database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

merge of 5.0-opt -> 5.1-opt

Browse Source
This commit is contained in:
gkodinov/kgeorge@macbook.gmz
2007-01-24 15:55:16 +02:00
parent 17a0207ece
commit 13238b0e3d
7 changed files with 90 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
mysql-test/r/func_in.result
View File

@ -351,49 +351,6 @@ some_id
1
2
drop table t1;
CREATE TABLE t1 (a int, b int, PRIMARY KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1),(3,1),(4,1),(5,1),(6,1);
CREATE TABLE t2 (a int, b int, PRIMARY KEY (a));
INSERT INTO t2 VALUES (3,2),(4,2);
CREATE TABLE t3 (a int PRIMARY KEY);
INSERT INTO t3 VALUES (1),(2),(3),(4);
CREATE TABLE t4 (a int PRIMARY KEY);
INSERT INTO t4 VALUES (1),(2);
EXPLAIN SELECT STRAIGHT_JOIN * FROM t3
JOIN t1 ON t3.a=t1.a
JOIN t2 ON t3.a=t2.a
JOIN t4 WHERE t4.a IN (t1.b, t2.b);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 index PRIMARY PRIMARY 4 NULL 4 Using index
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t3.a 1
1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT STRAIGHT_JOIN * FROM t3
JOIN t1 ON t3.a=t1.a
JOIN t2 ON t3.a=t2.a
JOIN t4 WHERE t4.a IN (t1.b, t2.b);
a a b a b a
3 3 1 3 2 1
3 3 1 3 2 2
4 4 1 4 2 1
4 4 1 4 2 2
EXPLAIN SELECT STRAIGHT_JOIN
(SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b))
FROM t3, t1, t2
WHERE t3.a=t1.a AND t3.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 index PRIMARY PRIMARY 4 NULL 4 Using index
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t3.a 1
2 DEPENDENT SUBQUERY t4 index NULL PRIMARY 4 NULL 2 Using where; Using index
SELECT STRAIGHT_JOIN
(SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b))
FROM t3, t1, t2
WHERE t3.a=t1.a AND t3.a=t2.a;
(SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b))
3
3
DROP TABLE t1,t2,t3,t4;
End of 5.0 tests
create table t1(f1 char(1));
insert into t1 values ('a'),('b'),('1');
@ -419,7 +376,7 @@ Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'b'
explain select f1 from t1 where f1 in ('a',1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL t1f1_idx 2 NULL 3 Using where; Using index
1 SIMPLE t1 index t1f1_idx t1f1_idx 2 NULL 3 Using where; Using index
select f1 from t1 where f1 in ('a','b');
f1
a
@ -448,7 +405,7 @@ Warning 1292 Truncated incorrect DOUBLE value: 'a'
Warning 1292 Truncated incorrect DOUBLE value: 'a'
explain select f2 from t2 where f2 in ('a',2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL t2f2 5 NULL 3 Using where; Using index
1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index
select f2 from t2 where f2 in ('a','b');
f2
0
@ -470,6 +427,6 @@ Warning 1292 Truncated incorrect DOUBLE value: 'b'
Warning 1292 Truncated incorrect DOUBLE value: 'b'
explain select f2 from t2 where f2 in (1,'b');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL t2f2 5 NULL 3 Using where; Using index
1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index
drop table t1, t2;
End of 5.1 tests