118 lines
3.1 KiB
PHP
118 lines
3.1 KiB
PHP
# ==== Purpose ====
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#
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# This include will add a debug point to the current GLOBAL or SESSION
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# debug variable without changing other debugging flags set.
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#
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# This is useful when generating debug trace for test cases that uses
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# debug point features. By using this include the trace generation will
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# not be stopped.
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#
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# ==== Usage ====
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#
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# --let $debug_point= debug_point
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# [--let $debug_point_silent= 1]
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# [--let $debug_type= GLOBAL | SESSION]
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# --source include/add_debug_point.inc
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#
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# Parameters:
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# $debug_point
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# The debug point to be activated.
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#
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# $debug_point_silent
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# By default, this script prints the name of the debug point. If
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# this parameter is set, it does not print anything.
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#
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# $debug_type
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# If the debug variable to be changed is the GLOBAL or SESSION one.
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# The default (if not specified one) is GLOBAL.
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#
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--let $_previous_include_silent= $include_silent
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--let $include_silent= 1
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--let $include_filename= add_debug_point.inc
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--source include/begin_include_file.inc
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--let $include_silent= $_previous_include_silent
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if (!$debug_type)
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{
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--let $_debug_type= GLOBAL
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}
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if ($debug_type)
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{
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--let $_debug_type= $debug_type
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}
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if ( `SELECT UPPER('$_debug_type') <> 'GLOBAL' AND UPPER('$_debug_type') <> 'SESSION'` )
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{
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--die ERROR IN TEST: invalid value for mysqltest variable 'debug_type': $debug_type
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}
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if (!$debug_point)
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{
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--die ERROR IN TEST: the mysqltest variable 'debug_point' must be set
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}
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--let $_debug_point= $debug_point
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if (!$rpl_debug)
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{
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--disable_query_log
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}
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--eval SET @previous_debug = @@$_debug_type.debug;
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SET @before_debug_point='';
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SET @after_debug_point='';
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# check if debug is empty
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if ( `SELECT @previous_debug = ''` )
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{
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SET @before_debug_point='d,';
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}
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# check if debug is 'd'
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if ( `SELECT @previous_debug = 'd'` )
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{
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SET @before_debug_point='d,';
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}
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# check if debug starts with 'd:'
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if ( `SELECT INSTR(@previous_debug,'d:') = 1` )
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{
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SET @before_debug_point='d,';
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SET @after_debug_point=RIGHT(@previous_debug, LENGTH(@previous_debug) - 1);
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}
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# check if debug starts with 'd,' and has no ':'
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if ( `SELECT INSTR(@previous_debug,'d,') = 1 AND INSTR(@previous_debug,':') = 0` )
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{
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SET @before_debug_point=CONCAT(@previous_debug, ',');
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}
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# check if debug starts with 'd,' and has ':'
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if ( `SELECT INSTR(@previous_debug,'d,') = 1 AND INSTR(@previous_debug,':') > 0` )
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{
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SET @before_debug_point=LEFT(@previous_debug, INSTR(@previous_debug,':') - 1);
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SET @after_debug_point=RIGHT(@previous_debug, LENGTH(@previous_debug) - INSTR(@previous_debug,':') + 1);
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--let $_debug_point= ,$_debug_point
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}
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if (!$debug_point_silent)
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{
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--let $message_prefix=`SELECT REPEAT("#", $_include_file_depth)`
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--echo $message_prefix Adding debug point '$debug_point' to @@$_debug_type.debug
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}
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if ($rpl_debug)
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{
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--let $_to_display=`SELECT @@$_debug_type.debug`
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--echo @@$_debug_type.debug was '$_to_display'
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}
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--eval SET @@$_debug_type.debug=CONCAT(@before_debug_point, '$_debug_point', @after_debug_point)
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if ($rpl_debug)
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{
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--let $_to_display=`SELECT @@$_debug_type.debug`
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--echo @@$_debug_type.debug set to '$_to_display'
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}
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--let $include_filename= add_debug_point.inc
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--source include/end_include_file.inc
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