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merge with 4.0.9

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To get bug fixes for TCP/IP connections, FORCE INDEX and OPTIMIZE TABLE with NULL keys
This commit is contained in:
monty@mashka.mysql.fi
2003-01-09 03:55:26 +02:00
parent a101784930 2ea43f3c53
commit f8e660d88c
36 changed files with 601 additions and 197 deletions
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25
mysql-test/t/myisam.test
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@@ -2,10 +2,15 @@
# Test bugs in the MyISAM code
#
# Initialise
--disable_warnings
drop table if exists t1;
drop table if exists t1,t2;
--enable_warnings
#
# Test problem with CHECK TABLE;
#
CREATE TABLE t1 (
STRING_DATA char(255) default NULL,
KEY string_data (STRING_DATA)
@@ -327,3 +332,21 @@ CREATE TABLE t1 (a varchar(255), b varchar(255), c varchar(255));
ALTER TABLE t1 ADD INDEX t1 (a, b, c);
DROP TABLE t1;
#
# Test of cardinality of keys with NULL
#
CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
INSERT into t2 values (1,1,1), (2,2,2);
optimize table t1;
show index from t1;
explain select * from t1,t2 where t1.a=t2.a;
explain select * from t1,t2 force index(a) where t1.a=t2.a;
explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
explain select * from t1,t2 where t1.b=t2.b;
explain select * from t1,t2 force index(c) where t1.a=t2.a;
explain select * from t1 where a=0 or a=2;
explain select * from t1 force index (a) where a=0 or a=2;
drop table t1,t2;