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119 lines
3.2 KiB
PHP
119 lines
3.2 KiB
PHP
# ==== Purpose ====
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#
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# Diff the output of a statement on all configured servers (usually
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# master and slave).
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#
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#
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# ==== Usage =====
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#
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# --let $rpl_diff_statement= SELECT * FROM t1 WHERE a < 100
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# [--let $rpl_diff_servers= <server1>,<server2>,...<serverN>]
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# --source include/rpl_diff.inc
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#
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# Parameters:
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# $rpl_diff_statement
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# Statement to check. For each compared server, this script will
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# start a new client and pass this statement to the client.
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# Note: This string will be evaluated as a single-quote-escaped
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# SQL string and hence must be quoted as such. In particular, any
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# single quotes in this string must be escaped.
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#
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# $rpl_diff_servers
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# By default, this file compares all servers configured by
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# rpl_init.inc. You can set $diff_servers to a comma-separated
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# list of numbers: only the servers identified by these numbers
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# will be compared.
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#
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# $rpl_diff_database
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# By default, the statement will be executed on the database
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# 'test'. If $rpl_diff_database is set, the statement will be
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# executed on the database named $rpl_diff_database instead.
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--let $include_filename= rpl_diff.inc
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--source include/begin_include_file.inc
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if (!$rpl_diff_statement)
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{
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--die ERROR IN TEST: you must set $rpl_diff_statement before you source include/rpl_diff.inc
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}
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# Sync.
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--source include/rpl_sync.inc
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# Get database name.
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--let $_rpl_diff_database= $rpl_diff_database
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if (!$_rpl_diff_database)
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{
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--let $_rpl_diff_database= test
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}
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# Generate list of servers.
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--let $_rpl_diff_servers= $rpl_diff_servers
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if (!$_rpl_diff_servers)
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{
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--let $_rpl_server_i= $rpl_server_count
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--let $_rpl_diff_servers=
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while ($_rpl_server_i)
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{
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--let $_rpl_diff_servers= $_rpl_server_i,$_rpl_diff_servers
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--dec $_rpl_server_i
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}
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}
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if ($rpl_debug)
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{
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--echo \$rpl_diff_servers= '$_rpl_diff_servers'
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}
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if (!$rpl_debug)
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{
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--disable_query_log
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}
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# Generate file containing $rpl_diff_statement. We don't pass the
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# statement on the command line, because it would be subject to shell
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# substitutions.
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--let $write_to_file= GENERATE
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--let $write_var= $rpl_diff_statement
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--source include/write_var_to_file.inc
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--let $_rpl_diff_statement_file= $write_to_file
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# Compare all servers.
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--let $_rpl_diff_first= 1
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while ($_rpl_diff_servers)
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{
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# Set $_rpl_diff_server_i to the first number in the list
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--let $_rpl_diff_server_i= `SELECT SUBSTRING_INDEX('$_rpl_diff_servers', ',', 1)`
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# Remove $_rpl_diff_server_i from the list
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--let $_rpl_diff_servers= `SELECT SUBSTRING('$_rpl_diff_servers', LENGTH('$_rpl_diff_server_i') + 2)`
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# Execute statement
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--let $_rpl_diff_file= $MYSQLTEST_VARDIR/tmp/_rpl_diff_server-$_rpl_diff_server_i.tmp
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--exec $MYSQL --defaults-group-suffix=.$_rpl_diff_server_i $_rpl_diff_database < $_rpl_diff_statement_file > $_rpl_diff_file
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# Compare
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if (!$_rpl_diff_first)
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{
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if ($rpl_debug)
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{
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--echo diffing $_rpl_diff_file and $_rpl_diff_prev_file
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}
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--diff_files $_rpl_diff_file $_rpl_diff_prev_file
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--remove_file $_rpl_diff_prev_file
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}
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--let $_rpl_diff_prev_file= $_rpl_diff_file
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--let $_rpl_diff_first= 0
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}
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--remove_file $_rpl_diff_prev_file
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--let $include_filename= rpl_diff.inc
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--source include/end_include_file.inc
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