaTimeJdbcTypesEnabled();

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/javatime/GlobalJavaTimeJdbcTypeTests.java

@@ -12,7 +12,6 @@ import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.temporal.ChronoUnit;
 
-import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.cfg.MappingSettings;
 import org.hibernate.community.dialect.AltibaseDialect;
 import org.hibernate.dialect.DB2Dialect;
@@ -22,12 +21,8 @@ import org.hibernate.dialect.HANADialect;
 import org.hibernate.dialect.OracleDialect;
 import org.hibernate.dialect.SybaseDialect;
 import org.hibernate.mapping.BasicValue;
-import org.hibernate.mapping.Column;
 import org.hibernate.mapping.PersistentClass;
 import org.hibernate.mapping.Property;
-import org.hibernate.mapping.Value;
-import org.hibernate.type.SqlTypes;
-import org.hibernate.type.descriptor.java.LocalDateJavaType;
 import org.hibernate.type.descriptor.jdbc.JavaTimeJdbcType;
 import org.hibernate.type.descriptor.jdbc.JdbcType;
 import org.hibernate.type.descriptor.jdbc.LocalDateJdbcType;
@@ -58,7 +53,7 @@ import static org.hibernate.type.descriptor.DateTimeUtils.roundToDefaultPrecisio
  */
 @SuppressWarnings("JUnitMalformedDeclaration")
 @ServiceRegistry(
-		settings = @Setting(name = MappingSettings.PREFER_JAVA_TYPE_JDBC_TYPES, value = "true")
+		settings = @Setting(name = MappingSettings.JAVA_TIME_USE_DIRECT_JDBC, value = "true")
 )
 @DomainModel( annotatedClasses = GlobalJavaTimeJdbcTypeTests.EntityWithJavaTimeValues.class )
 @SessionFactory

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/javatime/JavaTimeJdbcTypeBaselineTests.java

@@ -10,19 +10,11 @@ import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
-import java.time.temporal.ChronoUnit;
 
-import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.cfg.MappingSettings;
-import org.hibernate.dialect.DB2Dialect;
-import org.hibernate.dialect.DerbyDialect;
-import org.hibernate.dialect.Dialect;
-import org.hibernate.dialect.OracleDialect;
-import org.hibernate.dialect.SybaseDialect;
 import org.hibernate.mapping.BasicValue;
 import org.hibernate.mapping.PersistentClass;
 import org.hibernate.mapping.Property;
-import org.hibernate.type.SqlTypes;
 import org.hibernate.type.descriptor.jdbc.DateJdbcType;
 import org.hibernate.type.descriptor.jdbc.JdbcType;
 import org.hibernate.type.descriptor.jdbc.TimeJdbcType;
@@ -32,10 +24,7 @@ import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.DomainModelScope;
 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.Setting;
-import org.hibernate.testing.orm.junit.SkipForDialect;
-import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
 import jakarta.persistence.Entity;
@@ -43,7 +32,6 @@ import jakarta.persistence.Id;
 import jakarta.persistence.Table;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hibernate.type.descriptor.DateTimeUtils.roundToDefaultPrecision;
 
 /**
  * Tests for "direct" JDBC handling of {@linkplain java.time Java Time} types.
@@ -52,7 +40,7 @@ import static org.hibernate.type.descriptor.DateTimeUtils.roundToDefaultPrecisio
  */
 @SuppressWarnings("JUnitMalformedDeclaration")
 @ServiceRegistry(
-		settings = @Setting(name = MappingSettings.PREFER_JAVA_TYPE_JDBC_TYPES, value = "false")
+		settings = @Setting(name = MappingSettings.JAVA_TIME_USE_DIRECT_JDBC, value = "false")
 )
 @DomainModel( annotatedClasses = JavaTimeJdbcTypeBaselineTests.EntityWithJavaTimeValues.class )
 @SessionFactory

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/javatime/JavaTimeJdbcTypeTests.java

@@ -25,14 +25,10 @@ import org.hibernate.mapping.BasicValue;
 import org.hibernate.mapping.PersistentClass;
 import org.hibernate.mapping.Property;
 import org.hibernate.type.SqlTypes;
-import org.hibernate.type.descriptor.jdbc.DateJdbcType;
-import org.hibernate.type.descriptor.jdbc.JavaTimeJdbcType;
 import org.hibernate.type.descriptor.jdbc.JdbcType;
 import org.hibernate.type.descriptor.jdbc.LocalDateJdbcType;
 import org.hibernate.type.descriptor.jdbc.LocalDateTimeJdbcType;
 import org.hibernate.type.descriptor.jdbc.LocalTimeJdbcType;
-import org.hibernate.type.descriptor.jdbc.TimeJdbcType;
-import org.hibernate.type.descriptor.jdbc.TimestampJdbcType;
 
 import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.DomainModelScope;
@@ -58,7 +54,7 @@ import static org.hibernate.type.descriptor.DateTimeUtils.roundToDefaultPrecisio
  */
 @SuppressWarnings("JUnitMalformedDeclaration")
 @ServiceRegistry(
-		settings = @Setting(name = MappingSettings.PREFER_JAVA_TYPE_JDBC_TYPES, value = "false")
+		settings = @Setting(name = MappingSettings.JAVA_TIME_USE_DIRECT_JDBC, value = "false")
 )
 @DomainModel( annotatedClasses = JavaTimeJdbcTypeTests.EntityWithJavaTimeValues.class )
 @SessionFactory

migration-guide.adoc

@@ -32,13 +32,19 @@ those intermediate forms.
 
 For 6.5 this behavior is disabled by default.  To opt-in,
 
-[source]
+[source,properties]
 ----
-hibernate.type.prefer_java_type_jdbc_types=true
+hibernate.type.java_time_use_direct_jdbc=true
 ----
 
+NOTE: The name of this setting has been changed from `hibernate.type.prefer_java_type_jdbc_types` as first introduced in 6.5 CR1 to avoid confusion with the numerous `hibernate.type.prefer_<xyz>` settings.
+
+IMPORTANT: This feature is known to not work with the Sybase jConnect driver despite
+this feature being part of JDBC since 4.2 (Java 8).  We have notified the Sybase development team, but this seems unlikely to change.
+
 It is expected the default will flip for 7.0.
 
+
 [[query-cache-layout]]
 == Configurable Query Cache Layout
 

release-announcement.adoc

@@ -32,12 +32,16 @@ For 6.5 this behavior is disabled by default.  To opt-in,
 
 [source,properties]
 ----
-hibernate.type.prefer_java_type_jdbc_types=true
+hibernate.type.java_time_use_direct_jdbc=true
 ----
 
 See the link:{javadocs-url}/org/hibernate/cfg/MappingSettings.html#PREFER_JAVA_TYPE_JDBC_TYPES[setting Javadoc] for additional details.
 
 
+IMPORTANT: This feature is known to not work with the Sybase jConnect driver despite
+this feature being part of JDBC since 4.2 (Java 8).  We have notified the Sybase development team, but this seems unlikely to change.
+
+
 [[query-cache-layout]]
 == Configurable Query Cache Layout