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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Merge sanja.is.com.ua:/home/bell/mysql/bk/work-top3-4.1

into sanja.is.com.ua:/home/bell/mysql/bk/work-simple_in-4.1


sql/item_cmpfunc.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
This commit is contained in:
unknown
2003-08-11 11:57:37 +03:00
31 changed files with 270 additions and 149 deletions

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@ -0,0 +1,7 @@
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
SELECT COUNT(*) FROM t1;
COUNT(*)
4181000
SELECT COUNT(DISTINCT id) FROM t1 GROUP BY grp;
DROP TABLE t1;

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@ -137,7 +137,7 @@ a t
explain select count(*) from t1 as tt1, (select * from t1) as tt2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
2 DERIVED tt1 index NULL a 4 NULL 10000 Using index
2 DERIVED tt1 ALL NULL NULL NULL NULL 10000
drop table t1;
SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
(SELECT * FROM (SELECT 1 as a) as a )

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@ -1322,10 +1322,10 @@ SELECT t2.id, t1.label FROM t2 INNER JOIN
(SELECT t1.id_object as id_object FROM t1 WHERE t1.label LIKE '%test%') AS lbl
ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object);
id label
3382 Fournisseur Test
102 Fournisseur Test
1794 Fournisseur Test
1822 Fournisseur Test
3524 Fournisseur Test
3382 Test
102 Le Pekin (Test)
1794 Test de resto
1822 Test 3
3524 Societe Test
3525 Fournisseur Test
drop table t1,t2;

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@ -328,3 +328,16 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1
2 UNION t1 ref b b 5 const 1 Using where
drop table t1,t2;
create table t1 ( id int not null auto_increment, primary key (id) ,user_name text );
create table t2 ( id int not null auto_increment, primary key (id) ,group_name text );
create table t3 ( id int not null auto_increment, primary key (id) ,user_id int ,index user_idx (user_id) ,foreign key (user_id) references users(id) ,group_id int ,index group_idx (group_id) ,foreign key (group_id) references groups(id) );
insert into t1 (user_name) values ('Tester');
insert into t2 (group_name) values ('Group A');
insert into t2 (group_name) values ('Group B');
insert into t3 (user_id, group_id) values (1,1);
select 1 'is_in_group', a.user_name, c.group_name, b.id from t1 a, t3 b, t2 c where a.id = b.user_id and b.group_id = c.id UNION select 0 'is_in_group', a.user_name, c.group_name, null from t1 a, t2 c;
is_in_group user_name group_name id
1 Tester Group A 1
0 Tester Group A NULL
0 Tester Group B NULL
drop table t1, t2, t3;

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@ -0,0 +1,55 @@
#
# this is a test for error 1032 in count(distinct) + group by, introduced in
# mysql-4.1
#
--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings
CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
--disable_query_log
SET @rnd_max= 2147483647;
let $1 = 1000;
while ($1)
{
SET @rnd= RAND();
SET @id = CAST(@rnd * @rnd_max AS UNSIGNED);
SET @id_rev= @rnd_max - @id;
SET @grp= CAST(128.0 * @rnd AS UNSIGNED);
INSERT INTO t1 (id, grp, id_rev) VALUES (@id, @grp, @id_rev);
dec $1;
}
CREATE TABLE t2 SELECT * FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
DROP TABLE t2;
--enable_query_log
SELECT COUNT(*) FROM t1;
# As t1 contains random numbers, results are different from test to test.
# That's okay, because we test only that select doesn't yield an
# error. Note, that --disable_result_log doesn't suppress error output.
--disable_result_log
SELECT COUNT(DISTINCT id) FROM t1 GROUP BY grp;
--enable_result_log
DROP TABLE t1;

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@ -209,3 +209,12 @@ explain (select * from t1 where a=1) union (select * from t2 where a=1);
explain (select * from t1 where a=1 and b=10) union (select t1.a,t2.a from t1,t2 where t1.a=t2.a);
explain (select * from t1 where a=1) union (select * from t1 where b=1);
drop table t1,t2;
create table t1 ( id int not null auto_increment, primary key (id) ,user_name text );
create table t2 ( id int not null auto_increment, primary key (id) ,group_name text );
create table t3 ( id int not null auto_increment, primary key (id) ,user_id int ,index user_idx (user_id) ,foreign key (user_id) references users(id) ,group_id int ,index group_idx (group_id) ,foreign key (group_id) references groups(id) );
insert into t1 (user_name) values ('Tester');
insert into t2 (group_name) values ('Group A');
insert into t2 (group_name) values ('Group B');
insert into t3 (user_id, group_id) values (1,1);
select 1 'is_in_group', a.user_name, c.group_name, b.id from t1 a, t3 b, t2 c where a.id = b.user_id and b.group_id = c.id UNION select 0 'is_in_group', a.user_name, c.group_name, null from t1 a, t2 c;
drop table t1, t2, t3;