}
}
private CommonTree parse(String preparedSql) {
CommonTree result = null;
ANTLRNoCaseStringStream inputStream = new ANTLRNoCaseStringStream(preparedSql);
MySQL51Lexer lexer = new MySQL51Lexer(inputStream);
CommonTokenStream tokens = new CommonTokenStream(lexer);
lexer.setErrorListener(new QueuingErrorListener(lexer));
tokens.getTokens();
if (lexer.getErrorListener().hasErrors()) {