Fixes 500 when set returning function returns an empty row set [fix #332]

2015-10-27 21:19:55 -04:00
parent bd1826670e
commit 4369a5617e
3 changed files with 13 additions and 2 deletions
@@ -116,7 +116,7 @@ asJsonWithCount = withCount . asJson
 asJson :: StatementT
 asJson s = s {
  B.stmtTemplate =
-    "array_to_json(array_agg(row_to_json(t)))::character varying from ("
+    "array_to_json(coalesce(array_agg(row_to_json(t)), '{}'))::character varying from ("
    <> B.stmtTemplate s <> ") t" }

 withCount :: StatementT