diff --git a/controller/hk_sql_utils.anubis b/controller/hk_sql_utils.anubis
index 8d308cf..929b68e 100644
--- a/controller/hk_sql_utils.anubis
+++ b/controller/hk_sql_utils.anubis
@@ -179,6 +179,26 @@ public define List(Int)
   }
 .
 
+public define List(DB_id)
+  get_db_ids_by_clause
+  (
+    SQLite3DataBase db,
+    String          table_name,
+    String          id_col,
+    String          clause
+  )=
+  with final_clause = if clause = "" then
+                         ""
+                      else
+                        "WHERE "+clause,
+
+  if sql_query_timeout(db, "SELECT \""+id_col+"\" FROM "+table_name+" "+final_clause+";", [], "get_ids_by_clause") is
+  {
+    error(_)         then [],
+    ok(_, cursor, _) then db_get_List_DB_id(cursor)
+  }
+.
+
 public define Maybe(Int)
   get_mb_id_by_clause
   (
--
libgit2 0.21.4