is::checkColumnExists

static function checkColumnExists($tableName, $columnName)
{
	if((string) $tableName == '' || (string) $columnName == '')
	{
		return false;
	}

	try
	{
		@BitrixMainHttpApplication::getConnection()->query("select ".$columnName." from ".$tableName." WHERE 1=0");
		return true;
	}
	catch(BitrixMainDBSqlQueryException $e)
	{
		return false;
	}
}