database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-20122: Deprecate MASTER_USE_GTID=Current_Pos to favor new MASTER_DEMOTE_TO_SLAVE option

Browse Source 
New Feature:
========
This feature adds a safe replacement to the
MASTER_USE_GTID=Current_Pos option for CHANGE MASTER TO as
MASTER_DEMOTE_TO_SLAVE=<bool>. The use case of Current_Pos is to
transition a master to become a slave; however, can break
replication state if the slave executes local transactions due to
actively updating gtid_current_pos with gtid_binlog_pos and
gtid_slave_pos.

MASTER_DEMOTE_TO_SLAVE changes this use case by forcing users to set
Using_Gtid=Slave_Pos and merging gtid_binlog_pos into gtid_slave_pos
once at CHANGE MASTER TO time. Note that if gtid_slave_pos is more
recent than gtid_binlog_pos (as in the case of chain replication),
the replication state should be preserved.

Additionally, deprecate the `Current_Pos` option of MASTER_USE_GTID
to suggest the safe alternative option MASTER_DEMOTE_TO_SLAVE=TRUE.

Reviewed By:
============
Andrei Elkin <andrei.elkin@mariadb.com>
This commit is contained in:
Brandon Nesterenko
2022-06-07 20:06:42 -06:00
parent 5ab5ff08b0
commit 90c3b2835d
39 changed files with 1441 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
mysql-test/suite/binlog_encryption/rpl_gtid_basic.result
View File

@ -69,6 +69,8 @@ INSERT INTO t2 VALUES (5, "i1a");
connection server_4;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
SELECT * FROM t1 ORDER BY a;
a b
@ -89,6 +91,8 @@ connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_4;
UPDATE t2 SET b="j1a" WHERE a=5;
@ -117,6 +121,8 @@ include/save_master_gtid.inc
connection server_3;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 ORDER BY a;

5
mysql-test/suite/engines/funcs/r/rpl_change_master.result
View File

@ -26,4 +26,9 @@ connection master;
CHANGE MASTER TO MASTER_USER='root', MASTER_SSL=0, MASTER_SSL_CA='', MASTER_SSL_CERT='',
MASTER_SSL_KEY='', MASTER_SSL_CRL='', MASTER_SSL_CRLPATH='';
CHANGE MASTER TO MASTER_USER='root', MASTER_PASSWORD='', MASTER_SSL=0;
"Usage of CURRENT_POS in CHANGE MASTER MASTER_USE_GTID is dreprecated.
CHANGE MASTER TO MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
CHANGE MASTER TO MASTER_USE_GTID=SLAVE_POS;
include/rpl_end.inc

6
mysql-test/suite/multi_source/gtid.result
View File

@ -48,7 +48,11 @@ INSERT INTO t2 VALUES (2, "switch1");
INSERT INTO t3 VALUES (202, "switch1 b");
connection slave2;
CHANGE MASTER 'slave1' TO master_port=MYPORT_1, master_host='127.0.0.1', master_user='root', master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
CHANGE MASTER 'slave2' TO master_port=MYPORT_2, master_host='127.0.0.1', master_user='root', master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET default_master_connection = 'slave1';
START SLAVE;
include/wait_for_slave_to_start.inc
@ -76,6 +80,8 @@ connection slave2;
include/sync_with_master_gtid.inc
connection slave1;
CHANGE MASTER TO master_port=MYPORT_4, master_host='127.0.0.1', master_user='root', master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
SELECT * FROM t1 ORDER BY a;
a b

50
mysql-test/suite/perfschema/r/digest_view.result
View File

@ -191,17 +191,17 @@ SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME DIGEST DIGEST_TEXT COUNT_STAR
test 27a9ab161a63050c84a63c6f77ebeb33 EXPLAIN SELECT * FROM `test` . `v1` 1
test ab0ab27c04f3a294feb86bede4331f86 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test 2e722346a5c2ef820946bcd04ccac208 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test 07baf2264db30b6b25302603436ebe82 EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 1
test 3a7dbc963635ab0de6e160e0a4212bce EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 1
test 6b845c2e3a7421997e3b610d14b5c842 SELECT * FROM `test` . `v1` 1
test cb2ee099edbf6e0e5ee6ae14f3b1498a SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test e2dc5a300d2ba54ebb987a2ca6b90d93 SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test c68e0f99323f7bb7732c7b5cf32c0ec2 SELECT `a` , `b` FROM `test` . `v1` 1
test 43c5de955c9a72d2bb6f49db5c0ad3e7 SELECT `b` , `a` FROM `test` . `v1` 1
test 1678258ba15f7ccc63fd7b833763914a TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
test 333a53e537d74bf74dd28c78ad5b23dd EXPLAIN SELECT * FROM `test` . `v1` 1
test 1fb578da66e6583bae8e64061486f1b1 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test 923bca939a55826e231e1335016ba418 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test 6fa6d75432fd499d1c7d6f964c8310a2 EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 1
test 3421da1ec8ecb8cac97e12a0609f73cb EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 1
test c2f68fd41bfbf3acd52eb5e7306b0c00 SELECT * FROM `test` . `v1` 1
test dd68812cbe4c1ed5a38921222981f8c5 SELECT * FROM `test` . `v1` WHERE `a` = ? 1
test 7563bcc32c6d0d872c8d9f0bf7717e6a SELECT * FROM `test` . `v1` WHERE `b` > ? 1
test 0817c53833dc6adbca581e8fe4c598c7 SELECT `a` , `b` FROM `test` . `v1` 1
test a5f13903c70812ae08fa8c084e9cd503 SELECT `b` , `a` FROM `test` . `v1` 1
test 66b14a14f2a42e1335dd28dfad8ea084 TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
DROP TABLE test.v1;
CREATE VIEW test.v1 AS SELECT * FROM test.t1;
EXPLAIN SELECT * from test.v1;
@ -248,19 +248,19 @@ SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME DIGEST DIGEST_TEXT COUNT_STAR
test 342cd5e41944d5f857f92b1e374857de CREATE VIEW `test` . `v1` AS SELECT * FROM `test` . `t1` 1
test 2653f30030efcb6125121daa8eadf418 DROP TABLE `test` . `v1` 1
test 27a9ab161a63050c84a63c6f77ebeb33 EXPLAIN SELECT * FROM `test` . `v1` 2
test ab0ab27c04f3a294feb86bede4331f86 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test 2e722346a5c2ef820946bcd04ccac208 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test 07baf2264db30b6b25302603436ebe82 EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 2
test 3a7dbc963635ab0de6e160e0a4212bce EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 2
test 6b845c2e3a7421997e3b610d14b5c842 SELECT * FROM `test` . `v1` 2
test cb2ee099edbf6e0e5ee6ae14f3b1498a SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test e2dc5a300d2ba54ebb987a2ca6b90d93 SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test a13cfeda6d474d29546719d76dcfa831 SELECT SCHEMA_NAME , `DIGEST` , `DIGEST_TEXT` , `COUNT_STAR` FROM `performance_schema` . `events_statements_summary_by_digest` ORDER BY `DIGEST_TEXT` 1
test c68e0f99323f7bb7732c7b5cf32c0ec2 SELECT `a` , `b` FROM `test` . `v1` 2
test 43c5de955c9a72d2bb6f49db5c0ad3e7 SELECT `b` , `a` FROM `test` . `v1` 2
test 1678258ba15f7ccc63fd7b833763914a TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
test 98531b331031b84ddfbb2de8b601a704 CREATE VIEW `test` . `v1` AS SELECT * FROM `test` . `t1` 1
test 5352d7d117e97fecd312e354e9e290ce DROP TABLE `test` . `v1` 1
test 333a53e537d74bf74dd28c78ad5b23dd EXPLAIN SELECT * FROM `test` . `v1` 2
test 1fb578da66e6583bae8e64061486f1b1 EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test 923bca939a55826e231e1335016ba418 EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test 6fa6d75432fd499d1c7d6f964c8310a2 EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 2
test 3421da1ec8ecb8cac97e12a0609f73cb EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 2
test c2f68fd41bfbf3acd52eb5e7306b0c00 SELECT * FROM `test` . `v1` 2
test dd68812cbe4c1ed5a38921222981f8c5 SELECT * FROM `test` . `v1` WHERE `a` = ? 2
test 7563bcc32c6d0d872c8d9f0bf7717e6a SELECT * FROM `test` . `v1` WHERE `b` > ? 2
test 21c19dd7ef5b894f3e32d0585cb3007f SELECT SCHEMA_NAME , `DIGEST` , `DIGEST_TEXT` , `COUNT_STAR` FROM `performance_schema` . `events_statements_summary_by_digest` ORDER BY `DIGEST_TEXT` 1
test 0817c53833dc6adbca581e8fe4c598c7 SELECT `a` , `b` FROM `test` . `v1` 2
test a5f13903c70812ae08fa8c084e9cd503 SELECT `b` , `a` FROM `test` . `v1` 2
test 66b14a14f2a42e1335dd28dfad8ea084 TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
DROP VIEW test.v1;
DROP TABLE test.t1;

4
mysql-test/suite/perfschema/r/start_server_low_digest_sql_length.result
View File

@ -8,5 +8,5 @@ SELECT 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1
####################################
SELECT event_name, digest, digest_text, sql_text FROM events_statements_history_long;
event_name digest digest_text sql_text
statement/sql/select 1fd0cdb6b5aa22bd0809a39b2dc2ac70 SELECT ? + ? + SELECT ...
statement/sql/truncate 0a9c405cebde6df4be315dae86ff398a TRUNCATE TABLE truncat...
statement/sql/select 96a6bb95edaf100857f09c968aca354b SELECT ? + ? + SELECT ...
statement/sql/truncate c1d647bb870f2c63c22a16707bb8aee3 TRUNCATE TABLE truncat...

89
mysql-test/suite/rpl/include/rpl_change_master_demote.inc Normal file
View File

@ -0,0 +1,89 @@
#
# This file tests that a master can be demoted to a slave using
# CHANGE MASTER TO MASTER_DEMOTE_TO_SLAVE=1 and replication will work correctly
# afterwards.
#
# param $ignore_domain_ids : List of GTID domain ids to use for
# CHANGE MASTER TO IGNORE_DOMAIN_IDS
#
--let $include_filename= rpl_change_master_demote.inc
--source include/begin_include_file.inc
--echo ##############################################
--echo # Connection semantics change:
--echo # * True primary is now connection 'slave'
--echo # * True replica is now connection 'master'
--echo ##############################################
--connection master
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
--let $extra_cm_args=
if (`SELECT strcmp("$ignore_domain_ids","") != 0`)
{
--let $extra_cm_args=, ignore_domain_ids=($ignore_domain_ids)
}
--echo # First ensure gtid_slave_pos after master_demote_to_slave matches
--echo # gtid_current_pos calculation
--let $current_pos= `SELECT @@gtid_current_pos`
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 $extra_cm_args
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
--let $slave_pos= `SELECT @@gtid_slave_pos`
--echo # Validating gtid_slave_pos == gtid_binlog_pos..
if ($slave_pos != $current_pos)
{
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
die gtid_slave_pos calculation after master_demote_to_slave=1 differs from gtid_current_pos;
}
--echo # ..success
--source include/start_slave.inc
--connection slave
--source include/stop_slave.inc
--echo # Ensuring replication works correctly after role swap
--connection slave
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
--source include/save_master_gtid.inc
--connection master
--source include/sync_with_master_gtid.inc
--echo # Validating that replication works..
--let $n_replicated_rows= query_get_value(SELECT COUNT(*) FROM repl_t, COUNT(*), 1)
if ($n_replicated_rows != 1)
{
die "Replication is broken";
}
--echo # ..success
--echo # Cleaning up replication check data
--connection slave
DROP TABLE repl_t;
--source include/save_master_gtid.inc
--connection master
--source include/sync_with_master_gtid.inc
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
--echo ##############################################
--echo # Connection semantics change:
--echo # * True primary is back to connection 'master'
--echo # * True replica is back to connection 'slave'
--echo ##############################################
--connection master
--source include/stop_slave.inc
--connection slave
--replace_result $MASTER_MYPORT MASTER_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$MASTER_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1
--source include/start_slave.inc
--let $include_filename= rpl_change_master_demote.inc
--source include/end_include_file.inc

2
mysql-test/suite/rpl/r/rpl_binlog_dump_slave_gtid_state_info.result
View File

@ -5,6 +5,8 @@ SET GLOBAL LOG_WARNINGS=2;
connection slave;
include/stop_slave.inc
CHANGE MASTER TO MASTER_USE_GTID=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection master;
"Test Case 1: Start binlog_dump to slave_server(#), pos(master-bin.000001, ###), using_gtid(1), gtid('')"

5
mysql-test/suite/rpl/r/rpl_change_master.result
View File

@ -26,4 +26,9 @@ connection master;
CHANGE MASTER TO MASTER_USER='root', MASTER_SSL=0, MASTER_SSL_CA='', MASTER_SSL_CERT='',
MASTER_SSL_KEY='', MASTER_SSL_CRL='', MASTER_SSL_CRLPATH='';
CHANGE MASTER TO MASTER_USER='root', MASTER_PASSWORD='', MASTER_SSL=0;
"Usage of CURRENT_POS in CHANGE MASTER MASTER_USE_GTID is dreprecated.
CHANGE MASTER TO MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
CHANGE MASTER TO MASTER_USE_GTID=SLAVE_POS;
include/rpl_end.inc

684
mysql-test/suite/rpl/r/rpl_change_master_demote.result Normal file
View File

@ -0,0 +1,684 @@
include/master-slave.inc
[connection master]
connection slave;
include/stop_slave.inc
change master to master_use_gtid=slave_pos;
include/start_slave.inc
include/sync_with_master_gtid.inc
#
# Test Case 1: When both gtid_binlog_pos and gtid_slave_pos are
# empty, MASTER_DEMOTE_TO_SLAVE=1 results in no change to replication
# state.
#
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS
GTID_CURRENT_POS
GTID_SLAVE_POS
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS
GTID_CURRENT_POS
GTID_SLAVE_POS
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS
GTID_CURRENT_POS 0-2-3
GTID_SLAVE_POS 0-2-3
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 2: If gtid_slave_pos is empty, gtid_binlog_pos will
# completely overwrite it with MASTER_DEMOTE_TO_SLAVE=1.
#
connection slave;
include/stop_slave.inc
RESET MASTER;
set @@global.gtid_slave_pos="";
include/start_slave.inc
connection master;
RESET MASTER;
set @@global.gtid_slave_pos="";
set session gtid_domain_id= 0;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1);
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-2
GTID_CURRENT_POS 0-1-2
GTID_SLAVE_POS
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-2
GTID_CURRENT_POS 0-1-2
GTID_SLAVE_POS 0-1-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-2
GTID_CURRENT_POS 0-2-5
GTID_SLAVE_POS 0-2-5
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 3: Using a single domain id, if neither gtid_slave_pos nor
# gtid_binlog_pos are empty, and gtid_binlog_pos is more recent, then
# gtid_binlog_pos will overwrite gtid_slave_pos when
# MASTER_DEMOTE_TO_SLAVE=1.
#
connection master;
INSERT INTO t1 VALUES (2);
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-6
GTID_CURRENT_POS 0-1-6
GTID_SLAVE_POS 0-2-5
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-6
GTID_CURRENT_POS 0-1-6
GTID_SLAVE_POS 0-1-6
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-6
GTID_CURRENT_POS 0-2-9
GTID_SLAVE_POS 0-2-9
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 4: If gtid_slave_pos and gtid_binlog_pos are equivalent,
# MASTER_DEMOTE_TO_SLAVE=1 will not change gtid_slave_pos.
#
connection master;
# update gtid_binlog_pos and demote it (we have proven this works)
INSERT INTO t1 VALUES (3);
# Update to account for statements to verify replication in include file
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
RESET SLAVE ALL;
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-10
GTID_CURRENT_POS 0-1-10
GTID_SLAVE_POS 0-1-10
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-10
GTID_CURRENT_POS 0-1-10
GTID_SLAVE_POS 0-1-10
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-10
GTID_CURRENT_POS 0-2-13
GTID_SLAVE_POS 0-2-13
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 5: If a new domain id is added into gtid_binlog_pos while
# gtid_slave_pos already has a state, MASTER_DEMOTE_TO_SLAVE=1 will
# append a new GTID to gtid_slave_pos with the latest seq_no from that
# domain.
#
connection master;
# Domain_id
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (4);
set session gtid_domain_id= 1;
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (1);
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-14,1-1-2
GTID_CURRENT_POS 0-1-14,1-1-2
GTID_SLAVE_POS 0-2-13
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-14,1-1-2
GTID_CURRENT_POS 0-1-14,1-1-2
GTID_SLAVE_POS 0-1-14,1-1-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-14,1-1-2
GTID_CURRENT_POS 0-2-17,1-1-2
GTID_SLAVE_POS 0-2-17,1-1-2
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 6: If gtid_slave_pos has multiple GTID positions and
# gtid_binlog_pos contains updates on existing domain ids, new
# domains, and differing server_ids, MASTER_DEMOTE_TO_SLAVE=1 will
# update gtid_slave_pos such that it will have the seq_nos only from
# the GTIDs last applied by this server. In other words, any GTIDs
# with server ids that don't match that of the demoting server will be
# ignored in the update.
#
connection master;
# Update to account for statements to verify replication in include file
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (5);
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
RESET SLAVE ALL;
set session gtid_domain_id= 1;
INSERT INTO t2 VALUES (2);
set session gtid_domain_id= 2;
CREATE TABLE t3 (a int);
INSERT INTO t3 VALUES (1);
# The following events have a different server_id and should not go into
# gtid_slave_pos
set @old_server_id = @@server_id;
set session gtid_domain_id= 1;
set session server_id= 3;
INSERT INTO t2 VALUES (3);
set session gtid_domain_id= 4;
set session server_id= 3;
CREATE TABLE t5 (a int);
INSERT INTO t5 VALUES (1);
set session server_id= @old_server_id;
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-2,4-3-2
GTID_CURRENT_POS 0-1-18,1-1-2,2-1-2
GTID_SLAVE_POS 0-1-18,1-1-2
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 ;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-2,4-3-2
GTID_CURRENT_POS 0-1-18,1-1-2,2-1-2
GTID_SLAVE_POS 0-1-18,1-1-2,2-1-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-2,4-3-2
GTID_CURRENT_POS 0-2-21,1-3-4,2-1-2,4-3-2
GTID_SLAVE_POS 0-2-21,1-3-4,2-1-2,4-3-2
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 7: If MASTER_DEMOTE_TO_SLAVE=1 is combined with
# IGNORE_DOMAIN_IDS such that gtid_binlog_pos has more recent GTIDs
# than gtid_slave_pos in ignored domains, the CHANGE MASTER TO command
# will still update gtid_slave_pos with the most recent transactions
# from gtid_binlog_pos, despite being ignored by CHANGE MASTER TO
# because they were already applied on the server.
#
connection master;
set session gtid_domain_id= 2;
INSERT INTO t3 VALUES (2);
set session gtid_domain_id= 3;
CREATE TABLE t4 (a int);
INSERT INTO t4 VALUES (1);
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-21,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-21,1-3-4,2-1-2,4-3-2
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 , ignore_domain_ids=(2,3);
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-21,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-21,1-3-4,2-1-3,3-1-2,4-3-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-18,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-24,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-24,1-3-4,2-1-3,3-1-2,4-3-2
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
#
# Test Case 8: If gtid_binlog_pos is more recent than gtid_slave_pos,
# and MASTER_DEMOTE_TO_SLAVE=1 is combined with a later call to
# START SLAVE UNTIL master_gtid_pos=<G> such that
# gtid_slave_pos < G < gtid_binlog_pos, then the slave should stop
# immediately after SSU because gtid_slave_pos should be updated to be
# after G.
#
connection master;
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (6);
# Tagging ssu_middle_binlog_pos here to be used for START SLAVE UNTIL
INSERT INTO t1 VALUES (7);
include/save_master_gtid.inc
# Ensure slave is up-to-date with master and then disable slave status
connection slave;
include/sync_with_master_gtid.inc
include/stop_slave.inc
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-24,1-3-4,2-1-3,3-1-2,4-3-2
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=1;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
# GTID ssu_middle_binlog_pos should be considered in the past because
# gtid_slave_pos should be updated using the latest binlog gtids.
# The following call to sync_with_master_gtid.inc uses the latest
# binlog position and should still succeed despite the SSU stop
# position pointing to a previous event (because
# master_demote_to_slave=1 merges gtid_binlog_pos into gtid_slave_pos).
START SLAVE UNTIL master_gtid_pos="ssu_middle_binlog_pos";
Warnings:
Note 1278 It is recommended to use --skip-slave-start when doing step-by-step replication with START SLAVE UNTIL; otherwise, you will get problems if you get an unexpected slave's mariadbd restart
# Slave needs time to start and stop automatically
# Validating neither SQL nor IO threads are running..
# ..success
# Clean slave state of master
RESET SLAVE ALL;
#
# Test Case 9: If gtid_slave_pos is more recent than gtid_binlog_pos
# when demoting the master to become a slave, the replication state
# should be preserved.
#
# rpl_change_master_demote.inc should force
# gtid_slave_pos > gtid_binlog_pos in domain 0 (due to the step which
# validates replication works)
connection master;
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 , ignore_domain_ids=(2,3);
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
Warnings:
Note 1255 Slave already has been stopped
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
# Demote master to slave with the more recent gtid_slave_pos
connection master;
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
# Validating gtid_slave_pos is unchanged..
# ..success
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
# Clean slave state of master
RESET SLAVE ALL;
#
# Test Case 10: MASTER_DEMOTE_TO_SLAVE=0 should not change replication
# state, regardless of gtid_slave_pos in comparison to gtid_binlog_pos.
#
# In domain 0, make gtid_slave_pos > gtid_binlog_pos
connection master;
include/rpl_change_master_demote.inc
##############################################
# Connection semantics change:
# * True primary is now connection 'slave'
# * True replica is now connection 'master'
##############################################
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
# First ensure gtid_slave_pos after master_demote_to_slave matches
# gtid_current_pos calculation
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1 , ignore_domain_ids=(2,3);
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-29,1-3-4,2-1-3,3-1-2,4-3-2
# Validating gtid_slave_pos == gtid_binlog_pos..
# ..success
connection slave;
# Ensuring replication works correctly after role swap
connection slave;
set session gtid_domain_id= 0;
CREATE TABLE repl_t (a int);
INSERT INTO repl_t VALUES (1);
connection master;
# Validating that replication works..
# ..success
# Cleaning up replication check data
connection slave;
DROP TABLE repl_t;
connection master;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-3-4,2-1-3,3-1-2,4-3-2
GTID_CURRENT_POS 0-2-32,1-3-4,2-1-3,3-1-2,4-3-2
GTID_SLAVE_POS 0-2-32,1-3-4,2-1-3,3-1-2,4-3-2
##############################################
# Connection semantics change:
# * True primary is back to connection 'master'
# * True replica is back to connection 'slave'
##############################################
connection master;
connection slave;
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
# Tag gtid_slave_pos now (before binlog updates) for later comparison
connection master;
# In domain 1, make gtid_slave_pos < gtid_binlog_pos
set session gtid_domain_id= 1;
INSERT INTO t2 VALUES (4);
# In domains 2, 3 and 4, gtid_slave_pos == gtid_binlog_pos
# Include a new domain id (5)
set session gtid_domain_id= 5;
CREATE TABLE t6 (a int);
INSERT INTO t6 VALUES (1);
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-1-5,2-1-3,3-1-2,4-3-2,5-1-2
GTID_SLAVE_POS 0-2-32,1-3-4,2-1-3,3-1-2,4-3-2
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=0;
# Validating gtid_slave_pos is unchanged..
# ..success
# Clean slave state of master
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1;
RESET SLAVE ALL;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
VARIABLE_NAME GLOBAL_VALUE
GTID_BINLOG_POS 0-1-26,1-1-5,2-1-3,3-1-2,4-3-2,5-1-2
GTID_SLAVE_POS 0-2-32,1-1-5,2-1-3,3-1-2,4-3-2,5-1-2
#
#
# Stop slave for error test cases
connection slave;
include/stop_slave.inc
#
# Error Case 1: MASTER_DEMOTE_TO_SLAVE=1 combined with
# MASTER_USE_GTID=NO should result in an error.
#
connection master;
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=no, master_demote_to_slave=1;
ERROR HY000: CHANGE MASTER TO option 'MASTER_DEMOTE_TO_SLAVE=TRUE' is missing requirement Using_Gtid=Slave_Pos
#
# Error Case 2: Error when MASTER_DEMOTE_TO_SLAVE=1 is used without
# binary logging enabled.
#
connection master;
# Restarting master without binary log
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=1;
ERROR HY000: You are not using binary logging
# Restarting master to re-enable binary log
connection server_1;
connection default;
#
# Error Case 3: Error when MASTER_DEMOTE_TO_SLAVE is provided a
# non-boolean value.
#
connection master;
CHANGE MASTER TO master_host='127.0.0.1', master_port=SLAVE_PORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=invalid;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'invalid' at line 1
#
# Cleanup
#
connection master;
DROP TABLE t1, t2, t3, t4, t5, t6;
include/save_master_gtid.inc
connection slave;
include/start_slave.inc
include/sync_with_master_gtid.inc
include/rpl_end.inc
#
### End rpl_change_master_demote.test

6
mysql-test/suite/rpl/r/rpl_gtid_basic.result
View File

@ -69,6 +69,8 @@ INSERT INTO t2 VALUES (5, "i1a");
connection server_4;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
SELECT * FROM t1 ORDER BY a;
a b
@ -89,6 +91,8 @@ connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_4;
UPDATE t2 SET b="j1a" WHERE a=5;
@ -117,6 +121,8 @@ include/save_master_gtid.inc
connection server_3;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_4,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 ORDER BY a;

2
mysql-test/suite/rpl/r/rpl_gtid_crash.result
View File

@ -15,6 +15,8 @@ SET sql_log_bin=1;
include/stop_slave.inc
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_1;
INSERT INTO t1 VALUES (2,1);
INSERT INTO t1 VALUES (3,1);

2
mysql-test/suite/rpl/r/rpl_gtid_errorhandling.result
View File

@ -74,6 +74,8 @@ INSERT INTO t1 VALUES (2);
SET sql_log_bin = 1;
INSERT INTO t1 VALUES (3);
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
BEGIN;
SET GLOBAL gtid_slave_pos = "100-100-100";
ERROR 25000: You are not allowed to execute this command in a transaction

2
mysql-test/suite/rpl/r/rpl_gtid_excess_initial_delay.result
View File

@ -4,6 +4,8 @@ CREATE TABLE t1 (i INT);
connection slave;
include/stop_slave.inc
CHANGE MASTER TO MASTER_USE_GTID= current_pos, MASTER_DELAY= 10;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection master;
INSERT INTO t1 VALUES (1);

10
mysql-test/suite/rpl/r/rpl_gtid_master_promote.result
View File

@ -13,15 +13,23 @@ END|
connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_3;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_4;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_5;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_1;
SET gtid_domain_id= 1;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
@ -340,6 +348,8 @@ a b
connection server_1;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_2,
master_user = "root", master_use_gtid = current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
SELECT * FROM t1 ORDER BY a;
a

8
mysql-test/suite/rpl/r/rpl_gtid_mdev4473.result
View File

@ -13,6 +13,8 @@ reset slave all;
connection server_1;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_2,
master_user='root', MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
include/wait_for_slave_to_start.inc
connection server_2;
@ -23,6 +25,8 @@ flush logs;
connection server_3;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_2,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
select * from t1 order by n;
n
@ -58,11 +62,15 @@ Note 4190 RESET SLAVE is implicitly changing the value of 'Using_Gtid' from 'Cur
connection server_2;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_1,
master_user = 'root', MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_3;
include/stop_slave.inc
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_1,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_1;
drop table t1;

4
mysql-test/suite/rpl/r/rpl_gtid_mdev4820.result
View File

@ -45,6 +45,8 @@ SET GLOBAL gtid_slave_pos= '0-2-10';
connection server_1;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_2,
master_user= 'root', master_use_gtid=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
connection server_2;
INSERT INTO t1 VALUES (11);
@ -74,6 +76,8 @@ connection server_2;
INSERT INTO t1 VALUES (22);
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_1,
master_user= 'root', master_use_gtid=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
SET sql_log_bin= 0;
CALL mtr.add_suppression("which is not in the master's binlog. Since the master's binlog contains GTIDs with higher sequence numbers, it probably means that the slave has diverged");

2
mysql-test/suite/rpl/r/rpl_gtid_misc.result
View File

@ -10,6 +10,8 @@ SET sql_log_bin= 0;
INSERT INTO t1 VALUES (1);
SET sql_log_bin= 1;
CHANGE MASTER TO master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection master;
CREATE TEMPORARY TABLE t2 LIKE t1;
INSERT INTO t2 VALUE (1);

4
mysql-test/suite/rpl/r/rpl_gtid_nobinlog.result
View File

@ -22,6 +22,8 @@ include/stop_slave.inc
connection server_1;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SLAVE_PORT,
master_user = 'root', master_use_gtid = current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
include/wait_for_slave_to_start.inc
connection server_2;
@ -54,6 +56,8 @@ include/save_master_gtid.inc
connection server_2;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
master_use_gtid = current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;

2
mysql-test/suite/rpl/r/rpl_gtid_reconnect.result
View File

@ -2,6 +2,8 @@ include/rpl_init.inc [topology=1->2]
connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_1;
CREATE TABLE t1 (a INT);

2
mysql-test/suite/rpl/r/rpl_gtid_sort.result
View File

@ -59,6 +59,8 @@ Variable_name Value
gtid_binlog_state
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
SHOW VARIABLES LIKE 'gtid_binlog_pos';
Variable_name Value

10
mysql-test/suite/rpl/r/rpl_gtid_startpos.result
View File

@ -12,6 +12,8 @@ connection server_2;
SET GLOBAL gtid_slave_pos="";
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
SELECT * FROM t1;
a
@ -34,6 +36,8 @@ connection server_2;
SET GLOBAL gtid_slave_pos="";
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE;
include/wait_for_slave_io_error.inc [errno=1236]
include/stop_slave.inc
@ -56,6 +60,8 @@ connection server_2;
SET GLOBAL gtid_slave_pos='0-1-3';
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER by a;
@ -98,6 +104,8 @@ RESET MASTER;
connection server_2;
SET GLOBAL gtid_slave_pos='';
CHANGE MASTER TO master_host='127.0.0.1', master_port=MASTER_PORT, master_user='root', master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_1;
CREATE TABLE t1 (a INT PRIMARY KEY);
@ -155,6 +163,8 @@ START SLAVE;
include/wait_for_slave_sql_error.inc [errno=1050]
STOP SLAVE IO_THREAD;
CHANGE MASTER TO MASTER_USE_GTID=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_1;
INSERT INTO t1 VALUES(3);

2
mysql-test/suite/rpl/r/rpl_gtid_stop_start.result
View File

@ -8,6 +8,8 @@ include/stop_slave.inc
Master_Log_File = 'master-bin.000001'
Using_Gtid = 'Slave_Pos'
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
FLUSH LOGS;
connection server_1;
FLUSH LOGS;

4
mysql-test/suite/rpl/r/rpl_gtid_until.result
View File

@ -30,6 +30,8 @@ include/stop_slave_io.inc
START SLAVE UNTIL master_gtid_pos = "";
ERROR HY000: START SLAVE UNTIL master_gtid_pos requires that slave is using GTID
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_1;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1);
@ -218,6 +220,8 @@ INSERT INTO t1 VALUES (10);
connection server_2;
CHANGE MASTER TO master_host = '127.0.0.1', master_port = SERVER_MYPORT_1,
master_user = "root", master_use_gtid = current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
START SLAVE UNTIL master_gtid_pos = '0-1-2';
include/wait_for_slave_to_start.inc
connection server_1;

2
mysql-test/suite/rpl/r/rpl_mdev6386.result
View File

@ -11,6 +11,8 @@ CALL mtr.add_suppression("Commit failed due to failure of an earlier commit on w
INSERT INTO t1 VALUES (1, 2);
SET sql_log_bin= 1;
CHANGE MASTER TO master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
Contents on slave before:
SELECT * FROM t1 ORDER BY a;
a b

2
mysql-test/suite/rpl/r/rpl_parallel_mdev6589.result
View File

@ -5,6 +5,8 @@ SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
*** MDEV-6589: Incorrect relay log start position when restarting SQL thread after error in parallel replication ***
connection server_1;

4
mysql-test/suite/rpl/r/rpl_parallel_multilevel2.result
View File

@ -18,11 +18,15 @@ SET @old_updates= @@GLOBAL.binlog_direct_non_transactional_updates;
SET GLOBAL binlog_direct_non_transactional_updates=OFF;
SET SESSION binlog_direct_non_transactional_updates=OFF;
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_3;
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
connection server_1;
BEGIN;
CREATE TEMPORARY TABLE t2 (a INT PRIMARY KEY) ENGINE=MEMORY;

2
mysql-test/suite/rpl/r/rpl_parallel_temptable.result
View File

@ -5,6 +5,8 @@ SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=5;
CHANGE MASTER TO master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
connection server_1;
CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(100) CHARACTER SET utf8);

2
mysql-test/suite/rpl/r/rpl_perfschema_connect_config.result
View File

@ -87,6 +87,8 @@ include/assert.inc [Value returned by SSS and PS table for Using_Gtid should be
change master to
master_user = 'root',
master_use_gtid= CURRENT_POS;
Warnings:
Warning #### 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/assert.inc [Value returned by SSS and PS table for Using_Gtid should be same.]
# 3) Test for Auto_position= SLAVE_POS

2
mysql-test/suite/rpl/r/rpl_start_alter_mysqlbinlog_1.result
View File

@ -5,6 +5,8 @@ set global binlog_alter_two_phase=true;
connection slave;
include/stop_slave.inc
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
set global gtid_strict_mode=1;
# Legacy Master Slave
connect master_node,127.0.0.1,root,,$db_name, $M_port;

10
mysql-test/suite/rpl/r/rpl_start_alter_options.result
View File

@ -3,6 +3,8 @@ include/master-slave.inc
connection slave;
stop slave;
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET GLOBAL slave_parallel_threads=4;
set global slave_parallel_mode=optimistic;
set global gtid_strict_mode=1;
@ -94,6 +96,8 @@ include/start_slave.inc
connection slave;
stop slave;
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET GLOBAL slave_parallel_threads=4;
set global slave_parallel_mode=optimistic;
set global gtid_strict_mode=1;
@ -185,6 +189,8 @@ include/start_slave.inc
connection slave;
stop slave;
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET GLOBAL slave_parallel_threads=4;
set global slave_parallel_mode=optimistic;
set global gtid_strict_mode=1;
@ -315,6 +321,8 @@ include/start_slave.inc
connection slave;
stop slave;
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET GLOBAL slave_parallel_threads=4;
set global slave_parallel_mode=optimistic;
set global gtid_strict_mode=1;
@ -406,6 +414,8 @@ include/start_slave.inc
connection slave;
stop slave;
change master to master_use_gtid= current_pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
SET GLOBAL slave_parallel_threads=4;
set global slave_parallel_mode=optimistic;
set global gtid_strict_mode=1;

2
mysql-test/suite/rpl/r/rpl_upgrade_master_info.result
View File

@ -4,6 +4,8 @@ include/master-slave.inc
connection slave;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=CURRENT_POS;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/rpl_stop_server.inc [server_number=2]
include/rpl_start_server.inc [server_number=2]
connection master;

2
mysql-test/suite/rpl/r/rpl_using_gtid_default.result
View File

@ -58,6 +58,8 @@ include/start_slave.inc
# to its default of Slave_Pos after RESET SLAVE.
include/stop_slave.inc
CHANGE MASTER TO MASTER_USE_GTID=Current_Pos;
Warnings:
Warning 1681 'master_use_gtid=current_pos' is deprecated and will be removed in a future release. Please use master_demote_to_slave=1 instead
include/start_slave.inc
include/stop_slave.inc
RESET SLAVE;

6
mysql-test/suite/rpl/t/rpl_change_master.test
View File

@ -108,4 +108,10 @@ CHANGE MASTER TO MASTER_USER='root', MASTER_SSL=0, MASTER_SSL_CA='', MASTER_SSL_
MASTER_SSL_KEY='', MASTER_SSL_CRL='', MASTER_SSL_CRLPATH='';
CHANGE MASTER TO MASTER_USER='root', MASTER_PASSWORD='', MASTER_SSL=0;
# MDEV-20122: Deprecate MASTER_USE_GTID=Current_Pos to favor new MASTER_DEMOTE_TO_SLAVE option
--echo "Usage of CURRENT_POS in CHANGE MASTER MASTER_USE_GTID is dreprecated.
CHANGE MASTER TO MASTER_USE_GTID=CURRENT_POS;
CHANGE MASTER TO MASTER_USE_GTID=SLAVE_POS;
--source include/rpl_end.inc

467
mysql-test/suite/rpl/t/rpl_change_master_demote.test Normal file
View File

@ -0,0 +1,467 @@
#
# Purpose:
#
# This test suite ensures that the MASTER_DEMOTE_TO_SLAVE option of
# CHANGE MASTER TO will merge the binlog GTID position (gtid_binlog_pos) into
# the replication state (gtid_slave_pos).
#
#
# Methodology:
#
# A series of test cases validate that MASTER_DEMOTE_TO_SLAVE correctly
# merges the binlog GTID state into the replication state. Each test case
# sets up the context in which it will demote the master to a slave, and then
# calls into an include file to perform the actual demotion and validation.
# Specifically, the include file will demote the master to be the slave,
# promote the slave to be the master, ensure that gtid_slave_pos matches
# gtid_current_pos, ensure replication works correctly in this new
# configuration, and return the master and slave to their previous roles.
#
# The test cases are as follows:
# 1) When both gtid_binlog_pos and gtid_slave_pos are empty,
# MASTER_DEMOTE_TO_SLAVE=1 results in no change to replication state.
#
# 2) If gtid_slave_pos is empty, gtid_binlog_pos will completely
# overwrite it with MASTER_DEMOTE_TO_SLAVE=1.
#
# 3) Using a single domain id, if neither gtid_slave_pos nor
# gtid_binlog_pos are empty, and gtid_binlog_pos is more recent, then
# gtid_binlog_pos will overwrite gtid_slave_pos when MASTER_DEMOTE_TO_SLAVE=1.
#
# 4) If gtid_slave_pos and gtid_binlog_pos are equivalent,
# MASTER_DEMOTE_TO_SLAVE=1 will not change gtid_slave_pos.
#
# 5) If multiple new domain ids are added into gtid_binlog_pos while
# gtid_slave_pos already has a state, MASTER_DEMOTE_TO_SLAVE=1 will append
# new GTIDs to gtid_slave_pos with the latest seq_no from each domain.
#
# 6) If gtid_slave_pos has multiple GTID positions and gtid_binlog_pos
# contains updates on existing domain ids, new domains, and differing
# server_ids, MASTER_DEMOTE_TO_SLAVE=1 will update gtid_slave_pos such that
# it will have the seq_nos only from the GTIDs last applied by this server.
# In other words, any GTIDs with server ids that don't match that of the
# demoting server will be ignored in the update.
#
# 7) If MASTER_DEMOTE_TO_SLAVE=1 is combined with IGNORE_DOMAIN_IDS such
# that gtid_binlog_pos has more recent GTIDs than gtid_slave_pos in ignored
# domains, the CHANGE MASTER TO command will still update gtid_slave_pos with
# the most recent transactions from gtid_binlog_pos, despite being ignored by
# CHANGE MASTER TO because they were already applied on the server.
#
# 8) If gtid_binlog_pos is more recent than gtid_slave_pos, and
# MASTER_DEMOTE_TO_SLAVE=1 is combined with a later call to
# START SLAVE UNTIL master_gtid_pos=<G> such that
# gtid_slave_pos < G < gtid_binlog_pos, then the slave should stop
# immediately after SSU because gtid_slave_pos should already be after the
# UNTIL GTID.
#
# 9) If gtid_slave_pos is more recent than gtid_binlog_pos when demoting
# the master to become a slave, the replication state should be preserved.
#
# 10) MASTER_DEMOTE_TO_SLAVE=0 should not change replication state,
# regardless of gtid_slave_pos in comparison to gtid_binlog_pos.
#
#
# Error cases:
# Error Case 1) MASTER_DEMOTE_TO_SLAVE=1 combined with
# MASTER_USE_GTID=NO should result in an error.
#
# Error Case 2) Error when MASTER_DEMOTE_TO_SLAVE=1 is used without
# binary logging enabled.
#
# Error Case 3) Error when MASTER_DEMOTE_TO_SLAVE is provided a
# non-boolean value.
#
#
# References:
# MDEV-19801: Change defaults for CHANGE MASTER TO so that GTID-based
# replication is used by default if master supports it
#
--source include/master-slave.inc
--source include/have_log_bin.inc
--source include/have_binlog_format_mixed.inc
--connection slave
--source include/stop_slave.inc
change master to master_use_gtid=slave_pos;
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
--echo #
--echo # Test Case 1: When both gtid_binlog_pos and gtid_slave_pos are
--echo # empty, MASTER_DEMOTE_TO_SLAVE=1 results in no change to replication
--echo # state.
--echo #
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 2: If gtid_slave_pos is empty, gtid_binlog_pos will
--echo # completely overwrite it with MASTER_DEMOTE_TO_SLAVE=1.
--echo #
--connection slave
--source include/stop_slave.inc
RESET MASTER;
set @@global.gtid_slave_pos="";
--source include/start_slave.inc
--connection master
RESET MASTER;
set @@global.gtid_slave_pos="";
set session gtid_domain_id= 0;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1);
--source include/save_master_gtid.inc
--connection slave
--source include/sync_with_master_gtid.inc
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 3: Using a single domain id, if neither gtid_slave_pos nor
--echo # gtid_binlog_pos are empty, and gtid_binlog_pos is more recent, then
--echo # gtid_binlog_pos will overwrite gtid_slave_pos when
--echo # MASTER_DEMOTE_TO_SLAVE=1.
--echo #
--connection master
INSERT INTO t1 VALUES (2);
--source include/save_master_gtid.inc
--connection slave
--source include/sync_with_master_gtid.inc
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 4: If gtid_slave_pos and gtid_binlog_pos are equivalent,
--echo # MASTER_DEMOTE_TO_SLAVE=1 will not change gtid_slave_pos.
--echo #
--connection master
--echo # update gtid_binlog_pos and demote it (we have proven this works)
INSERT INTO t1 VALUES (3);
--echo # Update to account for statements to verify replication in include file
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1
RESET SLAVE ALL;
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 5: If a new domain id is added into gtid_binlog_pos while
--echo # gtid_slave_pos already has a state, MASTER_DEMOTE_TO_SLAVE=1 will
--echo # append a new GTID to gtid_slave_pos with the latest seq_no from that
--echo # domain.
--echo #
--connection master
--echo # Domain_id
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (4);
set session gtid_domain_id= 1;
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (1);
--source include/save_master_gtid.inc
--connection slave
--source include/sync_with_master_gtid.inc
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 6: If gtid_slave_pos has multiple GTID positions and
--echo # gtid_binlog_pos contains updates on existing domain ids, new
--echo # domains, and differing server_ids, MASTER_DEMOTE_TO_SLAVE=1 will
--echo # update gtid_slave_pos such that it will have the seq_nos only from
--echo # the GTIDs last applied by this server. In other words, any GTIDs
--echo # with server ids that don't match that of the demoting server will be
--echo # ignored in the update.
--echo #
--connection master
--echo # Update to account for statements to verify replication in include file
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (5);
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1
RESET SLAVE ALL;
set session gtid_domain_id= 1;
INSERT INTO t2 VALUES (2);
set session gtid_domain_id= 2;
CREATE TABLE t3 (a int);
INSERT INTO t3 VALUES (1);
--echo # The following events have a different server_id and should not go into
--echo # gtid_slave_pos
set @old_server_id = @@server_id;
set session gtid_domain_id= 1;
set session server_id= 3;
INSERT INTO t2 VALUES (3);
set session gtid_domain_id= 4;
set session server_id= 3;
CREATE TABLE t5 (a int);
INSERT INTO t5 VALUES (1);
set session server_id= @old_server_id;
--source include/save_master_gtid.inc
--connection slave
--source include/sync_with_master_gtid.inc
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 7: If MASTER_DEMOTE_TO_SLAVE=1 is combined with
--echo # IGNORE_DOMAIN_IDS such that gtid_binlog_pos has more recent GTIDs
--echo # than gtid_slave_pos in ignored domains, the CHANGE MASTER TO command
--echo # will still update gtid_slave_pos with the most recent transactions
--echo # from gtid_binlog_pos, despite being ignored by CHANGE MASTER TO
--echo # because they were already applied on the server.
--echo #
--connection master
set session gtid_domain_id= 2;
INSERT INTO t3 VALUES (2);
set session gtid_domain_id= 3;
CREATE TABLE t4 (a int);
INSERT INTO t4 VALUES (1);
--source include/save_master_gtid.inc
--connection slave
--source include/sync_with_master_gtid.inc
--let $ignore_domain_ids=2,3
--source include/rpl_change_master_demote.inc
--echo #
--echo # Test Case 8: If gtid_binlog_pos is more recent than gtid_slave_pos,
--echo # and MASTER_DEMOTE_TO_SLAVE=1 is combined with a later call to
--echo # START SLAVE UNTIL master_gtid_pos=<G> such that
--echo # gtid_slave_pos < G < gtid_binlog_pos, then the slave should stop
--echo # immediately after SSU because gtid_slave_pos should be updated to be
--echo # after G.
--echo #
--connection master
set session gtid_domain_id= 0;
INSERT INTO t1 VALUES (6);
--let $ssu_middle_binlog_pos= `SELECT @@GLOBAL.gtid_binlog_pos`
--echo # Tagging ssu_middle_binlog_pos here to be used for START SLAVE UNTIL
INSERT INTO t1 VALUES (7);
--source include/save_master_gtid.inc
--echo # Ensure slave is up-to-date with master and then disable slave status
--connection slave
--source include/sync_with_master_gtid.inc
--source include/stop_slave.inc
--connection master
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=1
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
--echo # GTID ssu_middle_binlog_pos should be considered in the past because
--echo # gtid_slave_pos should be updated using the latest binlog gtids.
--echo # The following call to sync_with_master_gtid.inc uses the latest
--echo # binlog position and should still succeed despite the SSU stop
--echo # position pointing to a previous event (because
--echo # master_demote_to_slave=1 merges gtid_binlog_pos into gtid_slave_pos).
--replace_result $ssu_middle_binlog_pos ssu_middle_binlog_pos
eval START SLAVE UNTIL master_gtid_pos="$ssu_middle_binlog_pos";
--echo # Slave needs time to start and stop automatically
# Note sync_with_master_gtid.inc, wait_for_slave_to_start.inc, and
# wait_for_slave_to_stop.inc won't work due to replication state and race
# conditions
--sleep 1
--echo # Validating neither SQL nor IO threads are running..
--let $io_state= query_get_value("SHOW SLAVE STATUS", Slave_IO_State, 1)
if (`SELECT strcmp("$io_state","") != 0`)
{
die "IO thread should not be running after START SLAVE UNTIL master_gtid_pos using a pre-existing GTID";
}
--let $sql_state= query_get_value("SHOW SLAVE STATUS", Slave_SQL_Running_State, 1)
if (`SELECT strcmp("$sql_state","") != 0`)
{
die "SQL thread should not be running after START SLAVE UNTIL master_gtid_pos using a pre-existing GTID";
}
--echo # ..success
--echo # Clean slave state of master
RESET SLAVE ALL;
--echo #
--echo # Test Case 9: If gtid_slave_pos is more recent than gtid_binlog_pos
--echo # when demoting the master to become a slave, the replication state
--echo # should be preserved.
--echo #
--echo # rpl_change_master_demote.inc should force
--echo # gtid_slave_pos > gtid_binlog_pos in domain 0 (due to the step which
--echo # validates replication works)
--connection master
--source include/rpl_change_master_demote.inc
--let $current_pos= `SELECT @@gtid_current_pos`
--echo # Demote master to slave with the more recent gtid_slave_pos
--connection master
--let $old_slave_pos= `SELECT @@gtid_slave_pos`
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1
--let $new_slave_pos= `SELECT @@gtid_slave_pos`
--echo # Validating gtid_slave_pos is unchanged..
if ($old_slave_pos != $new_slave_pos)
{
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
die "gtid_slave_pos should not change when MASTER_DEMOTE_TO_SLAVE=0";
}
--echo # ..success
--echo # Validating gtid_slave_pos == gtid_binlog_pos..
if ($new_slave_pos != $current_pos)
{
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' OR VARIABLE_NAME LIKE 'gtid_current_pos' ORDER BY VARIABLE_NAME ASC;
die gtid_slave_pos calculation after master_demote_to_slave=1 differs from gtid_current_pos;
}
--echo # ..success
--echo # Clean slave state of master
RESET SLAVE ALL;
--echo #
--echo # Test Case 10: MASTER_DEMOTE_TO_SLAVE=0 should not change replication
--echo # state, regardless of gtid_slave_pos in comparison to gtid_binlog_pos.
--echo #
--echo # In domain 0, make gtid_slave_pos > gtid_binlog_pos
--connection master
--source include/rpl_change_master_demote.inc
--echo # Tag gtid_slave_pos now (before binlog updates) for later comparison
--let $old_slave_pos= `SELECT @@gtid_slave_pos`
--connection master
--echo # In domain 1, make gtid_slave_pos < gtid_binlog_pos
set session gtid_domain_id= 1;
INSERT INTO t2 VALUES (4);
--echo # In domains 2, 3 and 4, gtid_slave_pos == gtid_binlog_pos
--echo # Include a new domain id (5)
set session gtid_domain_id= 5;
CREATE TABLE t6 (a int);
INSERT INTO t6 VALUES (1);
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=0
--echo # Validating gtid_slave_pos is unchanged..
--let $new_slave_pos= `SELECT @@gtid_slave_pos`
if ($old_slave_pos != $new_slave_pos)
{
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
die gtid_slave_pos should not change when MASTER_DEMOTE_TO_SLAVE=0;
}
--echo # ..success
--echo # Clean slave state of master
--replace_result $SLAVE_MYPORT SLAVE_PORT
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=slave_pos, master_demote_to_slave=1
RESET SLAVE ALL;
SELECT VARIABLE_NAME, GLOBAL_VALUE FROM INFORMATION_SCHEMA.SYSTEM_VARIABLES WHERE VARIABLE_NAME LIKE 'gtid_binlog_pos' OR VARIABLE_NAME LIKE 'gtid_slave_pos' ORDER BY VARIABLE_NAME ASC;
--echo #
--echo #
--echo # Stop slave for error test cases
--connection slave
--source include/stop_slave.inc
--echo #
--echo # Error Case 1: MASTER_DEMOTE_TO_SLAVE=1 combined with
--echo # MASTER_USE_GTID=NO should result in an error.
--echo #
--connection master
--replace_result $SLAVE_MYPORT SLAVE_PORT
--error 4191
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=no, master_demote_to_slave=1
--echo #
--echo # Error Case 2: Error when MASTER_DEMOTE_TO_SLAVE=1 is used without
--echo # binary logging enabled.
--echo #
--connection master
--echo # Restarting master without binary log
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF
--shutdown_server
--source include/wait_until_disconnected.inc
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart: --skip-slave-start=1 --skip-log-bin
EOF
--enable_reconnect
--source include/wait_until_connected_again.inc
--replace_result $SLAVE_MYPORT SLAVE_PORT
--error 1381
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=1
--echo # Restarting master to re-enable binary log
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF
--shutdown_server
--source include/wait_until_disconnected.inc
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart: --skip-slave-start=1
EOF
--enable_reconnect
--source include/wait_until_connected_again.inc
--connection server_1
--enable_reconnect
--source include/wait_until_connected_again.inc
--connection default
--enable_reconnect
--source include/wait_until_connected_again.inc
--echo #
--echo # Error Case 3: Error when MASTER_DEMOTE_TO_SLAVE is provided a
--echo # non-boolean value.
--echo #
--connection master
--replace_result $SLAVE_MYPORT SLAVE_PORT
--error 1064
--eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SLAVE_MYPORT, master_user='root', master_use_gtid=Slave_Pos, master_demote_to_slave=invalid
--echo #
--echo # Cleanup
--echo #
--connection master
DROP TABLE t1, t2, t3, t4, t5, t6;
--source include/save_master_gtid.inc
--connection slave
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
--source include/rpl_end.inc
--echo #
--echo ### End rpl_change_master_demote.test

1
sql/lex.h
View File

@ -385,6 +385,7 @@ SYMBOL symbols[] = {
{ "MASTER_SSL_VERIFY_SERVER_CERT", SYM(MASTER_SSL_VERIFY_SERVER_CERT_SYM)},
{ "MASTER_USER", SYM(MASTER_USER_SYM)},
{ "MASTER_USE_GTID", SYM(MASTER_USE_GTID_SYM)},
{ "MASTER_DEMOTE_TO_SLAVE", SYM(MASTER_DEMOTE_TO_SLAVE_SYM)},
{ "MASTER_HEARTBEAT_PERIOD", SYM(MASTER_HEARTBEAT_PERIOD_SYM)},
{ "MATCH", SYM(MATCH)},
{ "MAX_CONNECTIONS_PER_HOUR", SYM(MAX_CONNECTIONS_PER_HOUR)},

8
sql/rpl_mi.h
View File

@ -368,6 +368,14 @@ class Master_info : public Slave_reporting_capability
Cache the value so future RESET SLAVE commands don't revert to Slave_Pos.
*/
bool master_supports_gtid;
/*
When TRUE, transition this server from being an active master to a slave.
This updates the replication state to account for any transactions which
were committed into the binary log. In particular, it merges
gtid_binlog_pos into gtid_slave_pos.
*/
bool is_demotion;
};
struct start_alter_thd_args

2
sql/sql_lex.h
View File

@ -498,6 +498,7 @@ struct LEX_MASTER_INFO
uint port, connect_retry;
float heartbeat_period;
int sql_delay;
bool is_demotion_opt;
/*
Enum is used for making it possible to detect if the user
changed variable or if it should be left at old value
@ -540,6 +541,7 @@ struct LEX_MASTER_INFO
gtid_pos_str= null_clex_str;
use_gtid_opt= LEX_GTID_UNCHANGED;
sql_delay= -1;
is_demotion_opt= 0;
}
};

40
sql/sql_repl.cc
View File

@ -3822,7 +3822,13 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
if (lex_mi->use_gtid_opt == LEX_MASTER_INFO::LEX_GTID_SLAVE_POS)
mi->using_gtid= Master_info::USE_GTID_SLAVE_POS;
else if (lex_mi->use_gtid_opt == LEX_MASTER_INFO::LEX_GTID_CURRENT_POS)
{
mi->using_gtid= Master_info::USE_GTID_CURRENT_POS;
push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN,
ER_WARN_DEPRECATED_SYNTAX_NO_REPLACEMENT,
ER_THD(thd, ER_WARN_DEPRECATED_SYNTAX),
"master_use_gtid=current_pos", "master_demote_to_slave=1");
}
else if (lex_mi->use_gtid_opt == LEX_MASTER_INFO::LEX_GTID_NO ||
lex_mi->log_file_name || lex_mi->pos ||
lex_mi->relay_log_name || lex_mi->relay_log_pos)
@ -3913,6 +3919,40 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
strmake_buf(mi->master_log_name, mi->rli.group_master_log_name);
}
/*
MASTER_DEMOTE_TO_SLAVE is set. Merge gtid_binlog_pos into gtid_slave_pos.
*/
if (lex_mi->is_demotion_opt)
{
String new_gtid_state;
if (mi->using_gtid != Master_info::USE_GTID_SLAVE_POS)
{
my_error(ER_CM_OPTION_MISSING_REQUIREMENT, MYF(0),
"MASTER_DEMOTE_TO_SLAVE", "TRUE", "Using_Gtid=Slave_Pos");
ret= TRUE;
goto err;
}
if (!mysql_bin_log.is_open())
{
my_error(ER_NO_BINARY_LOGGING, MYF(0));
ret= TRUE;
goto err;
}
if ((ret= rpl_append_gtid_state(&new_gtid_state, true)))
goto err;
if (rpl_global_gtid_slave_state->load(
thd, new_gtid_state.ptr(), new_gtid_state.length(), true, true))
{
my_error(ER_FAILED_GTID_STATE_INIT, MYF(0));
ret= TRUE;
goto err;
}
}
/*
Relay log's IO_CACHE may not be inited, if rli->inited==0 (server was never
a slave before).

5
sql/sql_yacc.yy
View File

@ -936,6 +936,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
%token <kwd> MASTER_USER_SYM
%token <kwd> MASTER_USE_GTID_SYM
%token <kwd> MASTER_HEARTBEAT_PERIOD_SYM
%token <kwd> MASTER_DEMOTE_TO_SLAVE_SYM
%token <kwd> MAX_CONNECTIONS_PER_HOUR
%token <kwd> MAX_QUERIES_PER_HOUR
%token <kwd> MAX_ROWS
@ -2292,6 +2293,10 @@ master_file_def:
my_yyabort_error((ER_DUP_ARGUMENT, MYF(0), "MASTER_use_gtid"));
Lex->mi.use_gtid_opt= LEX_MASTER_INFO::LEX_GTID_NO;
}
| MASTER_DEMOTE_TO_SLAVE_SYM '=' bool
{
Lex->mi.is_demotion_opt= (bool) $3;
}
;
optional_connection_name: