Gdn_SQLDriver::beginWhereGroup PHP 메소드

    public function beginWhereGroup()
    {
        $this->_WhereGroupConcat = $this->_WhereConcat;
        $this->_WhereGroupCount++;
        $this->_OpenWhereGroupCount++;
        return $this;
    }

 /** Add the sql to perform a search.
  *
  * @param Gdn_SQLDriver $Sql
  * @param string $Columns a comma seperated list of columns to search on.
  */
 public function addMatchSql($Sql, $Columns, $LikeRelavenceColumn = '')
 {
     if ($this->_SearchMode == 'like') {
         if ($LikeRelavenceColumn) {
             $Sql->select($LikeRelavenceColumn, '', 'Relavence');
         } else {
             $Sql->select(1, '', 'Relavence');
         }
         $Sql->beginWhereGroup();
         $ColumnsArray = explode(',', $Columns);
         $First = true;
         foreach ($ColumnsArray as $Column) {
             $Column = trim($Column);
             $Param = $this->Parameter();
             if ($First) {
                 $Sql->where("{$Column} like {$Param}", null, false, false);
                 $First = false;
             } else {
                 $Sql->orWhere("{$Column} like {$Param}", null, false, false);
             }
         }
         $Sql->endWhereGroup();
     } else {
         $Boolean = $this->_SearchMode == 'boolean' ? ' in boolean mode' : '';
         $Param = $this->Parameter();
         $Sql->select($Columns, "match(%s) against({$Param}{$Boolean})", 'Relavence');
         $Param = $this->Parameter();
         $Sql->where("match({$Columns}) against ({$Param}{$Boolean})", null, false, false);
     }
 }