Php/docs/function.ingres-result-seek
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
