pg_lo_create

pg_lo_create

Create a large object

int **pg_lo_create** PgSql\Connection $connection mixed $object_id

int **pg_lo_create** mixed $object_id

creates a large

object and returns the of the large object. PostgreSQL access modes and are not supported, the object is created always with both read and write access. pg_lo_create``OID``INV_READ``INV_WRITE

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

Instead of using the large object interface (which has no access controls and is cumbersome to use), try PostgreSQL's column type and . bytea``pg_escape_bytea

Opmerking: > This function used to be called . pg_locreate

connection``object_id If an is given the function will try to create a large object with this id, else a free object id is assigned by the server. object_id

A large object , return.falseforfailure. OID

Voorbeeld: example

<?php
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   $oid = pg_lo_create($database);
   echo "$oid\n";
   $handle = pg_lo_open($database, $oid, "w");
   echo "$handle\n";
   pg_lo_write($handle, "large object data");
   pg_lo_close($handle);
   pg_query($database, "commit");
?>