Georgi Kodinov 7c3ae51647 Bug #41437: Value stored in 'case' lacks charset, causes segfault ...

When substituting system constant functions with a constant result
the server was not expecting that the function may return NULL.
Fixed by checking for NULL and returning Item_null (in the relevant
collation) if the result of the system constant function was NULL.

2009-01-09 13:50:18 +02:00

15 KiB

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