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| author | Alex Morega <alex@grep.ro> | 2022-08-23 12:55:30 +0300 |
|---|---|---|
| committer | Carlton Gibson <carlton.gibson@noumenal.es> | 2022-08-23 11:58:53 +0200 |
| commit | 8a8a00388b065b3a7c43f7b0d887f64c81a367b8 (patch) | |
| tree | fee8414b1bfafe31595edbbfcefb93e9fbfcebdb | |
| parent | 85942cf6692f44d11d6d574b2429d201cc1e0aa7 (diff) | |
[4.1.x] Fixed #33939 -- Used functools.partial() in transaction.on_commit() examples.
Backport of 7e6b537f5b92be152779fc492bb908d27fe7c52a from main
| -rw-r--r-- | docs/topics/db/transactions.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/topics/db/transactions.txt b/docs/topics/db/transactions.txt index d87f31af26..b4c3fbba48 100644 --- a/docs/topics/db/transactions.txt +++ b/docs/topics/db/transactions.txt @@ -308,9 +308,11 @@ Pass any function (that takes no arguments) to :func:`on_commit`:: transaction.on_commit(do_something) -You can also wrap your function in a lambda:: +You can also bind arguments to your function using :func:`functools.partial`:: - transaction.on_commit(lambda: some_celery_task.delay('arg1')) + from functools import partial + + transaction.on_commit(partial(some_celery_task.delay, 'arg1')) The function you pass in will be called immediately after a hypothetical database write made where ``on_commit()`` is called would be successfully |