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Bug #41393 affected can't return
Submitted: 2007-05-15 04:13 UTC Modified: 2008-07-17 00:56 UTC
From: hack988 at gmail dot com Assigned: fmk (profile)
Status: Wont fix Package: MSSQL related
PHP Version: 4.4.7 OS: windows 2003
Private report: No CVE-ID: None
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 [2007-05-15 04:13 UTC] hack988 at gmail dot com 
Description:
------------
after executed sql query like that
IF NOT EXISTS (SELECT * FROM NumberGroup WHERE (GroupName = 'rrgrrg')) INSERT INTO NumberGroup(GroupName, AddTime) VALUES ('rrgrrg', 1);

an executed mssql_rows_affected alway return 0 either GroupName= 'rrgrrg' not in database

Reproduce code:
---------------
i have no idea to deal with this problem by myself

Expected result:
----------------
mssql_query("IF NOT EXISTS (SELECT * FROM NumberGroup WHERE (GroupName = 'rrgrrg')) INSERT INTO NumberGroup(GroupName, AddTime) VALUES ('rrgrrg', 1);");

var_dump(mssql_affected_rows($dblink);

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 [2007-07-03 16:52 UTC] fmk@php.net 
The MSSQL server returns two result sets. The first one for the status of the IF statement and the second for the insert.

The current implementation will not allow you to access the second result set (the first one must contain columns for the system to establish multiple result sets).

Workaround:

Use transactions and two querie. One to check if the row exists and one to insert the row.
 [2008-07-17 00:56 UTC] jani@php.net 
We are sorry, but we can not support PHP 4 related problems anymore.
Momentum is gathering for PHP 6, and we think supporting PHP 4 will
lead to a waste of resources which we want to put into getting PHP 6
ready.
 
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