AST hqlSqlWithNode = returnAST;
if ( log.isDebugEnabled() ) {
log.debug( "handleWithFragment() : " + getASTPrinter().showAsString( hqlSqlWithNode, "-- with clause --" ) );
}
WithClauseVisitor visitor = new WithClauseVisitor( fromElement );
NodeTraverser traverser = new NodeTraverser( visitor );
traverser.traverseDepthFirst( hqlSqlWithNode );
String withClauseJoinAlias = visitor.getJoinAlias();
if ( withClauseJoinAlias == null ) {
withClauseJoinAlias = fromElement.getCollectionTableAlias();
}