HHH-19595 - Implement support for upserts in HSQLDB

Signed-off-by: Jan Schatteman <[email protected]>

Author: jrenaat

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

@@ -35,6 +35,7 @@
 import org.hibernate.exception.spi.ViolatedConstraintNameExtractor;
 import org.hibernate.metamodel.mapping.EntityMappingType;
 import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
+import org.hibernate.persister.entity.mutation.EntityMutationTarget;
 import org.hibernate.query.sqm.CastType;
 import org.hibernate.query.sqm.IntervalType;
 import org.hibernate.query.common.TemporalUnit;
@@ -51,6 +52,8 @@
 import org.hibernate.sql.ast.spi.StandardSqlAstTranslatorFactory;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.exec.spi.JdbcOperation;
+import org.hibernate.sql.model.MutationOperation;
+import org.hibernate.sql.model.internal.OptionalTableUpdate;
 import org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorHSQLDBDatabaseImpl;
 import org.hibernate.tool.schema.extract.spi.SequenceInformationExtractor;
 import org.hibernate.type.spi.TypeConfiguration;
@@ -782,4 +785,13 @@ public boolean supportsRowValueConstructorSyntaxInInList() {
 		return false;
 	}
 
+	@Override
+	public MutationOperation createOptionalTableUpdateOperation(
+			EntityMutationTarget mutationTarget,
+			OptionalTableUpdate optionalTableUpdate,
+			SessionFactoryImplementor factory) {
+		return new HSQLSqlAstTranslator<>( factory, optionalTableUpdate )
+				.createMergeOperation( optionalTableUpdate );
+	}
+
 }

hibernate-core/src/main/java/org/hibernate/dialect/sql/ast/HSQLSqlAstTranslator.java

@@ -13,7 +13,7 @@
 import org.hibernate.query.sqm.ComparisonOperator;
 import org.hibernate.sql.ast.Clause;
 import org.hibernate.sql.ast.SqlAstNodeRenderingMode;
-import org.hibernate.sql.ast.spi.AbstractSqlAstTranslator;
+import org.hibernate.sql.ast.spi.SqlAstTranslatorWithMerge;
 import org.hibernate.sql.ast.spi.SqlSelection;
 import org.hibernate.sql.ast.tree.Statement;
 import org.hibernate.sql.ast.tree.expression.CaseSearchedExpression;
@@ -40,7 +40,7 @@
  *
  * @author Christian Beikov
  */
-public class HSQLSqlAstTranslator<T extends JdbcOperation> extends AbstractSqlAstTranslator<T> {
+public class HSQLSqlAstTranslator<T extends JdbcOperation> extends SqlAstTranslatorWithMerge<T> {
 
 	public HSQLSqlAstTranslator(SessionFactoryImplementor sessionFactory, Statement statement) {
 		super( sessionFactory, statement );