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-- source include/not_embedded.inc -- source include/have_innodb.inc --disable_warnings drop table if exists t1; --enable_warnings # REPLACE INTO ... SELECT and INSERT INTO ... SELECT should do # a consistent read of the source table. connect (a,localhost,root,,); connect (b,localhost,root,,); connection a; set session transaction isolation level read committed; create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1; create table t2 like t1; insert into t2 values (1),(2),(3),(4),(5),(6),(7); set autocommit=0; # REPLACE INTO ... SELECT case begin; # this should not result in any locks on t2. replace into t1 select * from t2; connection b; set session transaction isolation level read committed; set autocommit=0; # should not cause a lock wait. delete from t2 where a=5; commit; delete from t2; commit; connection a; commit; # INSERT INTO ... SELECT case begin; # this should not result in any locks on t2. insert into t1 select * from t2; connection b; set session transaction isolation level read committed; set autocommit=0; # should not cause a lock wait. delete from t2 where a=5; commit; delete from t2; commit; connection a; commit; select * from t1; drop table t1; drop table t2; connection default; disconnect a; disconnect b;