freelance programmers outsource from india freelance programmers chennai india programmers freelance programmers freelance php coder freelance outsource scripts freelance programmers programming complicated perl patterns freelance programmers php module installation freelance programmers
freelance programmers outsource from india freelance programmers perl installation and configuration freelance programmers php installation linux system freelance programmers administration US$15,US$19,US$11,US$10 cheap programmer
india outsource outsource india chennai india programmers php perl mysql freelance freelance programmer
SHOWCASE of php and perl scripts CONTACT US for php custom perl scripts
HOME
 
PHP Manual
PrevNext

pg_lo_read

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_read -- Read a large object

Description

string pg_lo_read ( resource large_object [, int len] )

pg_lo_read() reads at most len bytes from a large object and returns it as a string.

To use the large object interface, it is necessary to enclose it within a transaction block.

Note: This function used to be called pg_loread().

Parameters

large_object

PostgreSQL large object (LOB) resource, returned by pg_lo_open().

len

An optional maximum number of bytes to return. Defaults to 8192.

Return Values

A string containing len bytes from the large object, or FALSE on error.

Examples

Example 1. pg_lo_read() example

<?php
   $doc_oid = 189762345;
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   $handle = pg_lo_open($database, $doc_oid, "r");
   $data = pg_lo_read($handle, 50000);
   pg_query($database, "commit");
   echo $data;
?>

See Also

pg_lo_read_all()

PrevHomeNext
pg_lo_read_allUppg_lo_seek

Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/. Please see full copyright text at http://www.php.net/manual/en/copyright.php Original version of the above documentation is available at http://www.php.net/manual/en/



  1. Please click on Php mysql peer to peer web site
  2. Please Also click on our Web developers Showcase



Web design and Programming Copyright @ Chrisranjana.com 1999-2007. Website designed and Webdevelopers and Website programmed by Web developers and Software programmers. We do excellent software development in asp and .net c# csharp also