CAllWorkflow::IsPreviewExists

static function IsPreviewExists($FILENAME)
{
	global $DB;

	$z = $DB->Query("
		SELECT ID
		FROM b_workflow_preview
		WHERE FILENAME='".$DB->ForSql($FILENAME,255)."'
	", false, CAllWorkflow::err_mess()."
Function: IsPreviewExists
Line: ".__LINE__);

	$zr = $z->Fetch();
	return intval($zr["ID"]);
}