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Merge mronstrom@bk-internal.mysql.com:/home/bk/mysql-5.0

Browse source 
into  c-4a09e253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/mysql-5.0
This commit is contained in:
unknown 2005-08-20 21:21:49 -04:00
commit a34ca4bf81
4 changed files with 58 additions and 4 deletions
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2
heap/hp_delete.c
View file

@ -80,7 +80,7 @@ int hp_rb_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo,
custom_arg.search_flag= SEARCH_SAME;
old_allocated= keyinfo->rb_tree.allocated;
res= tree_delete(&keyinfo->rb_tree, info->recbuf, &custom_arg);
info->s->index_length+= (keyinfo->rb_tree.allocated-old_allocated);
info->s->index_length-= (old_allocated - keyinfo->rb_tree.allocated);
return res;
}

40
mysql-test/r/distinct.result
View file

@ -464,6 +464,46 @@ SELECT DISTINCT html,SUM(rout)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
html prod
1 0.0000
drop table t1;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
SELECT DISTINCT a, 1 FROM t1;
a 1
1 1
2 1
3 1
4 1
5 1
SELECT DISTINCT 1, a FROM t1;
1 a
1 1
1 2
1 3
1 4
1 5
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES (1,1),(2,2),(2,3),(2,4),(3,5);
SELECT DISTINCT a, b, 2 FROM t2;
a b 2
1 1 2
2 2 2
2 3 2
2 4 2
3 5 2
SELECT DISTINCT 2, a, b FROM t2;
2 a b
2 1 1
2 2 2
2 2 3
2 2 4
2 3 5
SELECT DISTINCT a, 2, b FROM t2;
a 2 b
1 2 1
2 2 2
2 2 3
2 2 4
3 2 5
DROP TABLE t1,t2;
create table t1 (id int, dsc varchar(50));
insert into t1 values (1, "line number one"), (2, "line number two"), (3, "line number three");
select distinct id, IFNULL(dsc, '-') from t1;

16
mysql-test/t/distinct.test
View file

@ -334,6 +334,22 @@ SELECT DISTINCT html,SUM(rout)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
drop table t1;
#
# Test cases for #12625: DISTINCT for a list with constants
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
SELECT DISTINCT a, 1 FROM t1;
SELECT DISTINCT 1, a FROM t1;
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES (1,1),(2,2),(2,3),(2,4),(3,5);
SELECT DISTINCT a, b, 2 FROM t2;
SELECT DISTINCT 2, a, b FROM t2;
SELECT DISTINCT a, 2, b FROM t2;
DROP TABLE t1,t2;
# Bug 9784 DISTINCT IFNULL truncates data
#
create table t1 (id int, dsc varchar(50));

4
sql/sql_select.cc
View file

@ -12229,9 +12229,7 @@ create_distinct_group(THD *thd, Item **ref_pointer_array,
li.rewind();
while ((item=li++))
{
if (item->const_item() || item->with_sum_func)
continue;
if (!item->marker)
if (!item->const_item() && !item->with_sum_func && !item->marker)
{
ORDER *ord=(ORDER*) thd->calloc(sizeof(ORDER));
if (!ord)