PG_LO_EXPORT(3) PG_LO_EXPORT(3)
pg_lo_export - Export a large object to file
SYNOPSIS
bool pg_lo_export ([resource $connection], int $oid, string $pathname)
DESCRIPTION
pg_lo_export(3) takes a large object in a PostgreSQL database and saves its contents to a file on the local filesystem.
To use the large object interface, it is necessary to enclose it within a transaction block.
Note
This function used to be called pg_loexport(3).
PARAMETERS
o $connection
- PostgreSQL database connection resource. When $connection is not present, the default connection is used. The default connection
is the last connection made by pg_connect(3) or pg_pconnect(3).
o $oid
- The $OID of the large object in the database.
o $pathname
- The full path and file name of the file in which to write the large object on the client filesystem.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_lo_export(3) example
<?php
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$oid = pg_lo_create($database);
$handle = pg_lo_open($database, $oid, "w");
pg_lo_write($handle, "large object data");
pg_lo_close($handle);
pg_lo_export($database, $oid, '/tmp/lob.dat');
pg_query($database, "commit");
?>
SEE ALSO
pg_lo_import(3).
PHP Documentation Group PG_LO_EXPORT(3)
