File: Utility.hs

package info (click to toggle)
git-annex 10.20250416-2
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 73,572 kB
  • sloc: haskell: 90,656; javascript: 9,103; sh: 1,469; makefile: 211; perl: 137; ansic: 44
file content (27 lines) | stat: -rw-r--r-- 693 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
{- Persistent sqlite database utilities.
 -
 - Copyright 2023 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU AGPL version 3 or higher.
 -}

{-# LANGUAGE TypeFamilies, CPP #-}
{-# OPTIONS_GHC -fno-warn-missing-signatures #-}

module Database.Utility (
	insertUniqueFast,
) where

import Control.Monad
import Database.Persist.Class

{- insertUnique_ is 2x as fast as insertUnique, so use when available.
 -
 - It would be difficult to write the type signature here, since older
 - versions of persistent have different constraints on insertUnique.
 -}
#if MIN_VERSION_persistent(2,14,5)
insertUniqueFast x = void (insertUnique_ x)
#else
insertUniqueFast x = void (insertUnique x)
#endif