mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 05:22:25 +01:00
d9a1a201aa
Problem:-
The condition that checks for node readiness is too strict as it does
not allow SELECTs even if these selects do not access any tables.
For example,if we run
SELECT 1;
OR
SELECT @@max_allowed_packet;
Solution:-
We need not to report this error when all_tables(lex->query_tables)
is NULL:
63 lines
2 KiB
Text
63 lines
2 KiB
Text
#
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# MW-284 Slave I/O retry on ER_COM_UNKNOWN_ERROR
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#
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--source include/galera_cluster.inc
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--source include/have_innodb.inc
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--connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3
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--disable_query_log
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--eval CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_PORT=$NODE_MYPORT_1, MASTER_USER='root', MASTER_CONNECT_RETRY=1;
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--enable_query_log
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--connection node_1
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--let $wsrep_sync_wait_state= `SELECT @@global.wsrep_sync_wait;`
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CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
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SET GLOBAL wsrep_provider_options='gmcast.isolate=1';
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SET SESSION wsrep_on = OFF;
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--let $wait_condition = SELECT VARIABLE_VALUE = 'non-Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status'
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--source include/wait_condition.inc
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SET SESSION wsrep_on = ON;
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#wsrep_sync_wait is set to zero because when slave tries to connect it it ask for queries like SELECT UNIX_TIMESTAMP() on node 1 which will fail, causing
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#a warning in slave error log.
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SET global wsrep_sync_wait=0;
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--connection node_3
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START SLAVE;
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--sleep 1
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--let $slave_param= Slave_IO_Running
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--let $slave_param_value= Connecting
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--source include/wait_for_slave_param.inc
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--connection node_1
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SET GLOBAL wsrep_provider_options='gmcast.isolate=0';
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# We expect the slave to reconnect and resume replication
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--connection node_3
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--source include/wait_for_slave_to_start.inc
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--connection node_1
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INSERT INTO t1 VALUES (1);
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--connection node_3
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--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1'
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--source include/wait_condition.inc
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--let $wait_condition = SELECT COUNT(*) > 0 FROM t1
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--source include/wait_condition.inc
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# Cleanup
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--connection node_1
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DROP TABLE t1;
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--eval SET global wsrep_sync_wait=$wsrep_sync_wait_state
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--connection node_3
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--let $wait_condition = SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1'
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--source include/wait_condition.inc
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STOP SLAVE;
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RESET SLAVE ALL;
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CALL mtr.add_suppression('failed registering on master');
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CALL mtr.add_suppression('You need to use --log-bin to make --binlog-format work');
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