[Tarantool-patches] [PATCH 2/2] vinyl: clean-up read views if *_build_history() fails
Vladislav Shpilevoy
v.shpilevoy at tarantool.org
Sat Apr 11 01:32:48 MSK 2020
On 10/04/2020 23:45, Nikita Pettik wrote:
> On 10 Apr 15:47, Nikita Pettik wrote:
>
> I've also found that vy_read_view_merge() can fail as well during
> processing array of read views. Thus, we should clean-up unprocessed
> read views as well. Diff:
>
> diff --git a/src/box/vy_write_iterator.c b/src/box/vy_write_iterator.c
> index 7d8c60d73..165b422fd 100644
> --- a/src/box/vy_write_iterator.c
> +++ b/src/box/vy_write_iterator.c
> @@ -986,8 +986,11 @@ vy_write_iterator_build_read_views(struct vy_write_iterator *stream, int *count)
> if (rv->history == NULL)
> continue;
> if (vy_read_view_merge(stream, hint, rv,
> - is_first_insert) != 0)
> + is_first_insert) != 0) {
> + while (rv >= &stream->read_views[0]) {
> + rv->history = NULL;
> + rv--;
> + }
> goto error;
The same question as to the previous fix - shouldn't that be
cleaned by the function, which created the mess, by
vy_read_view_merge() internally?
> + }
> assert(rv->history == NULL);
> if (rv->tuple == NULL)
> continue;
>
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