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Change optimizer_use_mrr=auto|disable|force

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to be optimizer_switch flags mrr=on|off and mrr_cost_based=on|off.
This commit is contained in:
Sergey Petrunya
2011-06-03 00:25:58 +04:00
parent c44c1bd188
commit 9482e387e6
14 changed files with 64 additions and 72 deletions
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6
mysql-test/t/innodb_mrr.test
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@@ -370,14 +370,14 @@ set join_buffer_size=@my_save_join_buffer_size;
--echo #
create table t1 (pk int primary key, b int, c int default 0, index idx(b)) engine=innodb;
insert into t1(pk,b) values (3, 30), (2, 20), (9, 90), (7, 70), (4, 40), (5, 50), (10, 100), (12, 120);
set @my_save_optimizer_use_mrr=@@optimizer_use_mrr;
set optimizer_use_mrr='disable';
set @bug665669_tmp=@@optimizer_switch;
set optimizer_switch='mrr=off';
explain select * from t1 where b > 1000;
--echo # The following two must produce indentical results:
select * from t1 where pk < 2 or pk between 3 and 4;
select * from t1 where pk < 2 or pk between 3 and 4;
drop table t1;
set optimizer_use_mrr = @my_save_optimizer_use_mrr;
set optimizer_switch = @bug665669_tmp;
--echo #
--echo # Bug#43360 - Server crash with a simple multi-table update
--echo #