add generic get_DB_id_by_clause

totoro
1 parent 974c8566
Showing 1 changed file with 14 additions and 0 deletions Show diff stats
controller/hk_sql_utils.anubis
@@ -160,6 +160,20 @@ public define Maybe(Int)
   get_mb_id_by_clause(db, table_name, "id", clause)
 .
+public define DB_id
+  get_DB_id_by_clause
+  (
+    SQLite3DataBase db,
+    String          table_name,  
+    String          clause
+  )=
+  if get_mb_id_by_clause(db, table_name, "id", clause) is
+  {
+    failure     then none,
+    success(id) then db_id(id)
+  }
+.
+
 public define Maybe(One -> SQLite3Row)
   get_cursor_by_clause
   (