From ee66a9330266590bab6903ce25bb3189db766d42 Mon Sep 17 00:00:00 2001
From: Gavin <gavin@hibernate.org>
Date: Tue, 6 Dec 2022 17:40:58 +0100
Subject: [PATCH] HHH-15828 fix setting TIMEZONE_DEFAULT_STORAGE to COLUMN

---
 .../boot/internal/MetadataBuilderImpl.java    |  10 +-
 .../process/spi/MetadataBuildingProcess.java  |   4 +-
 ...ractDelegatingMetadataBuildingOptions.java |   6 +
 .../boot/spi/MetadataBuildingOptions.java     |   3 +
 .../hibernate/cfg/AbstractPropertyHolder.java | 191 +++++++++---------
 .../org/hibernate/cfg/AnnotationBinder.java   |  78 ++++---
 .../cfg/annotations/BasicValueBinder.java     |   7 +-
 .../type/descriptor/jdbc/InstantJdbcType.java |   1 -
 8 files changed, 164 insertions(+), 136 deletions(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataBuilderImpl.java b/hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataBuilderImpl.java
index 9743ec5935..062e760a1a 100644
--- a/hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataBuilderImpl.java
+++ b/hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataBuilderImpl.java
@@ -746,10 +746,11 @@ public class MetadataBuilderImpl implements MetadataBuilderImplementor, TypeCont
 
 		@Override
 		public TimeZoneStorageStrategy getDefaultTimeZoneStorage() {
-			return toTimeZoneStorageStrategy( getTimeZoneSupport( serviceRegistry ) );
+			return toTimeZoneStorageStrategy( getTimeZoneSupport() );
 		}
 
-		private static TimeZoneSupport getTimeZoneSupport(StandardServiceRegistry serviceRegistry) {
+		@Override
+		public TimeZoneSupport getTimeZoneSupport() {
 			try {
 				return serviceRegistry.getService( JdbcServices.class )
 						.getDialect()
@@ -759,6 +760,7 @@ public class MetadataBuilderImpl implements MetadataBuilderImplementor, TypeCont
 				return TimeZoneSupport.NONE;
 			}
 		}
+
 		private TimeZoneStorageStrategy toTimeZoneStorageStrategy(TimeZoneSupport timeZoneSupport) {
 			switch ( defaultTimezoneStorage ) {
 				case NATIVE:
@@ -775,9 +777,11 @@ public class MetadataBuilderImpl implements MetadataBuilderImplementor, TypeCont
 				case AUTO:
 					switch (timeZoneSupport) {
 						case NATIVE:
+							// if the db has native support for timezones, we use that, not a column
 							return TimeZoneStorageStrategy.NATIVE;
 						case NORMALIZE:
 						case NONE:
+							// otherwise we use a separate column
 							return TimeZoneStorageStrategy.COLUMN;
 						default:
 							throw new HibernateException( "Unsupported time zone support: " + timeZoneSupport);
@@ -785,9 +789,11 @@ public class MetadataBuilderImpl implements MetadataBuilderImplementor, TypeCont
 				case DEFAULT:
 					switch (timeZoneSupport) {
 						case NATIVE:
+							// if the db has native support for timezones, we use that, and don't normalize
 							return TimeZoneStorageStrategy.NATIVE;
 						case NORMALIZE:
 						case NONE:
+							// otherwise we normalize things to UTC
 							return TimeZoneStorageStrategy.NORMALIZE_UTC;
 						default:
 							throw new HibernateException( "Unsupported time zone support: " + timeZoneSupport);
diff --git a/hibernate-core/src/main/java/org/hibernate/boot/model/process/spi/MetadataBuildingProcess.java b/hibernate-core/src/main/java/org/hibernate/boot/model/process/spi/MetadataBuildingProcess.java
index 83c9aa1f9d..870cb861f9 100644
--- a/hibernate-core/src/main/java/org/hibernate/boot/model/process/spi/MetadataBuildingProcess.java
+++ b/hibernate-core/src/main/java/org/hibernate/boot/model/process/spi/MetadataBuildingProcess.java
@@ -66,7 +66,7 @@ import static org.hibernate.internal.util.config.ConfigurationHelper.getPreferre
 import static org.hibernate.internal.util.config.ConfigurationHelper.getPreferredSqlTypeCodeForUuid;
 
 /**
- * Represents the process of of transforming a {@link MetadataSources}
+ * Represents the process of transforming a {@link MetadataSources}
  * reference into a {@link org.hibernate.boot.Metadata} reference.  Allows for 2 different process paradigms:<ul>
  *     <li>
  *         Single step : as defined by the {@link #build} method; internally leverages the 2-step paradigm
@@ -465,7 +465,7 @@ public class MetadataBuildingProcess {
 		if ( timestampWithTimeZoneOverride != null ) {
 			adaptToDefaultTimeZoneStorage( typeConfiguration, timestampWithTimeZoneOverride );
 		}
-		final int preferredSqlTypeCodeForInstant = getPreferredSqlTypeCodeForInstant(serviceRegistry);
+		final int preferredSqlTypeCodeForInstant = getPreferredSqlTypeCodeForInstant( serviceRegistry );
 		if ( preferredSqlTypeCodeForInstant != SqlTypes.TIMESTAMP_UTC ) {
 			adaptToPreferredSqlTypeCodeForInstant( typeConfiguration, jdbcTypeRegistry, preferredSqlTypeCodeForInstant );
 		}
diff --git a/hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingMetadataBuildingOptions.java b/hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingMetadataBuildingOptions.java
index 94bfff2fa7..a24e9f39e1 100644
--- a/hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingMetadataBuildingOptions.java
+++ b/hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingMetadataBuildingOptions.java
@@ -16,6 +16,7 @@ import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
 import org.hibernate.boot.registry.StandardServiceRegistry;
 import org.hibernate.cache.spi.access.AccessType;
 import org.hibernate.cfg.MetadataSourceType;
+import org.hibernate.dialect.TimeZoneSupport;
 import org.hibernate.id.factory.IdentifierGeneratorFactory;
 import org.hibernate.type.spi.TypeConfiguration;
 
@@ -58,6 +59,11 @@ public abstract class AbstractDelegatingMetadataBuildingOptions implements Metad
 		return delegate.getDefaultTimeZoneStorage();
 	}
 
+	@Override
+	public TimeZoneSupport getTimeZoneSupport() {
+		return delegate.getTimeZoneSupport();
+	}
+
 	@Override
 	public List<BasicTypeRegistration> getBasicTypeRegistrations() {
 		return delegate.getBasicTypeRegistrations();
diff --git a/hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingOptions.java b/hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingOptions.java
index 7e53e90d6e..28c056ffd6 100644
--- a/hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingOptions.java
+++ b/hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingOptions.java
@@ -19,6 +19,7 @@ import org.hibernate.cache.spi.access.AccessType;
 import org.hibernate.cfg.MetadataSourceType;
 import org.hibernate.collection.internal.StandardCollectionSemanticsResolver;
 import org.hibernate.collection.spi.CollectionSemanticsResolver;
+import org.hibernate.dialect.TimeZoneSupport;
 import org.hibernate.id.factory.IdentifierGeneratorFactory;
 import org.hibernate.metamodel.internal.ManagedTypeRepresentationResolverStandard;
 import org.hibernate.metamodel.spi.ManagedTypeRepresentationResolver;
@@ -51,6 +52,8 @@ public interface MetadataBuildingOptions {
 
 	TimeZoneStorageStrategy getDefaultTimeZoneStorage();
 
+	TimeZoneSupport getTimeZoneSupport();
+
 	default ManagedTypeRepresentationResolver getManagedTypeRepresentationResolver() {
 		// for now always return the standard one
 		return ManagedTypeRepresentationResolverStandard.INSTANCE;
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/AbstractPropertyHolder.java b/hibernate-core/src/main/java/org/hibernate/cfg/AbstractPropertyHolder.java
index 976352e33d..99e3b8eb92 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/AbstractPropertyHolder.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/AbstractPropertyHolder.java
@@ -26,12 +26,9 @@ import jakarta.persistence.MappedSuperclass;
 
 import org.hibernate.AnnotationException;
 import org.hibernate.AssertionFailure;
-import org.hibernate.Internal;
-import org.hibernate.TimeZoneStorageStrategy;
 import org.hibernate.annotations.ColumnTransformer;
 import org.hibernate.annotations.ColumnTransformers;
 import org.hibernate.annotations.TimeZoneColumn;
-import org.hibernate.annotations.TimeZoneStorage;
 import org.hibernate.annotations.common.reflection.XAnnotatedElement;
 import org.hibernate.annotations.common.reflection.XClass;
 import org.hibernate.annotations.common.reflection.XProperty;
@@ -47,6 +44,8 @@ import org.hibernate.usertype.internal.AbstractTimeZoneStorageCompositeUserType;
 
 import org.jboss.logging.Logger;
 
+import static org.hibernate.cfg.AnnotationBinder.useColumnForTimeZoneStorage;
+
 /**
  * @author Emmanuel Bernard
  */
@@ -64,8 +63,8 @@ public abstract class AbstractPropertyHolder implements PropertyHolder {
 	private Map<String, JoinTable> currentPropertyJoinTableOverride;
 	private Map<String, ForeignKey> holderForeignKeyOverride;
 	private Map<String, ForeignKey> currentPropertyForeignKeyOverride;
-	private String path;
-	private MetadataBuildingContext context;
+	private final String path;
+	private final MetadataBuildingContext context;
 	private Boolean isInIdClass;
 
 	AbstractPropertyHolder(
@@ -192,7 +191,7 @@ public abstract class AbstractPropertyHolder implements PropertyHolder {
 				this.currentPropertyColumnOverride = null;
 			}
 
-			this.currentPropertyColumnTransformerOverride = buildColumnTransformerOverride( property, getPath() );
+			this.currentPropertyColumnTransformerOverride = buildColumnTransformerOverride( property );
 			if ( this.currentPropertyColumnTransformerOverride.size() == 0 ) {
 				this.currentPropertyColumnTransformerOverride = null;
 			}
@@ -217,7 +216,7 @@ public abstract class AbstractPropertyHolder implements PropertyHolder {
 	/**
 	 * Get column overriding, property first, then parent, then holder
 	 * replace the placeholder 'collection&amp;&amp;element' with nothing
-	 *
+	 * <p>
 	 * These rules are here to support both JPA 2 and legacy overriding rules.
 	 */
 	@Override
@@ -416,7 +415,7 @@ public abstract class AbstractPropertyHolder implements PropertyHolder {
 					|| current.isAnnotationPresent( Embeddable.class ) ) {
 				//FIXME is embeddable override?
 				Map<String, Column[]> currentOverride = buildColumnOverride( current, getPath(), context );
-				Map<String, ColumnTransformer> currentTransformerOverride = buildColumnTransformerOverride( current, getPath() );
+				Map<String, ColumnTransformer> currentTransformerOverride = buildColumnTransformerOverride( current );
 				Map<String, JoinColumn[]> currentJoinOverride = buildJoinColumnOverride( current, getPath() );
 				Map<String, JoinTable> currentJoinTableOverride = buildJoinTableOverride( current, getPath() );
 				Map<String, ForeignKey> currentForeignKeyOverride = buildForeignKeyOverride( current, getPath() );
@@ -477,105 +476,97 @@ public abstract class AbstractPropertyHolder implements PropertyHolder {
 					}
 				}
 
-				for (Map.Entry<String, List<Column>> entry : columnOverrideList.entrySet()) {
-					columnOverride.put(
-						entry.getKey(),
-						entry.getValue().toArray( new Column[entry.getValue().size()] )
-					);
+				for ( Map.Entry<String, List<Column>> entry : columnOverrideList.entrySet() ) {
+					columnOverride.put( entry.getKey(), entry.getValue().toArray( new Column[0] ) );
 				}
 			}
-			else {
-				final TimeZoneStorage timeZoneStorage = element.getAnnotation( TimeZoneStorage.class );
-				if ( timeZoneStorage != null ) {
-					switch ( timeZoneStorage.value() ) {
-						case AUTO:
-							if ( context.getBuildingOptions().getDefaultTimeZoneStorage() != TimeZoneStorageStrategy.COLUMN ) {
-								break;
-							}
-						case COLUMN:
-							final Column column;
-							final Column annotatedColumn = element.getAnnotation( Column.class );
-							if ( annotatedColumn != null ) {
-								column = annotatedColumn;
-							}
-							else {
-								// Base the name of the synthetic dateTime field on the name of the original attribute
-								final Identifier implicitName = context.getObjectNameNormalizer().normalizeIdentifierQuoting(
-										context.getBuildingOptions().getImplicitNamingStrategy().determineBasicColumnName(
-												new ImplicitBasicColumnNameSource() {
-													final AttributePath attributePath = AttributePath.parse( path );
-
-													@Override
-													public AttributePath getAttributePath() {
-														return attributePath;
-													}
-
-													@Override
-													public boolean isCollectionElement() {
-														return false;
-													}
-
-													@Override
-													public MetadataBuildingContext getBuildingContext() {
-														return context;
-													}
-												}
-										)
-								);
-								column = new ColumnImpl(
-										implicitName.getText(),
-										false,
-										true,
-										true,
-										true,
-										"",
-										"",
-										0
-								);
-							}
-							columnOverride.put(
-									path + "." + AbstractTimeZoneStorageCompositeUserType.INSTANT_NAME,
-									new Column[] { column }
-							);
-							final Column offsetColumn;
-							final TimeZoneColumn timeZoneColumn = element.getAnnotation( TimeZoneColumn.class );
-							if ( timeZoneColumn != null ) {
-								offsetColumn = new ColumnImpl(
-									timeZoneColumn.name(),
-									false,
-									column.nullable(),
-									timeZoneColumn.insertable(),
-									timeZoneColumn.updatable(),
-									timeZoneColumn.columnDefinition(),
-									timeZoneColumn.table(),
-									0
-								);
-							}
-							else {
-								offsetColumn = new ColumnImpl(
-										column.name() + "_tz",
-										false,
-										column.nullable(),
-										column.insertable(),
-										column.updatable(),
-										"",
-										column.table(),
-										0
-								);
-							}
-							columnOverride.put(
-									path + "." + AbstractTimeZoneStorageCompositeUserType.ZONE_OFFSET_NAME,
-									new Column[] { offsetColumn }
-							);
-							break;
-					}
-				}
+			else if ( useColumnForTimeZoneStorage( element, context ) ) {
+				final Column column = createTimestampColumn( element, path, context );
+				columnOverride.put(
+						path + "." + AbstractTimeZoneStorageCompositeUserType.INSTANT_NAME,
+						new Column[]{ column }
+				);
+				final Column offsetColumn = createTimeZoneColumn( element, column );
+				columnOverride.put(
+						path + "." + AbstractTimeZoneStorageCompositeUserType.ZONE_OFFSET_NAME,
+						new Column[]{ offsetColumn }
+				);
 			}
 		}
 		return columnOverride;
 	}
 
-	private static Map<String, ColumnTransformer> buildColumnTransformerOverride(XAnnotatedElement element, String path) {
+	private static Column createTimeZoneColumn(XAnnotatedElement element, Column column) {
+		final TimeZoneColumn timeZoneColumn = element.getAnnotation( TimeZoneColumn.class );
+		if ( timeZoneColumn != null ) {
+			return new ColumnImpl(
+				timeZoneColumn.name(),
+				false,
+				column.nullable(),
+				timeZoneColumn.insertable(),
+				timeZoneColumn.updatable(),
+				timeZoneColumn.columnDefinition(),
+				timeZoneColumn.table(),
+				0
+			);
+		}
+		else {
+			return new ColumnImpl(
+					column.name() + "_tz",
+					false,
+					column.nullable(),
+					column.insertable(),
+					column.updatable(),
+					"",
+					column.table(),
+					0
+			);
+		}
+	}
+
+	private static Column createTimestampColumn(XAnnotatedElement element, String path, MetadataBuildingContext context) {
+		final Column annotatedColumn = element.getAnnotation( Column.class );
+		if ( annotatedColumn != null ) {
+			return annotatedColumn;
+		}
+		else {
+			// Base the name of the synthetic dateTime field on the name of the original attribute
+			final Identifier implicitName = context.getObjectNameNormalizer().normalizeIdentifierQuoting(
+					context.getBuildingOptions().getImplicitNamingStrategy().determineBasicColumnName(
+							new ImplicitBasicColumnNameSource() {
+								final AttributePath attributePath = AttributePath.parse(path);
+
+								@Override
+								public AttributePath getAttributePath() {
+									return attributePath;
+								}
+
+								@Override
+								public boolean isCollectionElement() {
+									return false;
+								}
+
+								@Override
+								public MetadataBuildingContext getBuildingContext() {
+									return context;
+								}
+							}
+					)
+			);
+			return new ColumnImpl(
+					implicitName.getText(),
+					false,
+					true,
+					true,
+					true,
+					"",
+					"",
+					0
+			);
+		}
+	}
+
+	private static Map<String, ColumnTransformer> buildColumnTransformerOverride(XAnnotatedElement element) {
 		Map<String, ColumnTransformer> columnOverride = new HashMap<>();
 		if ( element != null ) {
 			ColumnTransformer singleOverride = element.getAnnotation( ColumnTransformer.class );
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/AnnotationBinder.java b/hibernate-core/src/main/java/org/hibernate/cfg/AnnotationBinder.java
index 16581b8a87..96f674bc0a 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/AnnotationBinder.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/AnnotationBinder.java
@@ -9,6 +9,8 @@ package org.hibernate.cfg;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -74,6 +76,7 @@ import org.hibernate.cfg.annotations.EntityBinder;
 import org.hibernate.cfg.annotations.Nullability;
 import org.hibernate.cfg.annotations.PropertyBinder;
 import org.hibernate.cfg.annotations.QueryBinder;
+import org.hibernate.dialect.TimeZoneSupport;
 import org.hibernate.engine.OptimisticLockStyle;
 import org.hibernate.engine.spi.FilterDefinition;
 import org.hibernate.internal.CoreMessageLogger;
@@ -171,6 +174,9 @@ import static org.hibernate.mapping.SimpleValue.DEFAULT_ID_GEN_STRATEGY;
 public final class AnnotationBinder {
 	private static final CoreMessageLogger LOG = messageLogger( AnnotationBinder.class );
 
+	private static final String OFFSET_DATETIME_CLASS = OffsetDateTime.class.getName();
+	private static final String ZONED_DATETIME_CLASS = ZonedDateTime.class.getName();
+
 	private AnnotationBinder() {}
 
 	public static void bindDefaults(MetadataBuildingContext context) {
@@ -1780,31 +1786,6 @@ public final class AnnotationBinder {
 		return null;
 	}
 
-	static Class<? extends CompositeUserType<?>> resolveTimeZoneStorageCompositeUserType(
-			XProperty property,
-			XClass returnedClass,
-			MetadataBuildingContext context) {
-		if ( property != null ) {
-			final TimeZoneStorage timeZoneStorage = property.getAnnotation( TimeZoneStorage.class );
-			if ( timeZoneStorage != null ) {
-				switch ( timeZoneStorage.value() ) {
-					case AUTO:
-						if ( context.getBuildingOptions().getDefaultTimeZoneStorage() != TimeZoneStorageStrategy.COLUMN ) {
-							return null;
-						}
-					case COLUMN:
-						switch ( returnedClass.getName() ) {
-							case "java.time.OffsetDateTime":
-								return OffsetDateTimeCompositeUserType.class;
-							case "java.time.ZonedDateTime":
-								return ZonedDateTimeCompositeUserType.class;
-						}
-				}
-			}
-		}
-		return null;
-	}
-
 	private static boolean isGlobalGeneratorNameGlobal(MetadataBuildingContext context) {
 		return context.getBootstrapContext().getJpaCompliance().isGlobalGeneratorScopeEnabled();
 	}
@@ -2495,4 +2476,51 @@ public final class AnnotationBinder {
 			LOG.ignoreNotFoundWithFetchTypeLazy( entity, association );
 		}
 	}
+
+	private static Class<? extends CompositeUserType<?>> resolveTimeZoneStorageCompositeUserType(
+			XProperty property,
+			XClass returnedClass,
+			MetadataBuildingContext context) {
+		if ( useColumnForTimeZoneStorage( property, context ) ) {
+			String returnedClassName = returnedClass.getName();
+			if ( OFFSET_DATETIME_CLASS.equals( returnedClassName ) ) {
+				return OffsetDateTimeCompositeUserType.class;
+			}
+			else if ( ZONED_DATETIME_CLASS.equals( returnedClassName ) ) {
+				return ZonedDateTimeCompositeUserType.class;
+			}
+		}
+		return null;
+	}
+
+	private static boolean isZonedDateTimeClass(String returnedClassName) {
+		return OFFSET_DATETIME_CLASS.equals( returnedClassName )
+			|| ZONED_DATETIME_CLASS.equals( returnedClassName );
+	}
+
+	static boolean useColumnForTimeZoneStorage(XAnnotatedElement element, MetadataBuildingContext context) {
+		final TimeZoneStorage timeZoneStorage = element.getAnnotation( TimeZoneStorage.class );
+		if ( timeZoneStorage == null ) {
+			if ( element instanceof XProperty ) {
+				XProperty property = (XProperty) element;
+				return isZonedDateTimeClass( property.getType().getName() )
+					//no @TimeZoneStorage annotation, so we need to use the default storage strategy
+					&& context.getBuildingOptions().getDefaultTimeZoneStorage() == TimeZoneStorageStrategy.COLUMN;
+			}
+			else {
+				return false;
+			}
+		}
+		else {
+			switch ( timeZoneStorage.value() ) {
+				case COLUMN:
+					return true;
+				case AUTO:
+					// if the db has native support for timezones, we use that, not a column
+					return context.getBuildingOptions().getTimeZoneSupport() != TimeZoneSupport.NATIVE;
+				default:
+					return false;
+			}
+		}
+	}
 }
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/annotations/BasicValueBinder.java b/hibernate-core/src/main/java/org/hibernate/cfg/annotations/BasicValueBinder.java
index acdd2a1e27..6b265476c2 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/annotations/BasicValueBinder.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/annotations/BasicValueBinder.java
@@ -930,9 +930,7 @@ public class BasicValueBinder implements JdbcTypeIndicators {
 
 			final Target targetAnn = findAnnotation( attributeXProperty, Target.class );
 			if ( targetAnn != null ) {
-				return (BasicJavaType<?>) typeConfiguration
-						.getJavaTypeRegistry()
-						.getDescriptor( targetAnn.value() );
+				return (BasicJavaType<?>) typeConfiguration.getJavaTypeRegistry().getDescriptor( targetAnn.value() );
 			}
 
 			return null;
@@ -965,9 +963,6 @@ public class BasicValueBinder implements JdbcTypeIndicators {
 				}
 			}
 		}
-		else {
-			timeZoneStorageType = null;
-		}
 	}
 
 	private static Class<? extends UserType<?>> normalizeUserType(Class<? extends UserType<?>> userType) {
diff --git a/hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/InstantJdbcType.java b/hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/InstantJdbcType.java
index 6751e1f670..dfb430433d 100644
--- a/hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/InstantJdbcType.java
+++ b/hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/InstantJdbcType.java
@@ -13,7 +13,6 @@ import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.sql.Types;
 import java.time.Instant;
-import java.time.OffsetDateTime;
 
 import org.hibernate.type.SqlTypes;
 import org.hibernate.type.descriptor.ValueBinder;