Sergey Vojtovich 4daaa02880 BUG#11766720 - setting storage engine to null segfaults mysqld ...

MONTHNAME(0) claims that it is about to return NOT NULL
value, whereas it actually returns NULL.

As a result storage_engine variable (which cannot be NULL)
protection was bypassed and NULL value was accepted, causing
server crash.

Fixed MONTHNAME(0) to report valid NULL flag.

2011-02-18 11:10:30 +03:00

36 KiB

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