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Fix for BUG#4488: first portion: sign aware '<' and '>' comparisons.

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2004-08-11 23:08:20 +04:00
parent cffa34d9fb
commit b37a736110
5 changed files with 210 additions and 2 deletions
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39
mysql-test/t/range.test
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@@ -383,3 +383,42 @@ select * from t1, t2 where t1.uid=t2.uid AND t1.uid > 0;
select * from t1, t2 where t1.uid=t2.uid AND t1.uid != 0;
drop table t1,t2;
# Fix for bug#4488
#
create table t1 (x bigint unsigned not null);
insert into t1(x) values (0xfffffffffffffff0);
insert into t1(x) values (0xfffffffffffffff1);
select * from t1;
select count(*) from t1 where x>0;
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;
select count(*) from t1 where x > -16;
create table t2 (x bigint not null);
insert into t2(x) values (0xfffffffffffffff0);
insert into t2(x) values (0xfffffffffffffff1);
select * from t2;
select count(*) from t2 where x>0;
select count(*) from t2 where x=0;
select count(*) from t2 where x<0;
select count(*) from t2 where x < -16;
select count(*) from t2 where x = -16;
select count(*) from t2 where x > -16;
drop table t1;
create table t1 (x bigint unsigned not null primary key) engine=innodb;
insert into t1(x) values (0xfffffffffffffff0);
insert into t1(x) values (0xfffffffffffffff1);
select * from t1;
select count(*) from t1 where x>0;
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;
select count(*) from t1 where x > -16;
drop table t1;