76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
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# ==== Purpose ====
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#
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# Show selected columns of output from SHOW SLAVE STATUS.
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#
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# Note: test cases should never call SHOW SLAVE STATUS directly,
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# because that outputs more information to the query log than what is
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# needed for the property that is being tested. That would cause
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# maintenance problems, because (1) it is hard for a human to
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# understand what property is being tested; (2) the output of many of
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# the fields is non-deterministic (e.g., Slave_IO_State) or changes
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# frequently (e.g., binlog positions).
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#
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# Instead, what you want most of the time is to source one of the
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# following scripts:
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#
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# include/check_slave_no_error.inc
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# Assert that Slave_SQL_Errno = Slave_IO_Errno = 0.
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#
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# include/check_slave_is_running.inc
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# Assert that Slave_IO_Running = Slave_SQL_Running = 'Yes'.
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#
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# include/wait_for_slave_sql_error.inc
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# Wait for the SQL thread to get a given error (and assert that
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# it has this error).
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#
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# include/wait_for_slave_io_error.inc
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# Wait for the IO thread to get a given error (and assert that
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# it has this error).
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#
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# include/wait_for_slave_sql_to_stop.inc
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# include/wait_for_slave_io_to_stop.inc
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# include/wait_for_slave_to_stop.inc
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# Wait for the SQL thread, the IO thread, or both to stop (and
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# assert they stop).
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#
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# When none of the above applies, you may use this script instead.
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# However, take care so that the test never contains explicit binlog
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# coordinates. Usually you can read the binlog coordinates into a
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# variable and compare it to some other coordinates.
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#
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#
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# ==== Usage ====
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#
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# --let $status_items= Column_Name[, Column_Name[, ...]]
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# --source include/show_slave_status.inc
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#
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# Parameters:
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# $status_items
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# Set to the name of the column in the output of SHOW SLAVE STATUS
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# that you want to display. Example:
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#
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# --let $status_items= Master_SSL_Allowed
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#
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# You can show multiple columns by setting $status_items to a
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# comma-separated list. Example:
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#
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# --let $status_items= Master_Log_File, Relay_Master_Log_File
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--let $_show_slave_status_items=$status_items
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if (`SELECT "XX$status_items" = "XX"`)
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{
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--die Bug in test case: The mysqltest variable $status_items is not set.
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}
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while (`SELECT "XX$_show_slave_status_items" <> "XX"`)
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{
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--let $_show_slave_status_name= `SELECT SUBSTRING_INDEX('$_show_slave_status_items', ',', 1)`
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--let $_show_slave_status_items= `SELECT LTRIM(SUBSTRING('$_show_slave_status_items', LENGTH('$_show_slave_status_name') + 2))`
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--let $_show_slave_status_value= query_get_value(SHOW SLAVE STATUS, $_show_slave_status_name, 1)
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--let $_show_slave_status_value= `SELECT REPLACE("$_show_slave_status_value", '$MYSQL_TEST_DIR', 'MYSQL_TEST_DIR')`
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--echo $_show_slave_status_name = '$_show_slave_status_value'
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}
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