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

right join print fixed

Browse Source
This commit is contained in:
bell@sanja.is.com.ua
2004-07-03 01:08:46 +03:00
parent ce19102645
commit 1b54d08a1c
3 changed files with 25 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
mysql-test/r/join_nested.result
View File

@ -845,6 +845,20 @@ a b a b a b a b
1 3 5 3 2 2 NULL NULL
2 2 5 3 1 2 NULL NULL
2 2 5 3 2 2 NULL NULL
EXPLAIN EXTENDED
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
FROM t1, t3, t4
RIGHT JOIN
t2
ON t3.a=1 AND t2.b=t4.b
WHERE t1.a <= 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 3
1 SIMPLE t4 ALL NULL NULL NULL NULL 2
Warnings:
Note 1003 select test.t1.a AS `a`,test.t1.b AS `b`,test.t2.a AS `a`,test.t2.b AS `b`,test.t3.a AS `a`,test.t3.b AS `b`,test.t4.a AS `a`,test.t4.b AS `b` from test.t1 join test.t3 join test.t2 left join test.t4 on(((test.t3.a = 1) and (test.t2.b = test.t4.b))) where (test.t1.a <= 2)
CREATE INDEX idx_b ON t2(b);
EXPLAIN EXTENDED
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b