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MDEV-6513 deprecate engine_condition_pushdown value of the @@optimizer_switch

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* ignore the OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN bit
* issue a deprecation warning on 'engine_condition_pushdown=on'
* remove unused remains of the old pre-5.5 engine_condition_pushdown variable
This commit is contained in:
Sergei Golubchik
2014-08-25 23:13:37 +02:00
parent 686f102eb9
commit ab34aecff3
14 changed files with 26 additions and 342 deletions
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4
mysql-test/r/subselect4.result
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@ -427,6 +427,8 @@ KEY `varchar_key` (`varchar_key`)
INSERT INTO `t1` VALUES (10,'00:00:00','i','i'),(11,'00:00:00','','');
set @old_optimizer_switch = @@session.optimizer_switch;
SET SESSION OPTIMIZER_SWITCH = 'materialization=off,semijoin=off,loosescan=off,firstmatch=off,mrr=on,engine_condition_pushdown=on';
Warnings:
Warning 1681 'engine_condition_pushdown=on' is deprecated and will be removed in a future release.
SELECT `time_nokey` G1 FROM t1 WHERE ( `varchar_nokey` , `varchar_key` ) IN (
SELECT `varchar_nokey` , `varchar_nokey` ) AND `varchar_key` >= 'c' HAVING G1 ORDER
BY `pk` ;
@ -615,6 +617,8 @@ INSERT INTO t2 VALUES (9,1);
# Enable Index condition pushdown
set @old_icp=@@optimizer_switch;
SET SESSION optimizer_switch="engine_condition_pushdown=on";
Warnings:
Warning 1681 'engine_condition_pushdown=on' is deprecated and will be removed in a future release.
SELECT pk
FROM t2