1 files changed, 44 insertions, 0 deletions
diff --git a/mysql-test/suite/optimizer_unfixed_bugs/t/bug41029.test b/mysql-test/suite/optimizer_unfixed_bugs/t/bug41029.test
new file mode 100644
index 00000000..b7c0dc53
--- /dev/null
+++ b/mysql-test/suite/optimizer_unfixed_bugs/t/bug41029.test
@@ -0,0 +1,44 @@
+# 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;