fix weird sql issue

db.php

@@ -158,15 +158,16 @@ function getRowsByCompany($id_company, $week_number = null)
 				SELECT id_file_row
 				FROM file_row_update
 				WHERE WEEK(date_modified) = :week_number
-			) OR id_file_row IN
-			(
+			
+				UNION
+				
 				SELECT id_file_row
-				FROM file_row_update
+				FROM file_row
 				WHERE WEEK(date_processed) = :week_number
 			)
 		) " : "") .
 		"LIMIT 5000";
-	
+
 	$stmt = $dbh->prepare($sql);
 
 	if($week_number)