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MDEV-22996 : Hang on galera_toi_truncate test case

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Actual problem was earlier fixed. This contains only test
case change. We use debug_sync to force concurrent
DML and TRUNCATE.
This commit is contained in:
Jan Lindström
2021-10-07 11:03:55 +03:00
parent d9b933bec6
commit a1b6f776da
2 changed files with 48 additions and 19 deletions
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23
mysql-test/suite/galera/r/galera_toi_truncate.result
View File

@@ -3,16 +3,24 @@ connection node_1;
connection node_1;
CREATE TABLE ten (f1 INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
CREATE TABLE t1 (id int not null primary key auto_increment, f1 INTEGER) ENGINE=InnoDB;
connection node_2;
SET SESSION wsrep_retry_autocommit = 0;
INSERT INTO t1 (f1) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5, ten AS a6, ten AS a7, ten AS a8;
connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
connection node_2a;
set session wsrep_sync_wait=0;
connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1b;
SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";
connection node_2;
INSERT INTO t1 (f1) SELECT 1 FROM ten AS a1;
connection node_1b;
SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";
connection node_1;
TRUNCATE TABLE t1;;
connection node_1b;
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
SET GLOBAL debug_dbug = "";
SET DEBUG_SYNC = "RESET";
connection node_1;
TRUNCATE TABLE t1;
connection node_2;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
@@ -20,5 +28,6 @@ connection node_1;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
disconnect node_1b;
DROP TABLE t1;
DROP TABLE ten;

44
mysql-test/suite/galera/t/galera_toi_truncate.test
View File

@@ -6,6 +6,7 @@
--source include/galera_cluster.inc
--source include/have_debug_sync.inc
--source include/have_debug.inc
--source include/galera_have_debug_sync.inc
#
# INSERT and TRUNCATE on different nodes
@@ -15,32 +16,51 @@
CREATE TABLE ten (f1 INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
CREATE TABLE t1 (id int not null primary key auto_increment, f1 INTEGER) ENGINE=InnoDB;
--connection node_2
set session wsrep_sync_wait=0;
--let $wait_condition = SELECT COUNT(*) = 10 FROM ten;
--source include/wait_condition.inc
# Prevent autocommit retring from masking the deadlock error we expect to get
SET SESSION wsrep_retry_autocommit = 0;
--send INSERT INTO t1 (f1) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5, ten AS a6, ten AS a7, ten AS a8
--connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1
--connection node_1b
--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_2a
--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'Sending data%' AND INFO LIKE 'INSERT INTO t1 (f1)%';
--source include/wait_condition.inc
--connection node_1
TRUNCATE TABLE t1;
# block applier before applying
SET GLOBAL debug_dbug = "d,sync.wsrep_apply_cb";
--connection node_2
--error ER_LOCK_DEADLOCK
--send INSERT INTO t1 (f1) SELECT 1 FROM ten AS a1
--connection node_1b
# wait until applier has reached the sync point
SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";
--connection node_1
--send TRUNCATE TABLE t1;
--connection node_1b
# release the applier
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
SET GLOBAL debug_dbug = "";
SET DEBUG_SYNC = "RESET";
--connection node_1
--reap
--connection node_2
--reap
--let $wait_condition = SELECT COUNT(*) = 0 FROM t1;
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_0 FROM t1;
--connection node_1
--let $wait_condition = SELECT COUNT(*) = 0 FROM t1;
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_0 FROM t1;
--disconnect node_1b
DROP TABLE t1;
DROP TABLE ten;