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merge

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monty@mysql.com
2005-06-05 17:19:50 +03:00
parent 10f8d83dcb 25a2c4a71e
commit 4b7882dc73
36 changed files with 7447 additions and 6220 deletions
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22
mysql-test/r/delete.result
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@ -1,4 +1,4 @@
drop table if exists t1,t11,t12,t2;
drop table if exists t1,t2,t3,t11,t12;
CREATE TABLE t1 (a tinyint(3), b tinyint(5));
INSERT INTO t1 VALUES (1,1);
INSERT LOW_PRIORITY INTO t1 VALUES (1,2);
@ -172,3 +172,23 @@ a
0
2
DROP TABLE t1;
CREATE TABLE t1 (a int not null,b int not null);
CREATE TABLE t2 (a int not null, b int not null, primary key (a,b));
CREATE TABLE t3 (a int not null, b int not null, primary key (a,b));
insert into t1 values (1,1),(2,1),(1,3);
insert into t2 values (1,1),(2,2),(3,3);
insert into t3 values (1,1),(2,1),(1,3);
select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
a b a b a b
1 1 1 1 1 1
2 1 2 2 2 1
1 3 1 1 1 3
explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
1 SIMPLE t2 index PRIMARY PRIMARY 8 NULL 3 Using where; Using index
1 SIMPLE t3 index PRIMARY PRIMARY 8 NULL 3 Using where; Using index
delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
select * from t3;
a b
drop table t1,t2,t3;

1
mysql-test/r/information_schema.result
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@ -1,3 +1,4 @@
DROP TABLE IF EXISTS t0,t1,t2;
show variables where variable_name like "skip_show_database";
Variable_name Value
skip_show_database OFF