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10.0-base merge

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Sergei Golubchik
2014-02-03 15:22:39 +01:00
parent 5e1d5d9bc0 2acc01b3cf
commit 72c20282db
280 changed files with 13377 additions and 762 deletions
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28
mysql-test/t/innodb_ext_key.test
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@@ -663,6 +663,34 @@ ORDER BY rev_timestamp ASC LIMIT 10;
DROP TABLE t1,t2,t3;
--echo #
--echo # MDEV-5424 SELECT using ORDER BY DESC and LIMIT produces unexpected
--echo # results (InnoDB/XtraDB)
--echo #
create table t1 (a bigint not null unique auto_increment, b varchar(10), primary key (a), key (b(2))) engine = myisam default character set utf8;
create table t2 (a bigint not null unique auto_increment, b varchar(10), primary key (a), key (b(2))) engine = innodb default character set utf8;
insert into t1 (b) values (null), (null), (null);
insert into t2 (b) values (null), (null), (null);
set optimizer_switch='extended_keys=on';
explain select a from t1 where b is null order by a desc limit 2;
select a from t1 where b is null order by a desc limit 2;
explain select a from t2 where b is null order by a desc limit 2;
select a from t2 where b is null order by a desc limit 2;
set optimizer_switch='extended_keys=off';
explain select a from t2 where b is null order by a desc limit 2;
select a from t2 where b is null order by a desc limit 2;
explain select a from t2 where b is null order by a desc;
select a from t2 where b is null order by a desc;
explain select a from t2 where b is null order by a desc,a,a;
select a from t2 where b is null order by a desc,a,a;
drop table t1, t2;
set optimizer_switch=@save_optimizer_switch;
set optimizer_switch=@save_ext_key_optimizer_switch;