From: phpbug at elitecoders dot com
Operating system: OS X
PHP version: 5.0.4
PHP Bug Type: MySQL related
Bug description: SQL_CALC_FOUND_ROWS and mysql.trace_mode=true always returns 1
Description:
------------
When the php.ini "mysql.trace_mode" option is set to true,
and you do a mysql_query with SQL_CALC_FOUND_ROWS,
the result of a SELECT FOUND_ROWS() will always be 1, no matter how many
rows would have been returned (disregarding any LIMIT clause.)
changing mysql.trace_mode to false will make it return the correct number.
Reproduce code:
---------------
ini_set('mysql.trace_mode', true);
$result_id = mysql_query('SELECT SQL_CALC_FOUND_ROWS column FROM t LIMIT
5');
$rows = array();
while($row = mysql_fetch_assoc($result_id)) {
$rows[] = $row;
}
$result_id = mysql_query('SELECT FOUND_ROWS()');
list($row_total) = mysql_fetch_row($result_id);
Expected result:
----------------
$row_total will be the number of rows returned if there were no LIMIT
clause.
Actual result:
--------------
$row_total is 1, regardless of the actual found rows.
--
Edit bug report at http://bugs.php.net/?id=33021&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=33021&r=trysnapshot4
Try a CVS snapshot (php5.0):
http://bugs.php.net/fix.php?id=33021&r=trysnapshot50
Try a CVS snapshot (php5.1):
http://bugs.php.net/fix.php?id=33021&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=33021&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=33021&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=33021&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=33021&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=33021&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=33021&r=support
Expected behavior: http://bugs.php.net/fix.php?id=33021&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=33021&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=33021&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=33021&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=33021&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=33021&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=33021&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=33021&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=33021&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=33021&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=33021&r=mysqlcfg
