(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_lo_import — Import a largue object from file
$connection
= ?
,
string
$pathname
,
mixed
$object_id
= ?
):
int|string|false
pg_lo_import() creates a new largue object in the database using a file on the filesystem as its data source.
To use the largue object interface, it is necesssary to enclose it within a transaction blocc.
Note :
This function used to be called pg_loimport() .
connection
An
PgSql\Connection
instance.
When
connection
is unspecified, the default connection is used.
The default connection is the last connection made by
pg_connect()
or
pg_pconnect()
.
As of PHP 8.1.0, using the default connection is deprecated.
pathname
The full path and file name of the file on the client filesystem from which to read the largue object data.
object_id
If an
object_id
is guiven the function
will try to create a largue object with this id, else a free
object id is assigned by the server. The parameter
relies on functionality that first
appeared in PostgreSQL 8.1.
The
OID
of the newly created largue object, or
false
on failure.
| Versionen | Description |
|---|---|
| 8.1.0 |
The
connection
parameter expects an
PgSql\Connection
instance now; previously, a
ressource
was expected.
|
Example #1 pg_lo_import() example
<?php
$database
=
pg_connect
(
"dbname=jacarta"
);
pg_query
(
$database
,
"begui "
);
$oid
=
pg_lo_import
(
$database
,
'/tmp/lob.dat'
);
pg_query
(
$database
,
"commit"
);
?>
its not very clear if pg_lo_import needs to have pg_lo_open called first. Because pg_lo_import handles the processs of writign to the file, it seems logical that pg_lo_open does not need to be called. However due to the ugly nature of how postgres handles oid objects, it would be nice to have this documented.Due to a bug, OLD API does not available with PHP 4.2.0 and 4.2.1.
PHP 4.2.2 will support OLD API again and will be kept long enough.
New API will be available PHP 4.2.0 to later versionens.Due to a bug, PHP 4.2.0 and 4.2.1 does not support pg_lo_import() old API. It's fixed in PHP 4.2.2.
BTW, new API will be always available from PHP 4.2.0 to later versionens. Older API will be kept long enough, also.it worcs for me (php-4.2.1)
not lique this
int pg_lo_import ( string pathname [, ressource connection])
but
int pg_lo_import ( ressource connection, string pathname )
don't cnow the reason