Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 920 insertions, 0 deletions

diff --git a/mysql-test/suite/perfschema/r/mdl_func.result b/mysql-test/suite/perfschema/r/mdl_func.result
new file mode 100644
index 00000000..4887b15e
--- /dev/null
+++ b/mysql-test/suite/perfschema/r/mdl_func.result
@@ -0,0 +1,920 @@
+UPDATE performance_schema.setup_instruments SET enabled = 'NO', timed = 'YES';
+UPDATE performance_schema.setup_instruments SET enabled = 'YES'
+WHERE name in ('wait/io/table/sql/handler',
+'wait/lock/table/sql/handler',
+'wait/lock/metadata/sql/mdl');
+set @orig_sql_mode= @@sql_mode;
+set sql_mode= (select replace(@@sql_mode,'NO_AUTO_CREATE_USER',''));
+grant ALL on *.* to user1@localhost;
+grant ALL on *.* to user2@localhost;
+set sql_mode= @orig_sql_mode;
+insert into performance_schema.setup_objects (object_type, object_schema, object_name, enabled, timed)
+values ('TABLE', 'mtr', '%', 'NO', 'NO');
+# Switch to (con1, localhost, user1, , )
+connect  con1, localhost, user1, , ;
+# Switch to (con2, localhost, user2, , )
+connect  con2, localhost, user2, , ;
+connection default;
+drop function if exists thread_id_name;
+create function thread_id_name(THREAD_ID int)
+returns varchar(16)
+begin
+if (THREAD_ID IS NULL)
+then
+return NULL;
+end if;
+if (THREAD_ID = @user1_tid)
+then
+return "USER1";
+end if;
+if (THREAD_ID = @user2_tid)
+then
+return "USER2";
+end if;
+return "OTHER";
+end;
+//
+select thread_id_name(NULL);
+thread_id_name(NULL)
+NULL
+select thread_id_name(@user1_tid);
+thread_id_name(@user1_tid)
+USER1
+select thread_id_name(@user2_tid);
+thread_id_name(@user2_tid)
+USER2
+prepare dump_metadata_locks from
+"select OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME,
+    LOCK_TYPE, LOCK_DURATION, LOCK_STATUS,
+    thread_id_name(OWNER_THREAD_ID) as OWNER_THREAD_ID
+    from performance_schema.metadata_locks
+    order by OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME,
+    LOCK_TYPE, LOCK_DURATION, LOCK_STATUS, OWNER_THREAD_ID;";
+prepare dump_table_handles from
+"select OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME,
+    INTERNAL_LOCK, EXTERNAL_LOCK,
+    thread_id_name(OWNER_THREAD_ID) as OWNER_THREAD_ID
+    from performance_schema.table_handles
+    order by OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME,
+    INTERNAL_LOCK, EXTERNAL_LOCK, OWNER_THREAD_ID;";
+prepare dump_waits_current from
+"select thread_id_name(THREAD_ID) as THREAD_ID,
+    EVENT_NAME,
+    TIMER_START is not NULL as TIMER_START_SET,
+    TIMER_END is not NULL as TIMER_END_SET,
+    OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME,
+    OPERATION
+    from performance_schema.events_waits_current
+    where event_name = \'wait/lock/metadata/sql/mdl\';";
+prepare dump_waits_history_long from
+"select thread_id_name(THREAD_ID) as THREAD_ID,
+    EVENT_NAME,
+    TIMER_START is not NULL as TIMER_START_SET,
+    TIMER_END is not NULL as TIMER_END_SET,
+    OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME,
+    OPERATION
+    from performance_schema.events_waits_history_long
+    where event_name = \'wait/lock/metadata/sql/mdl\';";
+truncate table performance_schema.events_statements_summary_by_digest;
+flush status;
+flush tables;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value');
+INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+connection con1;
+BEGIN;
+SELECT * from t1 where id=1;
+id	b
+1	initial value
+connection default;
+"---- Marker 1 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con1;
+COMMIT;
+connection default;
+"---- Marker 2 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con1;
+BEGIN;
+UPDATE t1 set b="new value" where id=2;
+connection default;
+"---- Marker 3 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con2;
+BEGIN;
+DROP TABLE t1;;
+connection default;
+"---- Marker 4 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	SCHEMA
+OBJECT_SCHEMA	test
+OBJECT_NAME	NULL
+LOCK_TYPE	INTENTION_EXCLUSIVE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	EXCLUSIVE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	PENDING
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+connection con1;
+COMMIT;
+connection con2;
+connection default;
+"---- Marker 5 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+execute dump_table_handles;
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+connection default;
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+create table t1 (a int);
+connection con1;
+LOCK TABLE t1 READ;
+connection default;
+"---- Marker 6 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ NO INSERT
+EXTERNAL_LOCK	READ EXTERNAL
+OWNER_THREAD_ID	USER1
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con2;
+LOCK TABLE t1 write;;
+connection default;
+"---- Marker 7 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	SCHEMA
+OBJECT_SCHEMA	test
+OBJECT_NAME	NULL
+LOCK_TYPE	INTENTION_EXCLUSIVE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_NO_READ_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	PENDING
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ NO INSERT
+EXTERNAL_LOCK	READ EXTERNAL
+OWNER_THREAD_ID	USER1
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+connection con1;
+UNLOCK TABLES;
+connection con2;
+connection default;
+"---- Marker 8 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	BACKUP
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	NULL
+LOCK_TYPE	BACKUP_DDL
+LOCK_DURATION	STATEMENT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	BACKUP
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	NULL
+LOCK_TYPE	BACKUP_DML
+LOCK_DURATION	STATEMENT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	SCHEMA
+OBJECT_SCHEMA	test
+OBJECT_NAME	NULL
+LOCK_TYPE	INTENTION_EXCLUSIVE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_NO_READ_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE
+EXTERNAL_LOCK	WRITE EXTERNAL
+OWNER_THREAD_ID	USER2
+execute dump_waits_current;
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+connection con1;
+LOCK TABLES t1 read;;
+connection default;
+"---- Marker 9 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	BACKUP
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	NULL
+LOCK_TYPE	BACKUP_DDL
+LOCK_DURATION	STATEMENT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	BACKUP
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	NULL
+LOCK_TYPE	BACKUP_DML
+LOCK_DURATION	STATEMENT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	SCHEMA
+OBJECT_SCHEMA	test
+OBJECT_NAME	NULL
+LOCK_TYPE	INTENTION_EXCLUSIVE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_NO_READ_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	PENDING
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE
+EXTERNAL_LOCK	WRITE EXTERNAL
+OWNER_THREAD_ID	USER2
+execute dump_waits_current;
+THREAD_ID	USER1
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+connection con2;
+UNLOCK TABLES;
+connection con1;
+connection default;
+"---- Marker 10 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ NO INSERT
+EXTERNAL_LOCK	READ EXTERNAL
+OWNER_THREAD_ID	USER1
+execute dump_waits_current;
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+THREAD_ID	USER1
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+connection con1;
+UNLOCK TABLES;
+connection default;
+"---- Marker 11 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	READ NO INSERT
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+THREAD_ID	USER1
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INDEX_NAME	NULL
+OPERATION	metadata lock
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+connection con1;
+BEGIN;
+UPDATE LOW_PRIORITY t1 SET a=8;
+connection default;
+"---- Marker 12 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+LOCK_TYPE	SHARED_WRITE
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE LOW PRIORITY
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con1;
+COMMIT;
+connection default;
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+connection con1;
+SELECT GET_LOCK('test', 0);
+GET_LOCK('test', 0)
+1
+connection default;
+"---- Marker 13 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+LOCK_TYPE	SHARED_NO_WRITE
+LOCK_DURATION	EXPLICIT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE LOW PRIORITY
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+execute dump_waits_history_long;
+connection con2;
+SELECT GET_LOCK('test', 120);;
+connection default;
+"---- Marker 14 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+LOCK_TYPE	SHARED_NO_WRITE
+LOCK_DURATION	EXPLICIT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+LOCK_TYPE	SHARED_NO_WRITE
+LOCK_DURATION	EXPLICIT
+LOCK_STATUS	PENDING
+OWNER_THREAD_ID	USER2
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE LOW PRIORITY
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+connection con1;
+SELECT RELEASE_LOCK('test');
+RELEASE_LOCK('test')
+1
+connection con2;
+GET_LOCK('test', 120)
+1
+connection default;
+"---- Marker 15 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+LOCK_TYPE	SHARED_NO_WRITE
+LOCK_DURATION	EXPLICIT
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	USER2
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE LOW PRIORITY
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+INDEX_NAME	NULL
+OPERATION	metadata lock
+connection con2;
+SELECT RELEASE_LOCK('test');
+RELEASE_LOCK('test')
+1
+connection default;
+"---- Marker 16 ----"
+execute dump_metadata_locks;
+OBJECT_TYPE	FUNCTION
+OBJECT_SCHEMA	test
+OBJECT_NAME	thread_id_name
+LOCK_TYPE	SHARED
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	performance_schema
+OBJECT_NAME	metadata_locks
+LOCK_TYPE	SHARED_READ
+LOCK_DURATION	TRANSACTION
+LOCK_STATUS	GRANTED
+OWNER_THREAD_ID	OTHER
+execute dump_table_handles;
+OBJECT_TYPE	TABLE
+OBJECT_SCHEMA	test
+OBJECT_NAME	t1
+INTERNAL_LOCK	WRITE LOW PRIORITY
+EXTERNAL_LOCK	NULL
+OWNER_THREAD_ID	OTHER
+execute dump_waits_current;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+INDEX_NAME	NULL
+OPERATION	metadata lock
+execute dump_waits_history_long;
+THREAD_ID	USER2
+EVENT_NAME	wait/lock/metadata/sql/mdl
+TIMER_START_SET	1
+TIMER_END_SET	1
+OBJECT_TYPE	USER LEVEL LOCK
+OBJECT_SCHEMA	NULL
+OBJECT_NAME	test
+INDEX_NAME	NULL
+OPERATION	metadata lock
+disconnect con1;
+disconnect con2;
+connection default;
+drop table t1;
+UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
+revoke all privileges, grant option from user1@localhost;
+revoke all privileges, grant option from user2@localhost;
+drop user user1@localhost;
+drop user user2@localhost;
+drop function thread_id_name;
+drop prepare dump_metadata_locks;
+drop prepare dump_table_handles;
+drop prepare dump_waits_current;
+drop prepare dump_waits_history_long;
+delete from performance_schema.setup_objects
+where object_schema='mtr';
+show global status like "performance_schema%";
+Variable_name	Value
+Performance_schema_accounts_lost	0
+Performance_schema_cond_classes_lost	0
+Performance_schema_cond_instances_lost	0
+Performance_schema_digest_lost	0
+Performance_schema_file_classes_lost	0
+Performance_schema_file_handles_lost	0
+Performance_schema_file_instances_lost	0
+Performance_schema_hosts_lost	0
+Performance_schema_index_stat_lost	0
+Performance_schema_locker_lost	0
+Performance_schema_memory_classes_lost	0
+Performance_schema_metadata_lock_lost	0
+Performance_schema_mutex_classes_lost	0
+Performance_schema_mutex_instances_lost	0
+Performance_schema_nested_statement_lost	0
+Performance_schema_prepared_statements_lost	0
+Performance_schema_program_lost	0
+Performance_schema_rwlock_classes_lost	0
+Performance_schema_rwlock_instances_lost	0
+Performance_schema_session_connect_attrs_lost	0
+Performance_schema_socket_classes_lost	0
+Performance_schema_socket_instances_lost	0
+Performance_schema_stage_classes_lost	0
+Performance_schema_statement_classes_lost	0
+Performance_schema_table_handles_lost	0
+Performance_schema_table_instances_lost	0
+Performance_schema_table_lock_stat_lost	0
+Performance_schema_thread_classes_lost	0
+Performance_schema_thread_instances_lost	0
+Performance_schema_users_lost	0