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Author SHA1 Message Date
Sergey Petrunya
e1f94a6985 MDEV-5337: Wrong result in mariadb 5.5.32 with ORDER BY + LIMIT when index_condition_pushdown=on 
- in test_if_skip_sort_order(), correct the condition under which
  we have the code that restores the previously pushed index condition.
 2014-01-24 23:40:48 +04:00
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