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--TEST--
oci_lob_truncate()
--SKIPIF--
<?php
$target_dbs = array('oracledb' => true, 'timesten' => false); // test runs on these DBs
require(dirname(__FILE__).'/skipif.inc');
?>
--FILE--
<?php
require dirname(__FILE__).'/connect.inc';
require dirname(__FILE__).'/create_table.inc';
$ora_sql = "INSERT INTO
".$schema.$table_name." (blob)
VALUES (empty_blob())
RETURNING
blob
INTO :v_blob ";
$statement = oci_parse($c,$ora_sql);
$blob = oci_new_descriptor($c,OCI_D_LOB);
oci_bind_by_name($statement,":v_blob", $blob,-1,OCI_B_BLOB);
oci_execute($statement, OCI_DEFAULT);
var_dump($blob);
$str = "this is a biiiig faaat test string. why are you reading it, I wonder? =)";
var_dump($blob->write($str));
oci_commit($c);
$select_sql = "SELECT blob FROM ".$schema.$table_name." FOR UPDATE";
$s = oci_parse($c, $select_sql);
oci_execute($s, OCI_DEFAULT);
var_dump($row = oci_fetch_array($s));
oci_commit($c);
for ($i = 5; $i >= 0; $i--) {
$select_sql = "SELECT blob FROM ".$schema.$table_name." FOR UPDATE";
$s = oci_parse($c, $select_sql);
oci_execute($s, OCI_DEFAULT);
$row = oci_fetch_array($s);
var_dump($row['BLOB']->load());
var_dump($row['BLOB']->truncate(($i-1)*10));
oci_commit($c);
}
$select_sql = "SELECT blob FROM ".$schema.$table_name." FOR UPDATE";
$s = oci_parse($c, $select_sql);
oci_execute($s, OCI_DEFAULT);
$row = oci_fetch_array($s);
var_dump($row['BLOB']->load());
var_dump($row['BLOB']->truncate(-1));
var_dump($row['BLOB']->truncate(0));
oci_commit($c);
require dirname(__FILE__).'/drop_table.inc';
echo "Done\n";
?>
--EXPECTF--
object(OCI-Lob)#%d (1) {
["descriptor"]=>
resource(%d) of type (oci8 descriptor)
}
int(72)
array(2) {
[0]=>
object(OCI-Lob)#%d (1) {
["descriptor"]=>
resource(%d) of type (oci8 descriptor)
}
["BLOB"]=>
object(OCI-Lob)#%d (1) {
["descriptor"]=>
resource(%d) of type (oci8 descriptor)
}
}
string(72) "this is a biiiig faaat test string. why are you reading it, I wonder? =)"
bool(true)
string(40) "this is a biiiig faaat test string. why "
bool(true)
string(30) "this is a biiiig faaat test st"
bool(true)
string(20) "this is a biiiig faa"
bool(true)
string(10) "this is a "
bool(true)
string(0) ""
Warning: OCI-Lob::truncate(): Length must be greater than or equal to zero in %s on line %d
bool(false)
string(0) ""
Warning: OCI-Lob::truncate(): Length must be greater than or equal to zero in %s on line %d
bool(false)
bool(true)
Done
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