4 commits

Author	SHA1	Message	Date
Sergei Golubchik	180065ebb0	Item::print(): remove redundant parentheses ... by introducing new Item::precedence() method and using it to decide whether parentheses are required	2016-12-12 20:44:41 +01:00
Sergei Golubchik	1db438c833	MDEV-11066 use MySQL terminology for "virtual columns"	2016-12-12 20:35:51 +01:00
Sergei Golubchik	a411d7f4f6	store/show vcols as item->print() ... otherwise we'd need to store sql_mode *per vcol* (consider CREATE INDEX...) and how SHOW CREATE TABLE would support that? Additionally, get rid of vcol::expr_str, just to make sure the string is always generated and never leaked in the original form.	2016-12-12 20:35:41 +01:00
Sergei Golubchik	a418c99200	gcol mysql-test suite from 5.7 ... update tests and results, fix bugs	2016-12-12 20:27:36 +01:00