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MDEV-23611 : galera_sr.galera_sr_kill_query MTR failed: 15 instead of…
… 0 on "SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;"

Add wait_condition to stabilize test.
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Jan Lindström committed Sep 9, 2020
1 parent 90bea7c commit 44e7e1f
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Showing 2 changed files with 23 additions and 6 deletions.
@@ -17,17 +17,25 @@ SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;
EXPECT_0
0
INSERT INTO t1 SELECT 1 FROM ten AS t1, ten AS t2, ten AS t3;
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
EXPECT_1000
1000
connection node_1a;
connection node_1;
SET GLOBAL wsrep_sync_wait=15;
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
EXPECT_1000
1000
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;
EXPECT_0
0
connection node_2;
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
EXPECT_1000
1000
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;
EXPECT_0
0
connection node_1;
DROP TABLE t1;
DROP TABLE ten;
@@ -33,18 +33,27 @@ SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;

# Confirm that the kill caused the updates made so far to be removed
--connection node_2
--let $wait_condition = SELECT COUNT(*) = 0 FROM t1
--source include/wait_condition.inc
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

# Confirm that the transaction can be reissued in its entirety on the slave without a conflict

INSERT INTO t1 SELECT 1 FROM ten AS t1, ten AS t2, ten AS t3;
SELECT COUNT(*) AS EXPECT_1000 FROM t1;

--connection node_1a
--connection node_1
SET GLOBAL wsrep_sync_wait=15;
--let $wait_condition = SELECT COUNT(*) = 1000 FROM t1;
--source include/wait_condition.inc
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

--connection node_2
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
SELECT COUNT(*) AS EXPECT_0 FROM mysql.wsrep_streaming_log;

--connection node_1
DROP TABLE t1;
DROP TABLE ten;

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