126 lines
2.3 KiB
Plaintext
126 lines
2.3 KiB
Plaintext
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# Establish connection con1 (user=root)
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# Establish connection con2 (user=root)
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drop table if exists t1,t2;
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# Switch to connection con1
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create table t1 (id integer, x integer) engine = InnoDB;
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insert into t1 values(0, 0);
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set autocommit=0;
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SELECT * from t1 where id = 0 FOR UPDATE;
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id x
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0 0
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# Switch to connection con2
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set autocommit=0;
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update t1 set x=2 where id = 0;
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# Switch to connection con1
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update t1 set x=1 where id = 0;
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select * from t1;
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id x
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0 1
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commit;
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# Switch to connection con2
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commit;
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# Switch to connection con1
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select * from t1;
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id x
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0 2
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commit;
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drop table t1;
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# Switch to connection con1
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create table t1 (id integer, x integer) engine = InnoDB;
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create table t2 (b integer, a integer) engine = InnoDB;
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insert into t1 values(0, 0), (300, 300);
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insert into t2 values(0, 10), (1, 20), (2, 30);
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commit;
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set autocommit=0;
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select * from t2;
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b a
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0 10
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1 20
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2 30
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update t2 set a=100 where b=(SELECT x from t1 where id = b FOR UPDATE);
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select * from t2;
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b a
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0 100
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1 20
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2 30
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select * from t1;
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id x
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0 0
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300 300
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# Switch to connection con2
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set autocommit=0;
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update t1 set x=2 where id = 0;
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# Switch to connection con1
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update t1 set x=1 where id = 0;
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select * from t1;
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id x
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0 1
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300 300
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commit;
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# Switch to connection con2
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commit;
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# Switch to connection con1
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select * from t1;
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id x
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0 2
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300 300
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commit;
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drop table t1, t2;
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create table t1 (id integer, x integer) engine = InnoDB;
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create table t2 (b integer, a integer) engine = InnoDB;
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insert into t1 values(0, 0), (300, 300);
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insert into t2 values(0, 0), (1, 20), (2, 30);
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commit;
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# Switch to connection con1
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select a,b from t2 UNION SELECT id, x from t1 FOR UPDATE;
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a b
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0 0
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20 1
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30 2
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300 300
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select * from t2;
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b a
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0 0
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1 20
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2 30
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select * from t1;
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id x
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0 0
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300 300
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# Switch to connection con2
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update t2 set a=2 where b = 0;
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select * from t2;
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b a
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0 2
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1 20
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2 30
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update t1 set x=2 where id = 0;
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# Switch to connection con1
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update t1 set x=1 where id = 0;
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select * from t1;
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id x
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0 1
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300 300
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commit;
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# Switch to connection con2
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commit;
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# Switch to connection con1
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select * from t1;
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id x
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0 2
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300 300
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commit;
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# Switch to connection default + disconnect con1 and con2
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drop table t1, t2;
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End of 4.1 tests
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set storage_engine=innodb;
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drop table if exists a;
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drop table if exists A;
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create table A (c int);
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insert into A (c) values (0);
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create table a as select * from A;
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drop table A;
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drop table if exists a;
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set storage_engine=default;
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End of 5.0 tests.
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