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~drizzle-trunk/drizzle/development 

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drop table if exists t1;
SET GLOBAL log_bin_trust_function_creators = 1;
create table t1 (col1 integer primary key, col2 integer) engine=innodb;
insert t1 values (1,100);
start transaction;
select col2 from t1 where col1=1 for update;
col2
100
update t1 set col2=0 where col1=1;
select * from t1;
col1	col2
1	100
rollback;
rollback;
drop table t1;
SET GLOBAL log_bin_trust_function_creators = 0;