MDEV-20220: Merge 5.7 P_S replication table 'replication_applier_status_by_worker

Step1:
=====
Backport 'replication_applier_status_by_worker' from upstream.

Iterate through rpl_parallel_thread_pool and display slave worker thread
specific information as part of 'replication_applier_status_by_worker'
table.

---------------------------------------------------------------------------
|Column Name:           |        Description:                             |
|-------------------------------------------------------------------------|
|                       |                                                 |
|CHANNEL_NAME           | Name of replication channel through which the   |
|                       | transaction is received.                        |
|                       |                                                 |
|THREAD_ID              | Thread_Id as displayed in 'performance_schema.  |
|                       | threads' table for thread with name             |
|                       | 'thread/sql/rpl_parallel_thread'                |
|                       |                                                 |
|                       | THREAD_ID will be NULL when worker threads are  |
|                       | stopped due to an error/force stop              |
|                       |                                                 |
|SERVICE_STATE          | Thread is running or not                        |
|                       |                                                 |
|LAST_SEEN_TRANSACTION  | Last GTID executed by worker                    |
|                       |                                                 |
|LAST_ERROR_NUMBER      | Last Error that occured on a particular worker  |
|                       |                                                 |
|LAST_ERROR_MESSAGE     | Last error specific message                     |
|                       |                                                 |
|LAST_ERROR_TIMESTAMP   | Time stamp of last error                        |
|                       |                                                 |
---------------------------------------------------------------------------

CHANNEL_NAME will be empty when the worker has not processed any
transaction. Channel_name points to valid source channel_name when it is
processing a transaction/event group.

5 files changed, 46 insertions, 25 deletions

diff --git a/mysql-test/suite/perfschema/r/ddl_replication_applier_status_by_worker.result b/mysql-test/suite/perfschema/r/ddl_replication_applier_status_by_worker.result
index e13b4f978e1..d2e905af3a8 100644
--- a/mysql-test/suite/perfschema/r/ddl_replication_applier_status_by_worker.result
+++ b/mysql-test/suite/perfschema/r/ddl_replication_applier_status_by_worker.result
@@ -2,7 +2,7 @@ ALTER TABLE performance_schema.replication_applier_status_by_worker
 add column foo integer;
 ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
 TRUNCATE TABLE performance_schema.replication_applier_status_by_worker;
-ERROR HY000: Invalid performance_schema usage.
+ERROR HY000: Invalid performance_schema usage
 ALTER TABLE performance_schema.replication_applier_status_by_worker
 ADD INDEX test_index(worker_id);
 ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
diff --git a/mysql-test/suite/perfschema/r/dml_handler.result b/mysql-test/suite/perfschema/r/dml_handler.result
index ce4ae6bf9a3..61bbba3189e 100644
--- a/mysql-test/suite/perfschema/r/dml_handler.result
+++ b/mysql-test/suite/perfschema/r/dml_handler.result
@@ -12,78 +12,81 @@ Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be
 # For each table in the performance schema, attempt HANDLER...OPEN,
 # which should fail with an error 1031, ER_ILLEGAL_HA.
 #
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=80;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=81;
 HANDLER performance_schema.user_variables_by_thread OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`user_variables_by_thread` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=79;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=80;
 HANDLER performance_schema.users OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`users` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=78;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=79;
 HANDLER performance_schema.threads OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`threads` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=77;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=78;
 HANDLER performance_schema.table_lock_waits_summary_by_table OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`table_lock_waits_summary_by_table` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=76;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=77;
 HANDLER performance_schema.table_io_waits_summary_by_table OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`table_io_waits_summary_by_table` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=75;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=76;
 HANDLER performance_schema.table_io_waits_summary_by_index_usage OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`table_io_waits_summary_by_index_usage` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=74;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=75;
 HANDLER performance_schema.table_handles OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`table_handles` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=73;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=74;
 HANDLER performance_schema.status_by_user OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`status_by_user` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=72;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=73;
 HANDLER performance_schema.status_by_thread OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`status_by_thread` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=71;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=72;
 HANDLER performance_schema.status_by_host OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`status_by_host` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=70;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=71;
 HANDLER performance_schema.status_by_account OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`status_by_account` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=69;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=70;
 HANDLER performance_schema.socket_summary_by_instance OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`socket_summary_by_instance` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=68;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=69;
 HANDLER performance_schema.socket_summary_by_event_name OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`socket_summary_by_event_name` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=67;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=68;
 HANDLER performance_schema.socket_instances OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`socket_instances` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=66;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=67;
 HANDLER performance_schema.setup_timers OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`setup_timers` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=65;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=66;
 HANDLER performance_schema.setup_objects OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`setup_objects` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=64;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=65;
 HANDLER performance_schema.setup_instruments OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`setup_instruments` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=63;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=64;
 HANDLER performance_schema.setup_consumers OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`setup_consumers` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=62;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=63;
 HANDLER performance_schema.setup_actors OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`setup_actors` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=61;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=62;
 HANDLER performance_schema.session_status OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`session_status` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=60;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=61;
 HANDLER performance_schema.session_connect_attrs OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`session_connect_attrs` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=59;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=60;
 HANDLER performance_schema.session_account_connect_attrs OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`session_account_connect_attrs` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=58;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=59;
 HANDLER performance_schema.rwlock_instances OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`rwlock_instances` doesn't have this option
-SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=57;
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=58;
 HANDLER performance_schema.replication_connection_configuration OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`replication_connection_configuration` doesn't have this option
+SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=57;
+HANDLER performance_schema.replication_applier_status_by_worker OPEN;
+ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`replication_applier_status_by_worker` doesn't have this option
 SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=56;
 HANDLER performance_schema.replication_applier_status_by_coordinator OPEN;
 ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`replication_applier_status_by_coordinator` doesn't have this option
diff --git a/mysql-test/suite/perfschema/r/information_schema.result b/mysql-test/suite/perfschema/r/information_schema.result
index 3f4a8cf6336..c0aff9bb956 100644
--- a/mysql-test/suite/perfschema/r/information_schema.result
+++ b/mysql-test/suite/perfschema/r/information_schema.result
@@ -59,6 +59,7 @@ performance_schema	prepared_statements_instances	def
 performance_schema	replication_applier_configuration	def
 performance_schema	replication_applier_status	def
 performance_schema	replication_applier_status_by_coordinator	def
+performance_schema	replication_applier_status_by_worker	def
 performance_schema	replication_connection_configuration	def
 performance_schema	rwlock_instances	def
 performance_schema	session_account_connect_attrs	def
@@ -144,6 +145,7 @@ prepared_statements_instances	BASE TABLE	PERFORMANCE_SCHEMA
 replication_applier_configuration	BASE TABLE	PERFORMANCE_SCHEMA
 replication_applier_status	BASE TABLE	PERFORMANCE_SCHEMA
 replication_applier_status_by_coordinator	BASE TABLE	PERFORMANCE_SCHEMA
+replication_applier_status_by_worker	BASE TABLE	PERFORMANCE_SCHEMA
 replication_connection_configuration	BASE TABLE	PERFORMANCE_SCHEMA
 rwlock_instances	BASE TABLE	PERFORMANCE_SCHEMA
 session_account_connect_attrs	BASE TABLE	PERFORMANCE_SCHEMA
@@ -229,6 +231,7 @@ prepared_statements_instances	10	Dynamic
 replication_applier_configuration	10	Fixed
 replication_applier_status	10	Fixed
 replication_applier_status_by_coordinator	10	Dynamic
+replication_applier_status_by_worker	10	Dynamic
 replication_connection_configuration	10	Dynamic
 rwlock_instances	10	Dynamic
 session_account_connect_attrs	10	Dynamic
@@ -314,6 +317,7 @@ prepared_statements_instances	0
 replication_applier_configuration	0
 replication_applier_status	0
 replication_applier_status_by_coordinator	0
+replication_applier_status_by_worker	0
 replication_connection_configuration	0
 rwlock_instances	0
 session_account_connect_attrs	0
@@ -406,6 +410,7 @@ prepared_statements_instances	0	0
 replication_applier_configuration	0	0
 replication_applier_status	0	0
 replication_applier_status_by_coordinator	0	0
+replication_applier_status_by_worker	0	0
 replication_connection_configuration	0	0
 rwlock_instances	0	0
 session_account_connect_attrs	0	0
@@ -491,6 +496,7 @@ prepared_statements_instances	0	0	NULL
 replication_applier_configuration	0	0	NULL
 replication_applier_status	0	0	NULL
 replication_applier_status_by_coordinator	0	0	NULL
+replication_applier_status_by_worker	0	0	NULL
 replication_connection_configuration	0	0	NULL
 rwlock_instances	0	0	NULL
 session_account_connect_attrs	0	0	NULL
@@ -576,6 +582,7 @@ prepared_statements_instances	NULL	NULL	NULL
 replication_applier_configuration	NULL	NULL	NULL
 replication_applier_status	NULL	NULL	NULL
 replication_applier_status_by_coordinator	NULL	NULL	NULL
+replication_applier_status_by_worker	NULL	NULL	NULL
 replication_connection_configuration	NULL	NULL	NULL
 rwlock_instances	NULL	NULL	NULL
 session_account_connect_attrs	NULL	NULL	NULL
@@ -661,6 +668,7 @@ prepared_statements_instances	utf8_general_ci	NULL
 replication_applier_configuration	utf8_general_ci	NULL
 replication_applier_status	utf8_general_ci	NULL
 replication_applier_status_by_coordinator	utf8_general_ci	NULL
+replication_applier_status_by_worker	utf8_general_ci	NULL
 replication_connection_configuration	utf8_general_ci	NULL
 rwlock_instances	utf8_general_ci	NULL
 session_account_connect_attrs	utf8_bin	NULL
@@ -746,6 +754,7 @@ prepared_statements_instances
 replication_applier_configuration	
 replication_applier_status	
 replication_applier_status_by_coordinator	
+replication_applier_status_by_worker	
 replication_connection_configuration	
 rwlock_instances	
 session_account_connect_attrs	
@@ -831,6 +840,7 @@ prepared_statements_instances
 replication_applier_configuration	
 replication_applier_status	
 replication_applier_status_by_coordinator	
+replication_applier_status_by_worker	
 replication_connection_configuration	
 rwlock_instances	
 session_account_connect_attrs	
diff --git a/mysql-test/suite/perfschema/r/schema.result b/mysql-test/suite/perfschema/r/schema.result
index 9c838f40c0d..32498723aa6 100644
--- a/mysql-test/suite/perfschema/r/schema.result
+++ b/mysql-test/suite/perfschema/r/schema.result
@@ -63,6 +63,7 @@ prepared_statements_instances
 replication_applier_configuration
 replication_applier_status
 replication_applier_status_by_coordinator
+replication_applier_status_by_worker
 replication_connection_configuration
 rwlock_instances
 session_account_connect_attrs
diff --git a/mysql-test/suite/perfschema/r/table_schema.result b/mysql-test/suite/perfschema/r/table_schema.result
index 5f03723f107..babee1d624c 100644
--- a/mysql-test/suite/perfschema/r/table_schema.result
+++ b/mysql-test/suite/perfschema/r/table_schema.result
@@ -865,6 +865,13 @@ def	performance_schema	replication_applier_status_by_coordinator	SERVICE_STATE	3
 def	performance_schema	replication_applier_status_by_coordinator	LAST_ERROR_NUMBER	4	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(11)			select,insert,update,references		NEVER	NULL
 def	performance_schema	replication_applier_status_by_coordinator	LAST_ERROR_MESSAGE	5	NULL	NO	varchar	1024	3072	NULL	NULL	NULL	utf8	utf8_general_ci	varchar(1024)			select,insert,update,references		NEVER	NULL
 def	performance_schema	replication_applier_status_by_coordinator	LAST_ERROR_TIMESTAMP	6	current_timestamp()	NO	timestamp	NULL	NULL	NULL	NULL	0	NULL	NULL	timestamp		on update current_timestamp()	select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	CHANNEL_NAME	1	NULL	NO	varchar	256	768	NULL	NULL	NULL	utf8	utf8_general_ci	varchar(256)			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	THREAD_ID	2	NULL	YES	bigint	NULL	NULL	20	0	NULL	NULL	NULL	bigint(20) unsigned			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	SERVICE_STATE	3	NULL	NO	enum	3	9	NULL	NULL	NULL	utf8	utf8_general_ci	enum('ON','OFF')			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	LAST_SEEN_TRANSACTION	4	NULL	NO	char	57	171	NULL	NULL	NULL	utf8	utf8_general_ci	char(57)			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	LAST_ERROR_NUMBER	5	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(11)			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	LAST_ERROR_MESSAGE	6	NULL	NO	varchar	1024	3072	NULL	NULL	NULL	utf8	utf8_general_ci	varchar(1024)			select,insert,update,references		NEVER	NULL
+def	performance_schema	replication_applier_status_by_worker	LAST_ERROR_TIMESTAMP	7	current_timestamp()	NO	timestamp	NULL	NULL	NULL	NULL	0	NULL	NULL	timestamp		on update current_timestamp()	select,insert,update,references		NEVER	NULL
 def	performance_schema	replication_connection_configuration	CHANNEL_NAME	1	NULL	NO	char	64	192	NULL	NULL	NULL	utf8	utf8_general_ci	char(64)			select,insert,update,references		NEVER	NULL
 def	performance_schema	replication_connection_configuration	HOST	2	NULL	NO	char	60	180	NULL	NULL	NULL	utf8	utf8_bin	char(60)			select,insert,update,references		NEVER	NULL
 def	performance_schema	replication_connection_configuration	PORT	3	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(11)			select,insert,update,references		NEVER	NULL