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A fix: bug#6931: Date Type column problem when using UNION-Table

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bug#7833:  Wrong datatype of aggregate column is returned
This commit is contained in:
gluh@gluh.mysql.r18.ru
2005-02-04 15:31:36 +03:00
parent 7213ca46ad
commit 34915f7a91
9 changed files with 200 additions and 16 deletions
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36
mysql-test/r/union.result
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@@ -1137,3 +1137,39 @@ t1 CREATE TABLE `t1` (
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
drop table t2;
create table t1(a1 int, f1 char(10));
create table t2
select f2,a1 from (select a1, CAST('2004-12-31' AS DATE) f2 from t1) a
union
select f2,a1 from (select a1, CAST('2004-12-31' AS DATE) f2 from t1) a
order by f2, a1;
show columns from t2;
Field Type Null Key Default Extra
f2 date YES NULL
a1 int(11) YES NULL
drop table t1, t2;
create table t1 (f1 int);
create table t2 (f1 int, f2 int ,f3 date);
create table t3 (f1 int, f2 char(10));
create table t4
(
select t2.f3 as sdate
from t1
left outer join t2 on (t1.f1 = t2.f1)
inner join t3 on (t2.f2 = t3.f1)
order by t1.f1, t3.f1, t2.f3
)
union
(
select cast('2004-12-31' as date) as sdate
from t1
left outer join t2 on (t1.f1 = t2.f1)
inner join t3 on (t2.f2 = t3.f1)
group by t1.f1
order by t1.f1, t3.f1, t2.f3
)
order by sdate;
show columns from t4;
Field Type Null Key Default Extra
sdate date YES NULL
drop table t1, t2, t3, t4;