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Manual merge from mysql-5.1-bugteam to mysql-trunk-merge.

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Conflicts:

Text conflict in scripts/Makefile.am
Text conflict in sql/share/Makefile.am
This commit is contained in:
Alexey Kopytov
2010-02-26 16:06:31 +03:00
parent 456926721a 1bb6ea1727
commit 031657c694
18 changed files with 242 additions and 52 deletions
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12
mysql-test/t/innodb_mysql.test
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@ -545,6 +545,18 @@ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb ;
SELECT 1 FROM t1 JOIN t1 a USING(a) GROUP BY t1.a,t1.a;
DROP TABLE t1;
--echo #
--echo # Bug#50843: Filesort used instead of clustered index led to
--echo # performance degradation.
--echo #
create table t1(f1 int not null primary key, f2 int) engine=innodb;
create table t2(f1 int not null, key (f1)) engine=innodb;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (1),(2),(3);
explain select t1.* from t1 left join t2 using(f1) group by t1.f1;
drop table t1,t2;
--echo #
--echo End of 5.1 tests