PHP 5.6.0 released

maxdb_data_seek

maxdb_result::data_seek

(PECL maxdb >= 1.0)

maxdb_data_seek -- maxdb_result::data_seekAdjusts the result pointer to an arbitary row in the result

Descrizione

Stile procedurale

bool maxdb_data_seek ( resource $result , int $offset )

Stile orientato agli oggetti

bool maxdb_result::data_seek ( int $offset )

The maxdb_data_seek() function seeks to an arbitrary result pointer specified by the offset in the result set represented by result. The offset parameter must be between zero and the total number of rows minus one (0..maxdb_num_rows() - 1).

Valori restituiti

Restituisce TRUE in caso di successo, FALSE in caso di fallimento.

Esempi

Example #1 Stile orientato agli oggetti

<?php
/* Open a connection */
$maxdb = new maxdb("localhost""MONA""RED""DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n"maxdb_connect_error());
   exit();
}

$query "SELECT name, state FROM hotel.city ORDER BY name";
if (
$result $maxdb->query$query)) {

   
/* seek to row no. 10 */
   
$result->data_seek(10);

   
/* fetch row */
   
$row $result->fetch_row();

   
printf ("City: %s  State: %s\n"$row[0], $row[1]);

   
/* free result set*/
   
$result->close();
}

/* close connection */
$maxdb->close();
?>

Example #2 Stile procedurale

<?php
$link 
maxdb_connect("localhost""MONA""RED""DEMODB");

/* check connection */
if (!$link) {
   
printf("Connect failed: %s\n"maxdb_connect_error());
   exit();
}

$query "SELECT name, state FROM hotel.city ORDER BY name";

if (
$result maxdb_query($link$query)) {

   
/* seek to row no. 400 */
   
maxdb_data_seek($result10);

   
/* fetch row */
   
$row maxdb_fetch_row($result);

   
printf ("City: %s  State: %s\n"$row[0], $row[1]);

   
/* free result set*/
   
maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

City: Irvine  State: CA

Vedere anche:

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