Sergei Golubchik 5d0122bd77 MDEV-7113 difference between check_vcol_func_processor and check_partition_func_processor ...

MDEV-6789 segfault in Item_func_from_unixtime::get_date on updating table with virtual columns

* prohibit VALUES in partitioning expression
* prohibit user and system variables in virtual column expressions
* fix Item_func_date_format to cache locale (for %M/%W to return the same as MONTHNAME/DAYNAME)
* fix Item_func_from_unixtime to cache time_zone directly, not THD (and not to crash)
* added tests for other incorrectly allowed (in vcols) functions to see that they don't crash

2014-11-18 15:42:40 +01:00

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