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.

1 files changed, 111 insertions, 0 deletions

diff --git a/dml_handler.diff b/dml_handler.diff
new file mode 100644
index 00000000000..be454918dfd
--- /dev/null
+++ b/dml_handler.diff
@@ -0,0 +1,111 @@
+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
+