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

如果成功则返回 TRUE，失败则返回 FALSE。

范例

Example #1 mssql_data_seek() example


<?php
// Connect to MSSQL
$link = mssql_connect('MANGO\SQLEXPRESS', '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);
?>