[MDEV-7858] main.subselect_sj2_jcl6 fails in buildbot Created: 2015-03-27  Updated: 2015-03-30  Resolved: 2015-03-30

Status: Closed
Project: MariaDB Server
Component/s: Tests
Affects Version/s: 5.5
Fix Version/s: 5.5.43

Type: Bug Priority: Critical
Reporter: Elena Stepanova Assignee: Sergei Petrunia
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Blocks
blocks MDEV-7069 Fix buildbot failures in main server ... Stalled

 Description   

http://buildbot.askmonty.org/buildbot/builders/kvm-bintar-centos5-amd64/builds/1246/steps/test/logs/stdio

main.subselect_sj2_jcl6 'innodb_plugin'  w1 [ fail ]
        Test ended at 2015-03-17 20:35:53
 
CURRENT_TEST: main.subselect_sj2_jcl6
--- /usr/local/mariadb-5.5.42-linux-x86_64/mysql-test/r/subselect_sj2_jcl6,innodb_plugin.result~	2015-03-17 20:35:53.000000000 +0100
+++ /usr/local/mariadb-5.5.42-linux-x86_64/mysql-test/r/subselect_sj2_jcl6,innodb_plugin.reject	2015-03-17 20:35:53.000000000 +0100
@@ -1272,7 +1272,7 @@
 );
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	T3_0_	ref	PRIMARY,FK_T3_T2Id	PRIMARY	8	const	3	Using index; Start temporary
-1	PRIMARY	T2_1_	eq_ref	PRIMARY,FK_T2_T1Id	PRIMARY	8	test.T3_0_.t2idref	1	Using join buffer (flat, BKA join); Key-ordered scan
+1	PRIMARY	T2_1_	eq_ref	PRIMARY,FK_T2_T1Id	PRIMARY	8	test.T3_0_.t2idref	1	
 1	PRIMARY	T1_1_	eq_ref	PRIMARY	PRIMARY	8	test.T2_1_.t1idref	1	Using index
 1	PRIMARY	T2_0_	ref	FK_T2_T1Id	FK_T2_T1Id	8	test.T2_1_.t1idref	1	Using index; End temporary
 drop table t3,t2,t1;

The test started failing with this revision:

Change #46036

Category None
Changed by Sergei Petrunia <psergey@askmonty.org>
Changed at Tue 17 Mar 2015 12:26:33
Repository https://github.com/MariaDB/server
Branch 5.5
Revision c020d362b68d0cfad03cabdeef508ca22e26d485
Comments

MDEV-7474: Semi-Join's DuplicateWeedout strategy skipped ...

JOIN::cur_dups_producing_tables was not maintained correctly in
the cases of greedy optimization (search_depth < n_tables).

Moved it to POSITION structure where it will be maintained automatically.

Removed POSITION::prefix_dups_producing_tables since its value can now
be calculated.

Only InnoDB plugin combination fails.


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