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Remove one of the major sources of race condiitons in mariadb-test. Normally, mariadb_close() sends COM_QUIT to the server and immediately disconnects. In mariadb-test it means the test can switch to another connection and sends queries to the server before the server even started parsing the COM_QUIT packet and these queries can see the connection as fully active, as it didn't reach dispatch_command yet. This is a major source of instability in tests and many - but not all, still less than a half - tests employ workarounds. The correct one is a pair count_sessions.inc/wait_until_count_sessions.inc. Also very popular was wait_until_disconnected.inc, which was completely useless, because it verifies that the connection is closed, and after disconnect it always is, it didn't verify whether the server processed COM_QUIT. Sadly the placebo was as widely used as the real thing. Let's fix this by making mariadb-test `disconnect` command _to wait_ for the server to confirm. This makes almost all workarounds redundant. In some cases count_sessions.inc/wait_until_count_sessions.inc is still needed, though, as only `disconnect` command is changed: * after external tools, like `exec $MYSQL` * after failed `connect` command * replication, after `STOP SLAVE` * Federated/CONNECT/SPIDER/etc after `DROP TABLE` and also in some XA tests, because an XA transaction is dissociated from the THD very late, after the server has closed the client connection. Collateral cleanups: fix comments, remove some redundant statements: * DROP IF EXISTS if nothing is known to exist * DROP table/view before DROP DATABASE * REVOKE privileges before DROP USER etc
47 lines
1019 B
Plaintext
47 lines
1019 B
Plaintext
-- source include/not_embedded.inc
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--echo #
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--echo # Start of 10.5 tests
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--echo #
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--echo #
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--echo # MDEV-21743 Split up SUPER privilege to smaller privileges
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--echo #
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--echo #
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--echo # Test that master admin statements are not allowed without REPLICATION MASTER ADMIN
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--echo #
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CREATE USER user1@localhost IDENTIFIED BY '';
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GRANT ALL PRIVILEGES ON *.* TO user1@localhost;
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REVOKE REPLICATION MASTER ADMIN ON *.* FROM user1@localhost;
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connect (con1,localhost,user1,,);
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connection con1;
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--error ER_SPECIFIC_ACCESS_DENIED_ERROR
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SHOW SLAVE HOSTS;
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disconnect con1;
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connection default;
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DROP USER user1@localhost;
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--echo #
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--echo # Test that master admin statements are allowed with REPLICATION MASTER ADMIN
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--echo #
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CREATE USER user1@localhost IDENTIFIED BY '';
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GRANT REPLICATION MASTER ADMIN ON *.* TO user1@localhost;
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SHOW GRANTS FOR user1@localhost;
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connect (con1,localhost,user1,,);
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connection con1;
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SHOW SLAVE HOSTS;
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connection default;
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DROP USER user1@localhost;
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--echo #
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--echo # End of 10.5 tests
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--echo #
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