pg_get_result

(PHP 4 >= 4.2.0, PHP 5)

pg_get_result --  Get asynchronous query result

Beskrivelse

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.

Parameterliste

connection

PostgreSQL database connection resource.

Returneringsværdier

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

Eksempler

Eksempel 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";
?>

Ovenstående eksempel vil udskrive:

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

Se også

pg_send_query()