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# test for BUG#41029:
# "MRR: SELECT FOR UPDATE fails to lock gaps (InnoDB table)"
--source include/have_debug.inc
--source include/have_innodb.inc
select @default_binlog_format:=@@global.binlog_format;
set global binlog_format=row;
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
connection con1;
# bug requires this
set session debug_dbug="+d,optimizer_innodb_ds_mrr";
set autocommit=0;
use test;
drop table if exists t1;
create table t1 (dummy int primary key, a int unique, b int) engine=innodb;
insert into t1 values(1,1,1),(3,3,3),(5,5,5);
commit;
set session transaction isolation level repeatable read;
select @@tx_isolation;
start transaction;
select * from t1 where a > 2 for update;
connection con2;
use test;
set autocommit=0;
start transaction;
select 1;
--error ER_LOCK_WAIT_TIMEOUT
insert into t1 values(2,2,2);
rollback;
connection con1;
rollback;
drop table t1;
connection default;
set global binlog_format=@default_binlog_format;
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