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# 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