TalkPHP - Can you use IGNORE in the update of a mysql row ?

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Can you use IGNORE in the update of a mysql row ?

so yeah i am working on my news system so i am doing in the edit part that if someone lets say posted "R" as title then ok posted done, but if it has the
R already in recored then IGNORE, it , this works create in when posting something but have not tested in delete or update before :S

The code "Not working,.. Something i am not doing right ?, please let me know :P as i said never tried on update or delete..";

PHP Code:


		
			
function editnews($sname, $uname, $story) {

    $sql = sprintf(" UPDATE IGNORE

            `news`

        SET

            `sname` = '%s',

            `uname` = '%s',

            `story` = '%s',

            `pdate` = NOW()",

            

            

        mysql_real_escape_string($sname),

        mysql_real_escape_string($uname),

        mysql_real_escape_string($story));

        $res = mysql_query($sql) or die(mysql_error());

        

              if(!mysql_affected_rows())

            {

                echo 'The Name: '.$sname.' is already taken!';

                exit;

        }

        

       if ($res) {



echo "News Post Has Been Updated!";

} else {

echo "News post could not be updated.";

        

    }

    

    return $res;



}

Thank you!
:-P

Duplicate entry 'value' for key 2
now i get that error ? any ideas ?

:::UPDATE:::
this is how it looks like now it echos out update complete but it's not working..

PHP Code:


		
			
function getrow($sname) {
 
$sql = sprintf(" SELECT * FROM `news` WHERE `sname` = '%s'",
                mysql_real_escape_string($sname));
                $res = mysql_query($sql) or die(mysql_error());
                if ($res) {
 
                if(mysql_affected_rows())
            {
               return true;
            }
else {
 
               return null;
 
}
}
}




function editnews($sname, $uname, $story) {


    $sql = sprintf(" UPDATE 
            `news`
        

        SET
            
            
            `uname` = '%s',
            `story` = '%s',
            `pdate` = NOW()
            
        WHERE `sname` = '%s'",
        

        
        
        mysql_real_escape_string($uname),
        mysql_real_escape_string($story),
        mysql_real_escape_string($sname));
        $res = mysql_query($sql) or die(mysql_error());
        if ($res) {

echo "Update complete";
} else {
echo "Did not update";
}
    
    return $res;

}

and in the editnews.php..
if(getRow($sname) == TRUE) {
echo $sname . ' already exists';
}else{
$eddn = editnews($sname, $uname, $story);
}