Igor Babaev 748d993cca Fixed bug mdev-11364. ...

The function Item_func_isnull::update_used_tables() must
handle the case when the predicate is over not nullable
column in a special way.
This is actually a bug of MariaDB 5.3/5.5, but it's probably
hard to demonstrate that it can cause problems there.

2016-11-29 11:29:07 -08:00

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