# ingres_result_seek

(PECL ingres >= 2.1.0)

ingres_result_seek — Set the row position before fetching data

### 说明

ingres_result_seek ( resource `$result` , int `$position` ) : bool

This function is used to position the cursor associated with the result resource before issuing a fetch. If ingres.array_index_start is set to 0 then the first row is 0 else it is 1. ingres_result_seek() can be used only with queries that make use of scrollable cursors. It cannot be used with ingres_unbuffered_query().

> Note: Related Configurations

> See also the ingres.scrollable and ingres.array_index_start directives in Runtime Configuration.

### 参数

`result`

  The result identifier for a query

`position`

  The row to position the cursor on. If ingres.array_index_start is set to 0, then the first row is 0, else it is 1

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 范例

Example #1 Position the cursor on the 3rd row

    <?php

    $result=ingres_query($link, "select * from airport where ap_ccode = 'ES' order by ap_place asc");

    /* goto row 3 */
    if (!ingres_result_seek($result, 3))
    {
        echo ingres_errno() . " - " . ingres_error . "\n";
        die("i died");
    }
    else
    {
        $airport = ingres_fetch_object ($result);
        {
            echo $airport->ap_iatacode . " - " .  $airport->ap_name . "\n";
        }
    }

    ingres_commit($link);

    ?>

### 参见

- ingres_query() - Send an SQL query to Ingres
- ingres_fetch_array() - Fetch a row of result into an array
- ingres_fetch_assoc() - Fetch a row of result into an associative array
- ingres_fetch_object() - Fetch a row of result into an object
- ingres_fetch_row() - Fetch a row of result into an enumerated array