3 Commits

Author	SHA1	Message	Date
Sergey Petrunya	352e848f21	BUG#920132: Assert trx->n_active_thrs == 1 failed at que0que.c line 1050 ... - MySQL 5.5 introduced caching of constant items by means of wrapping them in Item_cache_XXX objects. If a subquery was wrapped in this cache, it could end up being pushed down by ICP. - The fix is to add Item_cache::walk() which lets ICP to see that the cache item has a subquery inside it, and disable pushdown for this case.	2012-02-21 01:50:50 +04:00
Sergey Petrunya	1492de8563	Set the default to be mrr=off,mrr_sort_keys=off: ... - Set the default - Adjust the testcases so that 'new' tests are run with optimizations turned on. - Pull out relevant tests from "irrelevant" tests and run them with optimizations on. - Run range.test and innodb.test with both mrr=on and mrr=off	2011-07-08 18:46:47 +04:00
Sergey Petrunya	d0535d80a1	Test case backport for: Bug#42580 - Innodb's ORDER BY ..LIMIT returns no rows for null-safe operator <=> NULL	2011-01-14 16:38:41 +03:00