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48f04bba78
Apparently, there was a separate issue with applier thread variables: wsrep_plugins_post_init() would overwrite thd->variables for every applier thread and forget to restore proper read only context. Then, upon every server transaction termination, trans_reset_one_shot_statistics() would set thread's read only context to the one stored in thd->variables, thus spoiling the read only context value for appliers.
39 lines
981 B
Text
39 lines
981 B
Text
#
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# Ensure that the transaction_read_only option does not apply to Wsrep system
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# threads (schema and appliers) and that the cluster keeps functioning.
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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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--source include/big_test.inc
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# Restart the node 2 in transaction_read_only mode.
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--connection node_2
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--source include/shutdown_mysqld.inc
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--let $start_mysqld_params=--transaction_read_only=TRUE
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--source include/start_mysqld.inc
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--connection node_1
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CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
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# Note: this is not obligatory, but we want to test
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# SR transactions as well.
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SET SESSION wsrep_trx_fragment_size=1;
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START TRANSACTION;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (2);
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COMMIT;
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--connection node_2
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SELECT COUNT(*) = 2 FROM t1;
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# Restart the node 2 in normal mode.
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--connection node_2
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--source include/shutdown_mysqld.inc
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--let $start_mysqld_params=
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--source include/start_mysqld.inc
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# Cleanup
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--connection node_1
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DROP TABLE t1;
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