Add Maybe as possible row container type

2024-07-03 11:12:07 +02:00
parent 56585dd5f1
commit 97e5d9e61c
3 changed files with 36 additions and 18 deletions
@@ -18,6 +18,7 @@ data Error
  | ErrorUnexpectedNull ErrorPosition
  | ErrorInvalidField ErrorPosition Oid ByteString String
  | ErrorNotExactlyOneRow
+  | ErrorMoreThanOneRow
  deriving (Eq, Show)

 instance Exception Error where