初版

build/lib/mysql/mysql-test/include/show_slave_status.inc

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