pg_lo_truncate
Truncates a large object
Description
bool pg_lo_truncate(PgSql\Lob $lob
, int $size
)
To use the large object interface, it is necessary to
enclose it within a transaction block.
Parameters
-
lob
-
An PgSql\Lob instance, returned by pg_lo_open.
-
size
-
The number of bytes to truncate.
Return Values
Returns true
on success or false
on failure.
Examples
Example #1 pg_lo_truncate example
<?php
$doc_oid = 189762345;
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$handle = pg_lo_open($database, $doc_oid, "r");
// Truncate to 0
pg_lo_truncate($handle, 0);
pg_query($database, "commit");
echo $data;
?>