pg_affected_rows
pg_client_encoding
PostgreSQL Functions
PHP Manual

# pg_cancel_query

(PHP 4 >= 4.2.0, PHP 5)

pg_cancel_query — Cancel an asynchronous query

### Descripción

bool pg_cancel_query ( resource `$connection` )

pg_cancel_query() cancels an asynchronous query sent with pg_send_query(), pg_send_query_params() or pg_send_execute(). You cannot cancel a query executed using pg_query().

### Lista de parámetros

`connection`

  PostgreSQL database connection resource.

### Valores retornados

Devuelve `TRUE` si todo se llevó a cabo correctamente, `FALSE` en caso de fallo.

### Ejemplos

Example #1 pg_cancel_query() example

`<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
if (!pg_connection_busy($dbconn)) {
pg_send_query($dbconn, "select * from authors; select count(*) from authors;");
}
$res1 = pg_get_result($dbconn);
echo "First call to pg_get_result(): $res1\n";
$rows1 = pg_num_rows($res1);
echo "$res1 has $rows1 records\n\n";
// Cancel the currently running query. Will be the second query if it is
// still running.
pg_cancel_query($dbconn);
?>`

El resultado del ejemplo seria:

    First call to pg_get_result(): Resource id #3
    Resource id #3 has 3 records

### Ver también

- pg_send_query() - Sends asynchronous query
- pg_connection_busy() - Get connection is busy or not

pg_affected_rows
pg_client_encoding
PostgreSQL Functions
PHP Manual