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bug #504: in "datetime op int" comparison int wasn't converted to datetime

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unknown
2003-07-02 17:12:50 +02:00
parent 49938821c2
commit 7bb4166a9a
3 changed files with 13 additions and 3 deletions
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9
mysql-test/r/type_datetime.result
View File

@ -52,10 +52,17 @@ a
0000-00-00 00:00:00
drop table t1;
create table t1 (id int, dt datetime);
insert into t1 values (1,"2001-08-14 00:00:00"),(2,"2001-08-15 00:00:00"),(3,"2001-08-16 00:00:00");
insert into t1 values (1,"2001-08-14 00:00:00"),(2,"2001-08-15 00:00:00"),(3,"2001-08-16 00:00:00"),(4,"2003-09-15 01:20:30");
select * from t1 where dt='2001-08-14 00:00:00' and dt = if(id=1,'2001-08-14 00:00:00','1999-08-15');
id dt
1 2001-08-14 00:00:00
create index dt on t1 (dt);
select * from t1 where dt > 20021020;
id dt
4 2003-09-15 01:20:30
select * from t1 ignore index (dt) where dt > 20021020;
id dt
4 2003-09-15 01:20:30
drop table t1;
CREATE TABLE `t1` (
`date` datetime NOT NULL default '0000-00-00 00:00:00',

5
mysql-test/t/type_datetime.test
View File

@ -36,8 +36,11 @@ drop table t1;
#
create table t1 (id int, dt datetime);
insert into t1 values (1,"2001-08-14 00:00:00"),(2,"2001-08-15 00:00:00"),(3,"2001-08-16 00:00:00");
insert into t1 values (1,"2001-08-14 00:00:00"),(2,"2001-08-15 00:00:00"),(3,"2001-08-16 00:00:00"),(4,"2003-09-15 01:20:30");
select * from t1 where dt='2001-08-14 00:00:00' and dt = if(id=1,'2001-08-14 00:00:00','1999-08-15');
create index dt on t1 (dt);
select * from t1 where dt > 20021020;
select * from t1 ignore index (dt) where dt > 20021020;
drop table t1;
#

2
sql/item_cmpfunc.cc
View File

@ -46,7 +46,7 @@ longlong Item_func_not::val_int()
static bool convert_constant_item(Field *field, Item **item)
{
if ((*item)->const_item() && (*item)->type() != Item::INT_ITEM)
if ((*item)->const_item())
{
if (!(*item)->save_in_field(field, 1) &&
!((*item)->null_value))