update parser_sql

tools/parser_sql/processors/SelectProcessor.php

@@ -30,7 +30,7 @@
  * DAMAGE.
  */
 
-require_once(dirname(__FILE__) . '/SelectExpressionProcessor.php');
+namespace PHPSQLParser\processors;
 
 /**
  * 
@@ -50,6 +50,8 @@ class SelectProcessor extends SelectExpressionProcessor {
                 $expression['delim'] = ',';
                 $expressionList[] = $expression;
                 $expression = "";
+            } else if ($this->isCommentToken($token)) {
+                $expressionList[] = parent::processComment($token);
             } else {
                 switch (strtoupper($token)) {