mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-15 19:37:16 +02:00
Code Issues Projects Releases Packages Wiki Activity

Merge magare.gmz:/home/kgeorge/mysql/work/B27531-5.0-opt

Browse source 
into  magare.gmz:/home/kgeorge/mysql/work/B27531-5.1-opt


mysql-test/r/cast.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/t/cast.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
mysql-test/r/subselect.result:
  merge of 5.0-opt -> 5.1-opt
mysql-test/t/subselect.test:
  merge of 5.0-opt -> 5.1-opt
This commit is contained in:
unknown 2007-05-04 16:37:30 +03:00
commit 27f581a0a6
13 changed files with 160 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

25
mysql-test/r/join_outer.result
View file

@ -1214,3 +1214,28 @@ SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='Bla';
f1 f2 f3
bla blah sheep
DROP TABLE t1,t2;
CREATE TABLE t1 (id int PRIMARY KEY, a varchar(8));
CREATE TABLE t2 (id int NOT NULL, b int NOT NULL, INDEX idx(id));
INSERT INTO t1 VALUES
(1,'aaaaaaa'), (5,'eeeeeee'), (4,'ddddddd'), (2,'bbbbbbb'), (3,'ccccccc');
INSERT INTO t2 VALUES
(3,10), (2,20), (5,30), (3,20), (5,10), (3,40), (3,30), (2,10), (2,40);
EXPLAIN
SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
1 SIMPLE t2 ref idx idx 4 test.t1.id 2 Using where; Not exists
flush status;
SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL;
id a
1 aaaaaaa
4 ddddddd
show status like 'Handler_read%';
Variable_name Value
Handler_read_first 0
Handler_read_key 5
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 6
DROP TABLE t1,t2;