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mariadb/mysql-test/r/multi_update_debug.result
Sergei Golubchik 6660c072ad MDEV-19491 update query stopped working after mariadb upgrade 10.2.23 -> 10.2.24
as well as

MDEV-19500 Update with join stopped worked if there is a call to a procedure in a trigger
MDEV-19521 Update Table Fails with Trigger and Stored Function
MDEV-19497 Replication stops because table not found
MDEV-19527 UPDATE + JOIN + TRIGGERS = table doesn't exists error

Reimplement the fix for (5d510fdbf00)

MDEV-18507 can't update temporary table when joined with table with triggers on read-only

instead of calling open_tables() twice, put multi-update
prepare code inside open_tables() loop.

Add a test for a MDL backoff-and-retry loop inside open_tables()
across multi-update prepare code.
2019-06-01 09:43:40 +02:00

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create table t1 (a int, b int);
create table t2 (c int, d int);
insert t1 values (1,2),(3,4);
insert t2 values (5,6),(7,8);
create table t0 (x int);
insert t0 values (11), (22);
create trigger tr1 before update on t1 for each row insert t0 values (new.b);
set debug_sync='open_tables_after_open_and_process_table WAIT_FOR cont';
update t1 join t2 on (a=c+4) set b=d;
set debug_sync='mdl_acquire_lock_wait SIGNAL cont';
lock table t1 write, t0 write;
drop table t1, t2, t0;
set debug_sync='reset';