HHH-13695 DDL export forgets to close a Statement

Author: Sanne

hibernate-core/src/main/java/org/hibernate/tool/schema/internal/exec/GenerationTargetToDatabase.java

@@ -86,6 +86,15 @@ private Statement jdbcStatement() {
 
 @Override
 public void release() {
+if ( jdbcStatement != null ) {
+try {
+jdbcStatement.close();
+jdbcStatement = null;
+}
+catch (SQLException e) {
+throw ddlTransactionIsolator.getJdbcContext().getSqlExceptionHelper().convert( e, "Unable to close JDBC Statement after DDL execution" );
+}
+}
 if ( releaseAfterUse ) {
 ddlTransactionIsolator.release();
 }