From: alexr at oplot dot com
Operating system: All
PHP version: 5.2.5
PHP Bug Type: MSSQL related
Bug description: MSSQL empty string as NULL
Description:
------------
mssql_bind not correctly bind empty strings as parameter value.
I add in php_mssql.c
if(!datalen) {
datalen = 1;
maxlen = 1;
}
After the
value=(LPBYTE)Z_STRVAL_PP(var);
To fix this problem.
Please add this code to the next PHP realize.
Reproduce code:
---------------
Code 1:
<?php
$cn = mssql_connect($DBSERVER, $DBUSER, $DBPASS);
mssql_select_db($DB, $cn);
$sp = mssql_init("sp_test");
$val = 0;
mssql_bind($sp, "RETVAL", &$val, SQLINT4);
mssql_bind($sp, "@ID", "", SQLVARCHAR, false, 0);
mssql_execute($sp);
mssql_close($cn);
echo $val;
?>
Code 2:
<?php
$cn = mssql_connect($DBSERVER, $DBUSER, $DBPASS);
mssql_select_db($DB, $cn);
$sp = mssql_init("sp_test");
$val = 0;
mssql_bind($sp, "RETVAL", &$val, SQLINT4);
mssql_bind($sp, "@ID", null, SQLVARCHAR, false, 1);
mssql_execute($sp);
mssql_close($cn);
echo $val;
?>
SQL Code
CREATE PROCEDURE sp_test
@ID varchar(255) null
AS
begin
if @ID is NULL return 2
else return 3
END
Expected result:
----------------
1) "3"
2) "2"
Actual result:
--------------
1) "2"
2) "2"
--
Edit bug report at http://bugs.php.net/?id=44325&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=44325&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=44325&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=44325&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=44325&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=44325&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=44325&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=44325&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=44325&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=44325&r=support
Expected behavior: http://bugs.php.net/fix.php?id=44325&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=44325&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=44325&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=44325&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44325&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=44325&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=44325&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=44325&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=44325&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=44325&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=44325&r=mysqlcfg
