mssql_data_seek
(PHP 4, PHP 5, PECL odbtp >= 1.1.1)
mssql_data_seek — Moves internal row pointer
说明
bool mssql_data_seek ( resource $result_identifier , int $row_number )mssql_data_seek() moves the internal row pointer of the MS SQL result associated with the specified result identifier to point to the specified row number, first row being number 0. The next call to mssql_fetch_row() would return that row.
参数
- result_identifier
-
The result resource that is being evaluated.
- row_number
-
The desired row number of the new result pointer.
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE.
范例
Example #1 mssql_data_seek() example
<?php
// Connect to MSSQL and select the database
$link = mssql_connect('MANGOSQLEXPRESS', 'sa', 'phpfi');
mssql_select_db('php', $link);
// Select all people
$result = mssql_query('SELECT [name], [age] FROM [persons] WHERE [age] >= 13');
if (!$result) {
die('Query failed.');
}
// Select every 4th student in the results
for ($i = mssql_num_rows($result) - 1; $i % 4; $i++) {
if (!mssql_data_seek($result, $i)) {
continue;
}
// Fetch the row ...
}
// Free the query result
mssql_free_result($result);
?>
