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| author | unknown <monty@hundin.mysql.fi> | 2001-11-29 15:34:37 +0200 |
|---|---|---|
| committer | unknown <monty@hundin.mysql.fi> | 2001-11-29 15:34:37 +0200 |
| commit | 573eb1dec4a96d304b1abf4f2cf50236f58f6409 (patch) | |
| tree | 5278a62187996e3ff76046ee3a27680bcadfc05f /mysql-test/t | |
| parent | fa7ba453f92412f82e7d982e8e64494e9df257d8 (diff) | |
| download | mariadb-git-573eb1dec4a96d304b1abf4f2cf50236f58f6409.tar.gz | |
Better optimization for InnoDB and BDB tables for ORDER BYmysql-3.23.46
Build-tools/Do-compile:
Merge with 4.0
Docs/manual.texi:
Changelog
mysql-test/r/innodb.result:
New tests cases for ORDER BY
mysql-test/r/myisam.result:
New tests cases for ORDER BY
mysql-test/t/innodb.test:
New tests cases for ORDER BY
mysql-test/t/myisam.test:
New tests cases for ORDER BY
Diffstat (limited to 'mysql-test/t')
| -rw-r--r-- | mysql-test/t/innodb.test | 16 | ||||
| -rw-r--r-- | mysql-test/t/myisam.test | 16 |
2 files changed, 32 insertions, 0 deletions
diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test index 1f646828324..f0e9f8cf72f 100644 --- a/mysql-test/t/innodb.test +++ b/mysql-test/t/innodb.test @@ -513,3 +513,19 @@ set insert_id=6; replace into t1 (value,name,uid) values ('other value','two',102); select * from t1; drop table t1; + +# +# Test of how ORDER BY works when doing it on the whole table +# + +create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) type=innodb; +insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); +explain select * from t1 order by a; +explain select * from t1 order by b; +explain select * from t1 order by c; +explain select a from t1 order by a; +explain select b from t1 order by b; +explain select a,b from t1 order by b; +explain select a,b from t1; +explain select a,b,c from t1; +drop table t1; diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test index 5b483b969bc..eb1d9a01020 100644 --- a/mysql-test/t/myisam.test +++ b/mysql-test/t/myisam.test @@ -48,3 +48,19 @@ show index from t1; optimize table t1; show index from t1; drop table t1; + +# +# Test of how ORDER BY works when doing it on the whole table +# + +create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) type=myisam; +insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); +explain select * from t1 order by a; +explain select * from t1 order by b; +explain select * from t1 order by c; +explain select a from t1 order by a; +explain select b from t1 order by b; +explain select a,b from t1 order by b; +explain select a,b from t1; +explain select a,b,c from t1; +drop table t1; |