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Kirill Smelkov
mariadb
Commits
89f06e9d
Commit
89f06e9d
authored
16 years ago
by
Gleb Shchepa
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46c7c724
a8067140
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mysql-test/r/group_min_max_innodb.result
mysql-test/r/group_min_max_innodb.result
+24
-0
mysql-test/t/group_min_max_innodb.test
mysql-test/t/group_min_max_innodb.test
+24
-0
sql/sql_select.cc
sql/sql_select.cc
+2
-0
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mysql-test/r/group_min_max_innodb.result
View file @
89f06e9d
drop view if exists v1;
drop table if exists t1,t4;
create table t4 (
pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
) engine=innodb;
...
...
@@ -70,3 +72,25 @@ explain select distinct f1, f2 from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL PRIMARY 5 NULL 3 Using index for group-by; Using temporary
drop table t1;
create table t1(pk int primary key) engine=innodb;
create view v1 as select pk from t1 where pk < 20;
insert into t1 values (1), (2), (3), (4);
select distinct pk from v1;
pk
1
2
3
4
insert into t1 values (5), (6), (7);
select distinct pk from v1;
pk
1
2
3
4
5
6
7
drop view v1;
drop table t1;
End of 5.1 tests
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Click to expand it.
mysql-test/t/group_min_max_innodb.test
View file @
89f06e9d
...
...
@@ -6,6 +6,11 @@
--
source
include
/
have_innodb
.
inc
--
disable_warnings
drop
view
if
exists
v1
;
drop
table
if
exists
t1
,
t4
;
--
enable_warnings
#
# Bug #12672: primary key implcitly included in every innodb index
#
...
...
@@ -93,3 +98,22 @@ alter table t1 drop primary key, add primary key (f2, f1);
explain
select
distinct
f1
a
,
f1
b
from
t1
;
explain
select
distinct
f1
,
f2
from
t1
;
drop
table
t1
;
#
# Bug #36632: Select distinct from a simple view on an InnoDB table
# returns incorrect results
#
create
table
t1
(
pk
int
primary
key
)
engine
=
innodb
;
create
view
v1
as
select
pk
from
t1
where
pk
<
20
;
insert
into
t1
values
(
1
),
(
2
),
(
3
),
(
4
);
select
distinct
pk
from
v1
;
insert
into
t1
values
(
5
),
(
6
),
(
7
);
select
distinct
pk
from
v1
;
drop
view
v1
;
drop
table
t1
;
--
echo
End
of
5.1
tests
This diff is collapsed.
Click to expand it.
sql/sql_select.cc
View file @
89f06e9d
...
...
@@ -13179,6 +13179,8 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
tab
->
ref
.
key
=
-
1
;
tab
->
ref
.
key_parts
=
0
;
// Don't use ref key.
tab
->
read_first_record
=
join_init_read_record
;
if
(
tab
->
is_using_loose_index_scan
())
join
->
tmp_table_param
.
precomputed_group_by
=
TRUE
;
/*
TODO: update the number of records in join->best_positions[tablenr]
*/
...
...
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