original_string: protected function createSelect($config = null)
  	{
  		$config = $config ? $config : $this->config;
  		$select = array();
  		if( ($columns = $config["columns"]) )
  		{
  			foreach($columns as $db_key => $export_key)
  			{
  				$select[]= "{$db_key} as {$export_key}";
  			}
  		}
  		return $select;
  	}
code: protected function createSelect($config = null)
  	{
  		$config = $config ? $config : $this->config;
  		$select = array();
  		if( ($columns = $config["columns"]) )
  		{
  			foreach($columns as $db_key => $export_key)
  			{
  				$select[]= "{$db_key} as {$export_key}";
  			}
  		}
  		return $select;
  	}
code_tokens: protected function createSelect ( $ config = null ) { $ config = $ config ? $ config : $ this -> config ; $ select = array ( ) ; if ( ( $ columns = $ config [ "columns" ] ) ) { foreach ( $ columns as $ db_key => $ export_key ) { $ select [ ] = "{$db_key} as {$export_key}" ; } } return $ select ; }
docstring: Create select to make the CsvFile attributes
  to export
  
  @return  String
docstring_tokens: Create select to make the CsvFile attributes to export