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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-4.1

Browse source 
into moonbone.local:/work/mysql-4.1-bug-12266
This commit is contained in:
evgen@moonbone.local 2005-08-05 01:03:21 +04:00
commit de158e94a0
3 changed files with 23 additions and 0 deletions
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7
mysql-test/r/group_by.result
View file

@ -757,3 +757,10 @@ SELECT n+1 AS n FROM t1 GROUP BY n;
n
2
DROP TABLE t1;
create table t1 (f1 date);
insert into t1 values('2005-06-06');
insert into t1 values('2005-06-06');
select date(left(f1+0,8)) from t1 group by 1;
date(left(f1+0,8))
2005-06-06
drop table t1;

10
mysql-test/t/group_by.test
View file

@ -590,4 +590,14 @@ INSERT INTO t1 VALUES (1);
SELECT n+1 AS n FROM t1 GROUP BY n;
DROP TABLE t1;
#
# Bug #12266 GROUP BY expression on DATE column produces result with
# reduced length
#
create table t1 (f1 date);
insert into t1 values('2005-06-06');
insert into t1 values('2005-06-06');
select date(left(f1+0,8)) from t1 group by 1;
drop table t1;
# End of 4.1 tests

6
sql/item_timefunc.h
View file

@ -709,6 +709,12 @@ public:
{
return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
}
void fix_length_and_dec()
{
collation.set(&my_charset_bin);
max_length= 10;
maybe_null= 1;
}
};