Only delete one row with delete_id

scripts/init.sql

@@ -3,7 +3,6 @@ PRAGMA encoding            = 'UTF-8';
 PRAGMA recursive_triggers  = true;
 PRAGMA foreign_keys        = true;
 
-
 -- Definition of a kara
 
 CREATE TABLE IF NOT EXISTS kara

src/database/queue.c

@@ -259,7 +259,7 @@ database_queue_del_id(volatile sqlite3 *db, int id)
         " WHEN current IS NULL THEN NULL"
         " ELSE (SELECT pos FROM before) "
         "END WHERE current > (SELECT position FROM queue WHERE kara_id = %d);"
-        "DELETE FROM queue WHERE kara_id = %d;"
+        "DELETE FROM queue WHERE kara_id = %d LIMIT 1;"
         "COMMIT TRANSACTION;";
     char SQL[LKT_MAX_SQLITE_STATEMENT];
     snprintf(SQL, LKT_MAX_SQLITE_STATEMENT - 1, SQL_TEMPLATE, id, id, id);