unknown 010971a761 MDEV-6156: Parallel replication incorrectly caches charset between worker threads ...

Replication caches the character sets used in a query, to be able to quickly
reuse them for the next query in the common case of them not having changed.

In parallel replication, this caching needs to be per-worker-thread. The
code was not modified to handle this correctly, so the caching in one worker
could cause another worker to run a query using the wrong character set,
causing replication corruption.

2014-04-23 16:06:06 +02:00

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