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|
# WL#6591 Restore backup on existing GTID-aware server - make
# GTID_PURGED settable always
#
# The tests demonstrate GTID_PURGED is indeed settable
# through mysqldump restore despite GTID_EXECUTED is not empty.
# Specifically a backup could be restored at any point in run time
# provided that its gtid description satisfy constraints specified by the WL.
# Namely,
# In the append syntax case of
# SET GTID_PURGED = "+<gtid_set>"
# which is generated by mysqldump the assigned value must be disjoint with
# the current values of @@GLOBAL.GTID_EXECUTED and @@GLOBAL.GTID_OWNED.
#
# The result of the assignment operator and the function work shall be:
# - GTID_PURGED becomes the union of GTID_PURGED and <gtid_set>.
# - GTID_EXECUTED becomes the union of GTID_EXECUTED and <gtid_set>.
#
# NOTE that the test needs the master side opt file to require the master server
# restart to ensure no, even zombie, dump thread crawls into its
# execution environment from a previous test.
# That would prevent a successful PURGE.
--source include/not_group_replication_plugin.inc
--let $rpl_skip_start_slave= 1
--source include/master-slave.inc
# The following steps are performed below.
#
# 1. On master, create backup which will have SET @@GTID_PURGED
# (the gtid signature).
# 2. On the slave server, restore it.
# 3. On the slave server, configure auto-position=on connection to the master
# and successfully start replication.
#
# Step 1 verifies
# the increment syntax of GTID_PURGED assignment. Such way
# composed assignment must be always accepted on a slave; and
# Step 2 is supposed to prove GTID_PURGED settability in spite of non-empty
# GTID_EXECUTED.
# Step 3 is to prove dump restore is compable with auto-position replication.
#
# The slave is clean
--source include/rpl_connection_slave.inc
--source include/gtid_utils.inc
--let $rpl_only_running_threads= 1
--let $rpl_no_start_slave=1
--source include/rpl_reset.inc
# Step 1, dump
--source include/rpl_connection_master.inc
RESET MASTER;
# Dump's data
CREATE DATABASE db;
CREATE TABLE db.t (a INT);
INSERT INTO db.t SET a=1;
FLUSH LOGS;
--let $new_log=query_get_value(SHOW MASTER STATUS, File, 1)
--eval PURGE BINARY LOGS TO '$new_log'
# Purge may be ineffective, make sure that's not the case with the following show:
SHOW WARNINGS;
--exec $MYSQL_DUMP --compact --set-gtid-purged=auto --databases db > $MYSQL_TMP_DIR/wl6591_db_dump.sql
# Step 2, restore.
--source include/rpl_connection_slave.inc
# Make the slave to execute some gtids
SET @@GTID_NEXT='11111111-1111-1111-1111-111111111111:1';
BEGIN;
COMMIT;
SET @@GTID_NEXT=AUTOMATIC;
--exec $MYSQL_SLAVE --force < $MYSQL_TMP_DIR/wl6591_db_dump.sql
--remove_file $MYSQL_TMP_DIR/wl6591_db_dump.sql
# Step 3, replication part.
--source include/rpl_connection_slave.inc
CHANGE REPLICATION SOURCE TO SOURCE_AUTO_POSITION= 1;
--source include/start_slave.inc
--source include/rpl_connection_master.inc
DROP DATABASE db;
--source include/sync_slave_sql_with_master.inc
# Conclusion:
# Executed and Purged on the master and the slave are equal
--source include/rpl_connection_master.inc
# Sync with the slave that earlier executed this following trx:
SET @@GTID_NEXT='11111111-1111-1111-1111-111111111111:1';
BEGIN;
COMMIT;
SET @@GTID_NEXT=AUTOMATIC;
--source include/sync_slave_sql_with_master.inc
--source include/rpl_connection_master.inc
--let $master_gtid_purged=`SELECT @@GLOBAL.gtid_purged`
--let $master_gtid_executed=`SELECT @@GLOBAL.gtid_executed`
--source include/rpl_connection_slave.inc
--let $is_equal= `SELECT GTID_IS_EQUAL('$master_gtid_purged', @@GLOBAL.gtid_purged)`
--let $assert_text= The slave's GTID_PURGED must be equal to the master's one
--let $assert_cond= $is_equal
--source include/assert.inc
--let $is_equal= `SELECT GTID_IS_EQUAL('$master_gtid_executed', @@GLOBAL.gtid_executed)`
--let $assert_text= The slave's GTID_EXECUTED must be equal to the master's one
--let $assert_cond= $is_equal
--source include/assert.inc
--source include/gtid_utils_end.inc
# Cleanup: is already done
--source include/rpl_end.inc
|
