MINI MINI MANI MO

# This test does the basic validations around transaction-write-set-extraction
#
# Test outline
# 0) Start the group and save the default values
# 1) Test that you cannot change the algorithm while GR is running
# 2) Test that you cannot join a group if your algorithm is different.
#

--source include/only_binlog_transaction_dependency_tracking_commit_order.inc
--source ../inc/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--source ../inc/group_replication.inc

--let $rpl_connection_name= server2
--source include/rpl_connection.inc
SET @transaction_write_set_extraction_save= @@GLOBAL.transaction_write_set_extraction;

--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET @transaction_write_set_extraction_save= @@GLOBAL.transaction_write_set_extraction;

--echo #
--echo # 1. Try to change the algorithm while Group Replication is running.
--echo #    It will be disallowed.
--echo #

SET GLOBAL transaction_write_set_extraction='MURMUR32';

--let $write_set_algorithm= `SELECT @@GLOBAL.transaction_write_set_extraction`
--let $assert_text= transaction_write_set_extraction is correct
--let $assert_cond=  "$write_set_algorithm"= "MURMUR32"
--source include/assert.inc

--source ../inc/start_and_bootstrap_group_replication.inc

--error ER_GROUP_REPLICATION_RUNNING
SET SESSION transaction_write_set_extraction=OFF;

--error ER_GROUP_REPLICATION_RUNNING
SET SESSION transaction_write_set_extraction='XXHASH64';

--let $write_set_algorithm= `SELECT @@GLOBAL.transaction_write_set_extraction`
--let $assert_text= transaction_write_set_extraction is correct
--let $assert_cond=  "$write_set_algorithm"= "MURMUR32"
--source include/assert.inc

--echo #
--echo # 2. Try to join a member with a different algorithm
--echo #    It will be disallowed.
--echo #

--let $rpl_connection_name= server2
--source include/rpl_connection.inc

--disable_query_log
--eval SET GLOBAL group_replication_group_name= "$group_replication_group_name"
--enable_query_log

SET GLOBAL transaction_write_set_extraction='XXHASH64';

--error ER_GROUP_REPLICATION_CONFIGURATION
START GROUP_REPLICATION;

--replace_regex /[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]T[0-9][0-9]:[0-9][0-9]:[0-9][0-9]\.[0-9][0-9][0-9][0-9][0-9][0-9][-+Z][0-9:]* *[0-9]* *\[/DATE_TIME [/
--let $grep_file=$MYSQLTEST_VARDIR/tmp/group_replication_write_set_extraction_algorithm.err
--let $grep_pattern=The member is configured with a transaction-write-set-extraction option value
--source include/grep_pattern.inc

--echo #
--echo # 3. Cleanup
--echo #

--let $rpl_connection_name= server1
--source include/rpl_connection.inc

--source include/stop_group_replication.inc
SET GLOBAL transaction_write_set_extraction= @transaction_write_set_extraction_save;

--let $rpl_connection_name= server2
--source include/rpl_connection.inc

SET GLOBAL transaction_write_set_extraction= @transaction_write_set_extraction_save;

--source ../inc/group_replication_end.inc