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After this patch SYSTEM FLUSH LOGS will force system.*_log table creatoins (only for enabled tables of course). This will avoid such hacks like: set log_queries=1; select 1; system flush logs; This is the second version of the patch, since first has a deadlock [1] (reported by @alesapin). This version does not use separate lock and do not issue CREATE TABLE from the query execution thread, instead it activate flushing thread to do so, hence this should be the same as if the table will be created during flush. [1]: https://gist.github.com/alesapin/d915d1deaa27d49aa31223daded02be2 Fixes: #11563 Cc: @alesapin Cc: @nikitamikhaylov |
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