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authorMichael Widenius <monty@mariadb.org>2018-03-09 14:05:35 +0200
committerMonty <monty@mariadb.org>2018-03-29 13:59:44 +0300
commita7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch)
tree70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/main/flush_read_lock_kill.result
parentab1941266c59a19703a74b5593cf3f508a5752d7 (diff)
downloadmariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/main/flush_read_lock_kill.result')
-rw-r--r--mysql-test/main/flush_read_lock_kill.result42
1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/main/flush_read_lock_kill.result b/mysql-test/main/flush_read_lock_kill.result
new file mode 100644
index 00000000000..05836b04524
--- /dev/null
+++ b/mysql-test/main/flush_read_lock_kill.result
@@ -0,0 +1,42 @@
+connect con1,localhost,root,,;
+connect con2,localhost,root,,;
+connection con1;
+DROP TABLE IF EXISTS t1;
+SET DEBUG_SYNC= 'RESET';
+CREATE TABLE t1 (kill_id INT) engine = InnoDB;
+INSERT INTO t1 VALUES(connection_id());
+connection default;
+# Start transaction.
+BEGIN;
+INSERT INTO t1 VALUES(connection_id());
+# Ensure that COMMIT will pause once it acquires protection
+# against its global read lock.
+SET DEBUG_SYNC='ha_commit_trans_after_acquire_commit_lock SIGNAL acquired WAIT_FOR go';
+# Sending:
+COMMIT;
+connection con1;
+# Wait till COMMIT acquires protection against global read
+# lock and pauses.
+SET DEBUG_SYNC='now WAIT_FOR acquired';
+# Sending:
+FLUSH TABLES WITH READ LOCK;
+connection con2;
+SELECT ((@id := kill_id) - kill_id) FROM t1 LIMIT 1;
+((@id := kill_id) - kill_id)
+0
+# Wait till FLUSH TABLES WITH READ LOCK blocks due
+# to active COMMIT
+# Kill connection 'con1'.
+KILL CONNECTION @id;
+connection con1;
+# Try to reap FLUSH TABLES WITH READ LOCK,
+# it fail due to killed statement and connection.
+Got one of the listed errors
+connection con2;
+# Resume COMMIT.
+SET DEBUG_SYNC='now SIGNAL go';
+connection default;
+# Reaping COMMIT.
+disconnect con2;
+DROP TABLE t1;
+SET DEBUG_SYNC= 'RESET';