CHG: the statement !$clause['alias'] has been replaced by empty($clause['alias']), it will prevent php-notices if 'alias' has not been defined.
CHG: the statement !$clause['alias'] has been replaced by empty($clause['alias']), it will prevent php-notices if 'alias' has not been defined.
476552238li/php-sql-parser,xiaoyao-work/php-sql-parser,sulheru/php-sql-parser,maietta/php-sql-parser,google-code-export/php-sql-parser