PHP: pg_get_result - Manual

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Last updated: Sat, 27 Jan 2007

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# pg_get_result

(PHP 4 >= 4.2.0, PHP 5)

pg_get_result -- Get asynchronous query result

## Описание

resource pg_get_result ( [resource connection] )

pg_get_result() gets the result resource from an asynchronous query executed by pg_send_query(), pg_send_query_params() or pg_send_execute().

pg_send_query() and the other asynchronous query functions can send multiple queries to a PostgreSQL server and pg_get_result() is used to get each query's results, one by one.

## Список параметров

`connection`

  PostgreSQL database connection resource.

## Возвращаемые значения

The result resource, or `FALSE` if no more results are available.

## Примеры

Пример 1. pg_get_result() 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";
$res2 = pg_get_result($dbconn);
echo "Second call to pg_get_result(): $res2\n";
$rows2 = pg_num_rows($res2);
echo "$res2 has $rows2 records\n";
?>`

Результат выполнения данного примера:

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

    Second call to pg_get_result(): Resource id #4
    Resource id #4 has 1 records

## Смотрите также

pg_send_query()

add a note User Contributed Notes
pg_get_result
william at 25thandClement dot com
27-Jan-2005 03:03
`There is no way to poll/wait for a notification to come in. You either have to enter a busy loop or sleep. Both options are horrible. It would be nice for PHP to provide access to PQsocket so one could select() on the socket connection. This is how it's done from C or Perl.`
add a note
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Last updated: Sat, 27 Jan 2007
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