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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
72 lines
1.9 KiB
Text
72 lines
1.9 KiB
Text
# Embedded server doesn't support external clients
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--source include/not_embedded.inc
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--source include/no_view_protocol.inc
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# Don't run this test if $MYSQL_FIX_PRIVILEGE_TABLES isn't set
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# to the location of mysql_fix_privilege_tables.sql
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if (!$MYSQL_FIX_PRIVILEGE_TABLES)
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{
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skip Test need MYSQL_FIX_PRIVILEGE_TABLES;
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}
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#
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# This is the test for mysql_fix_privilege_tables
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# It checks that a system tables from mysql 4.1.23
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# can be upgraded to current system table format
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#
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# Note: If this test fails, don't be confused about the errors reported
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# by mysql-test-run This shows warnings generated by
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# mysql_fix_system_tables which should be ignored.
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# Instead, concentrate on the errors in r/system_mysql_db.reject
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set sql_mode="";
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#
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# Bug #20589 Missing some table level privileges after upgrade
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#
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# Add some grants that should survive the "upgrade"
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--disable_warnings
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DROP DATABASE IF EXISTS testdb;
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--enable_warnings
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CREATE DATABASE testdb;
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CREATE TABLE testdb.t1 (
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c1 INT,
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c3 INT NOT NULL AUTO_INCREMENT PRIMARY KEY);
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CREATE VIEW testdb.v1 AS
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SELECT * FROM testdb.t1;
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GRANT CREATE VIEW, SHOW VIEW ON testdb.v1 TO 'show_view_tbl'@'localhost';
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SHOW GRANTS FOR 'show_view_tbl'@'localhost';
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echo;
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# Some extra GRANTS for more complete test
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GRANT SELECT(c1) on testdb.v1 to 'select_only_c1'@localhost;
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SHOW GRANTS FOR 'select_only_c1'@'localhost';
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echo;
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--disable_result_log
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--disable_query_log
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--exec $MYSQL --force mysql < $MYSQL_FIX_PRIVILEGE_TABLES > $MYSQLTEST_VARDIR/tmp/fix_priv_tables.log 2>&1
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--remove_file $MYSQLTEST_VARDIR/tmp/fix_priv_tables.log
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--enable_query_log
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--enable_result_log
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echo # after fix privs;
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SHOW GRANTS FOR 'show_view_tbl'@'localhost';
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echo;
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SHOW GRANTS FOR 'select_only_c1'@'localhost';
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echo;
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DROP USER 'show_view_tbl'@'localhost';
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DROP USER 'select_only_c1'@'localhost';
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DROP VIEW testdb.v1;
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DROP TABLE testdb.t1;
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DROP DATABASE testdb;
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--echo # End of 4.1 tests
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