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Bug #34624 mysqli_rpl_query_type always returns MYSQLI_RPL_MASTER for CALL statements
Submitted: 2005-09-24 06:32 UTC Modified: 2005-09-27 10:47 UTC
From: jasper at bryant-greene dot name Assigned:
Status: Not a bug Package: MySQLi related
PHP Version: 5.0.5 OS: Gentoo Linux x86
Private report: No CVE-ID: None
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 [2005-09-24 06:32 UTC] jasper at bryant-greene dot name
Description:
------------
Calling mysqli_rpl_query_type() for a CALL statement should return MYSQLI_RPL_SLAVE for CALL statements where the stored procedure is defined as READS SQL DATA, and MYSQLI_RPL_MASTER for other SPs.

The way it is now (always returning MYSQLI_RPL_MASTER) makes replication useless when stored procedures are being used.

Reproduce code:
---------------
Where getUser is a stored procedure taking one INT argument and defined as READS SQL DATA:

<?php

$query_type = $myDatabaseConnection->rpl_query_type('CALL getUser(7)');

if($query_type == MYSQLI_RPL_SLAVE) {
print('Execute on slave');
} else {
print('Execute on master');
}

?>

Expected result:
----------------
"Execute on slave"

Actual result:
--------------
"Execute on master"

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 [2005-09-24 13:37 UTC] sniper@php.net
Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip


 [2005-09-27 07:32 UTC] jasper at bryant-greene dot name
Same behaviour
 [2005-09-27 10:47 UTC] georg@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

The client isn't able to detect the type of call statement. Cause a call of a stored procedure can both retrieve and modify data, it will send statement always to the server.

As a workaround in your case , you should use the call mysqli_slave_query instead of using mysql_send_query.
 
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