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|
# ==== Purpose ====
#
# Show selected columns of output from SHOW SLAVE STATUS FOR CHANNEL channel.
#
# Note: test cases should never call SHOW SLAVE STATUS FOR CHANNEL channel,
# 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[, ...]]
# [--let $rpl_channel_name=channel_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
#
# $slave_field_result_replace
# If set, one or more regex patterns for replacing variable
# text in the error message. Syntax as --replace-regex
#
# $slave_sql_mode
# If set, change the slave sql mode during this macro, reverting
# to the previous on exit. Default sql_mode is NO_BACKSLASH_ESCAPES
# to allow replace '\' by '/' making paths OS independent. Example:
#
# --let $slave_sql_mode= NO_BACKSLASH_ESCAPES
#
# $rpl_channel_name
# If set, FOR CHANNEL clause is added to SHOW SLAVE STATUS command.
#
--let $_show_slave_status_items= $status_items
if (!$status_items)
{
--die Bug in test case: The mysqltest variable $status_items is not set.
}
--let $_show_slave_status_channel= $rpl_channel_name
if (!$rpl_channel_name)
{
--let $_show_slave_status_channel= ''
}
--let $_slave_sql_mode= NO_BACKSLASH_ESCAPES
if ($slave_sql_mode)
{
--let $_slave_sql_mode= $slave_sql_mode
}
--let $_previous_slave_sql_mode = `SELECT @@sql_mode`
--disable_query_log
eval SET sql_mode= '$_slave_sql_mode';
--enable_query_log
--let $show_slave_status_cmd=SHOW SLAVE STATUS
if ($rpl_channel_name)
{
--let $show_slave_status_cmd= $show_slave_status_cmd FOR CHANNEL $rpl_channel_name
}
while ($_show_slave_status_items)
{
--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_cmd, $_show_slave_status_name, 1)
--let $_show_slave_status_value = escape("\,$_show_slave_status_value)
--let $_slave_field_result_replace= /[\\\\]/\// $slave_field_result_replace
--replace_regex $_slave_field_result_replace
--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'
}
--disable_query_log
eval SET sql_mode= '$_previous_slave_sql_mode';
--enable_query_log
|
