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pg_lo_truncate

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pg_lo_truncate Truncates a large object

bool pg_lo_truncate ( resource $large_object , int $size )

pg_lo_truncate() truncates a large object resource.

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

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large_object

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

size

The number of bytes to truncate.

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? TRUE ?? FALSE ??

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($handle0);
   
pg_query($database"commit");
   echo 
$data;
?>

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5.6.0 Added truncate function. It supports PostgreSQL 9.3's 64bit large object. Both client and server must support PostgreSQL 9.3 and PHP must be 64bit build to use 64bit large object.



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