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Fixed bug in OPTIMIZE TABLE that reset index cardinality if it

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was up to date.
This commit is contained in:
monty@hundin.mysql.fi
2001-11-18 14:08:17 +02:00
parent 7c77952106
commit fb1f8c4f0a
5 changed files with 53 additions and 17 deletions
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10
mysql-test/r/myisam.result
View File

@ -10,3 +10,13 @@ Table Op Msg_type Msg_text
test.t1 repair status OK
Table Op Msg_type Msg_text
test.t1 check status OK
Table Op Msg_type Msg_text
test.t1 optimize status OK
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
t1 0 PRIMARY 1 a A 5 NULL NULL
t1 1 b 1 b A 1 NULL NULL
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
t1 0 PRIMARY 1 a A 5 NULL NULL
t1 1 b 1 b A 1 NULL NULL

12
mysql-test/t/myisam.test
View File

@ -36,3 +36,15 @@ check table t1;
repair table t1;
check table t1;
drop table t1;
#
# Test bug: Two optimize in a row reset index cardinality
#
create table t1 (a int not null auto_increment, b int not null, primary key (a), index(b));
insert into t1 (b) values (1),(2),(2),(2),(2);
optimize table t1;
show index from t1;
optimize table t1;
show index from t1;
drop table t1;