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2 commits

Author SHA1 Message Date
Sergey Petrunya
fdd19a6c63 Subquery optimizations backport:
- Update test results
- More comments
- Add Item_in_optimizer::transform() which was lost in backport
2010-02-17 13:05:27 +03:00
Sergey Petrunya
b83cb52e9e Backport of subquery optimizations to 5.3.
There are still test failures because of:
- Wrong query results in outer join + semi join
- EXPLAIN output differences
2010-01-17 17:51:10 +03:00