maxdb_stmt_data_seek

Seeks to an arbitray row in statement result set (PECL)
bool maxdb_stmt_data_seek ( resource statement, int offset )

Procedural style:

Object oriented style (method):

stmt {
  bool data_seek(int offset);
}

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

Return values

如果成功则返回 TRUE,失败则返回 FALSE

See also

maxdb_prepare()

Example

例 1060. Object oriented style

<?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, zip FROM hotel.city ORDER BY name";
if (
$stmt = $maxdb->prepare($query)) {

 
/* execute query */
 
$stmt->execute();

 
/* bind result variables */
 
$stmt->bind_result($name, $code);

 
/* store result */
 
$stmt->store_result();

 
/* seek to row no. 5 */
 
$stmt->data_seek(5);

 
/* fetch values */
 
$stmt->fetch();

 
printf ("City: %s  Zip: %s\n", $name, $code);

 
/* close statement */
 
$stmt->close();
}

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

例 1061. Procedural style

<?php
/* Open a connection */
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

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

$query = "SELECT name, zip FROM hotel.city ORDER BY name";
if (
$stmt = maxdb_prepare($link, $query)) {

 
/* execute query */
 
maxdb_stmt_execute($stmt);

 
/* bind result variables */
 
maxdb_stmt_bind_result($stmt, $name, $code);

 
/* store result */
 
maxdb_stmt_store_result($stmt);

 
/* seek to row no. 400 */
 
maxdb_stmt_data_seek($stmt, 5);

 
/* fetch values */
 
maxdb_stmt_fetch($stmt);

 
printf ("City: %s  Zip: %s\n", $name, $code);

 
/* close statement */
 
maxdb_stmt_close($stmt);
}

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

The above examples would produce the following output:

City: Dallas  Zip: 75243