Not dumb at all!!
It means that "mysql_field_seek" and "mysql_data_seek" are moving the same cursor... through the rows and columns of the result resource.
Also means that the cursor goes to a new row when it reach a final field(aka column), by exemple while looping with "mysql_fetch_field".
Calling "mysql_fetch_object", "mysql_fetch_array", "mysql_fetch_assoc"
and "mysql_fetch_row" seems to place the cursor at the end of the line.
So calling "mysql_fetch_field" without a field index, just after that, will return false.
mysql_field_seek
(PHP 4, PHP 5, PECL mysql:1.0)
mysql_field_seek — Asigna el puntero del resultado al offset del campo específicado
Descripción
int mysql_field_seek
( int $id_resultado
, int $offset_del_campo
)
Busca el offset del campo específicado. Si la próxima llamada a mysql_fetch_field() no incluye un offset de campo, se devolverá ese campo.
Ver también mysql_fetch_field().
mysql_field_seek
adrien dot gibrat at gmail dot com
04-Oct-2008 10:12
04-Oct-2008 10:12
chris at igwsolutions dot com
26-Apr-2008 12:23
26-Apr-2008 12:23
I spent a good deal of time trying to get the example to work, but the example does not work.
To do what the exaple is trying to do, you would need to use mysql_data_seek
assume we have table named testing which contains
id name
1 Hassan
2 Jack
3 Rose
---------------
Here is an expample that will do the above example.
Since I am more comfortable in a OOP setting, I used mysql_fetch_object
<?php
require("myConnenctionFile.php");
$sql="SELECT * from testing";
$result=mysql_query($sql);
$row = mysql_fetch_object($result);
echo $row->id . ' ' . $row->name; // Output is (1 Hassan)
mysql_data_seek($result,2);
$row = mysql_fetch_object($result);
echo $row->id . ' ' . $row->name; // Output is (3 Rose)
echo "<BR><BR>";
?>
Hassan Kazem
11-Jan-2008 07:34
11-Jan-2008 07:34
an example of this function
assume we have table1 which contains
ID Name
1 Hassan
2 Jack
3 Rose
---------------
<?php
mysql_connect("sql.server.com", "username", "password") or die(mysql_error());
mysql_select_db("database") or die(mysql_error());
$sql="SELECT * from table1";
$result=mysql_query($sql);
$row = mysql_fetch_array($result);
echo $row['ID'] . ' ' . $row['Name']; // Output is (1 Hassan)
mysql_field_seek($result,2);
echo $row['ID'] . ' ' . $row['Name']; // Output is (3 Rose)
?>
---------------
// You can see that the seek command forwarded the pointer one step and skipped row number 2
poulpillusion at free dot fr
17-Apr-2007 04:44
17-Apr-2007 04:44
A dumb comment... but it may save people some time :
mysql_field_seek != mysql_data_seek
In order to fetch again the results of a resource result from the beginning, you will use mysql_data_seek(id, 0)
