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3 commits

Author SHA1 Message Date
Igor Babaev
b4b7d941fe Fixed LP bug #889750. 
If the optimizer switch 'semijoin_with_cache' is set to 'off' then 
join cache cannot be used to join inner tables of a semijoin.

Also fixed a bug in the function check_join_cache_usage() that led
to wrong output of the EXPLAIN commands for some test cases.
 2011-11-15 13:03:00 -08:00
Sergey Petrunya
47861a6577 Change the default @@optimizer_switch settings: 
- semijoin=on
- firstmatch=on
- loosescan=on
 2011-11-02 13:48:41 +04:00
Sergey Petrunya
2d325b3cc2 Forgot to add these two files when setting semijoin=off by default: 
- Scavenged subquery tests from testcases other than t/subselect*.test and put them into single file
 2011-07-08 18:49:53 +04:00