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Merge mysql.com:/home/timka/mysql/src/4.1-virgin

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into mysql.com:/home/timka/mysql/src/4.1-bug-11185
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2005-06-23 11:04:40 +03:00
parent 31d0786687 e4296f5868
commit 1abe8e6916
3 changed files with 86 additions and 7 deletions
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mysql-test/t/range.test
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@ -423,14 +423,30 @@ select count(*) from t1 where x=0;
select count(*) from t1 where x<0;
select count(*) from t1 where x < -16;
select count(*) from t1 where x = -16;
# The following query returns wrong value because the range optimizer can't
# handle search on a signed value for an unsigned parameter. This will be fixed in
# 5.0
select count(*) from t1 where x > -16;
select count(*) from t1 where x = 18446744073709551601;
drop table t1;
#
# Bug #11185 incorrect comparison of unsigned int to signed constant
#
create table t1 (a bigint unsigned);
create index t1i on t1(a);
insert into t1 select 18446744073709551615;
insert into t1 select 18446744073709551614;
explain select * from t1 where a <> -1;
select * from t1 where a <> -1;
explain select * from t1 where a > -1 or a < -1;
select * from t1 where a > -1 or a < -1;
explain select * from t1 where a > -1;
select * from t1 where a > -1;
explain select * from t1 where a < -1;
select * from t1 where a < -1;
drop table t1;
#
# Bug #6045: Binary Comparison regression in MySQL 4.1
# Binary searches didn't use a case insensitive index.