System.out.println( "input: ->" + ASTPrinter.escapeMultibyteChars(input) + "<-" );
HqlParser parser = HqlParser.getInstance( input );
parser.setFilter( filter );
parser.statement();
AST ast = parser.getAST();
System.out.println( "AST : " + ast.toStringTree() + "" );
ByteArrayOutputStream baos = new ByteArrayOutputStream();
parser.showAst( ast, new PrintStream( baos ) );
System.out.println( baos.toString() );
assertEquals( "At least one error occurred during parsing!", 0, parser.getParseErrorHandler().getErrorCount() );
return ast;