HHH-13715 - working support for "multi-table" HQL/Criteria UPDATE and DELETE queries;

work on CTE-base multi-table handling

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

@@ -6,11 +6,6 @@
  */
 package org.hibernate.dialect;
 
-import org.hibernate.metamodel.mapping.EntityMappingType;
-import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
-import org.hibernate.query.sqm.mutation.internal.cte.CteBasedMutationStrategy;
-import org.hibernate.query.sqm.mutation.spi.SqmMultiTableMutationStrategy;
-
 /**
  * @author Vlad Mihalcea
  */
@@ -23,18 +18,6 @@ public class MariaDBDialect extends MySQL5Dialect {
 		return true;
 	}
 
-	@Override
-	public boolean supportsNonQueryWithCTE() {
-		return true;
-	}
-
-	@Override
-	public SqmMultiTableMutationStrategy getFallbackSqmMutationStrategy(
-			EntityMappingType rootEntityDescriptor,
-			RuntimeModelCreationContext runtimeModelCreationContext) {
-		return new CteBasedMutationStrategy( rootEntityDescriptor.getEntityPersister(), runtimeModelCreationContext );
-	}
-
 	@Override
 	protected MySQLStorageEngine getDefaultMySQLStorageEngine() {
 		return InnoDBStorageEngine.INSTANCE;

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

@@ -365,7 +365,7 @@ public class MySQLDialect extends Dialect {
 						return "drop temporary table";
 					}
 				},
-				AfterUseAction.NONE,
+				AfterUseAction.DROP,
 				TempTableDdlTransactionHandling.NONE
 		);
 	}