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46 lines
1.2 KiB
Text
46 lines
1.2 KiB
Text
-- source include/not_embedded.inc
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-- source include/have_innodb.inc
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# basic tests of semi-consistent reads
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connect (a,localhost,root,,);
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connect (b,localhost,root,,);
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connection a;
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set session transaction isolation level read committed;
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create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
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insert into t1 values (1),(2),(3),(4),(5),(6),(7);
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set autocommit=0;
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# this should lock the entire table
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select * from t1 where a=3 lock in share mode;
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connection b;
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set session transaction isolation level read committed;
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set autocommit=0;
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-- error ER_LOCK_WAIT_TIMEOUT
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update t1 set a=10 where a=5;
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connection a;
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commit;
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connection b;
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update t1 set a=10 where a=5;
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connection a;
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-- error ER_LOCK_WAIT_TIMEOUT
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select * from t1 where a=2 for update;
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# this should lock the records (1),(2)
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select * from t1 where a=2 limit 1 for update;
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connection b;
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update t1 set a=11 where a=6;
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-- error ER_LOCK_WAIT_TIMEOUT
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update t1 set a=12 where a=2;
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-- error ER_LOCK_WAIT_TIMEOUT
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update t1 set a=13 where a=1;
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connection a;
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commit;
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connection b;
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update t1 set a=14 where a=1;
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commit;
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connection a;
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select * from t1;
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drop table t1;
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connection default;
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disconnect a;
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disconnect b;
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