#36974 [Opn->Asn]: ORA-01405: fetched column value is NULL on LOB fields in 10g
ID: 36974
Updated by: iliaa@php.net
Reported By: crescentfreshpot at yahoo dot com
-Status: Open
+Status: Assigned
Bug Type: PDO related
Operating System: Win 2000, Win XP
PHP Version: 5.1.2
-Assigned To:
+Assigned To: wez
Previous Comments:
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[2006-07-31 18:20:48] crescentfreshpot at yahoo dot com
Same warning with PHP 5.2.0RC2-dev (cli) (built: Jul 31 2006 16:21:10)
------------------------------------------------------------------------
[2006-06-28 01:00:01] php-bugs at lists dot php dot net
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
------------------------------------------------------------------------
[2006-06-20 15:19:13] tony2001@php.net
Please try using this CVS snapshot:
http://snaps.php.net/php5.2-latest.tar.gz
For Windows:
http://snaps.php.net/win32/php5.2-win32-latest.zip
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[2006-04-05 13:48:26] crescentfreshpot at yahoo dot com
Happens on Oracle 9i as well (win xp, php 5.1.2).
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[2006-04-04 20:45:47] crescentfreshpot at yahoo dot com
Description:
------------
pdo_oci does not convert oracle nulls to php nulls when fetching from
lob fields. Appears in 5.0.5 to 5.1.2 versions of php/pdo/pdo_oci.
Oracle version is 10g. Non-lob fields appear to convert just fine.
Setting the PDO::ATTR_ORACLE_NULLS driver attribute to
PDO::NULL_TO_STRING and/or PDO::NULL_EMPTY_STRING has no effect.
I'm aware that this behaviour is 'by design' for oracle but was led to
believe by the docs that pdo handled nulls for me so I don't have to
resort to using NVL(...) in my queries.
Reproduce code:
---------------
<?php
error_reporting(E_ALL);
$dbh = new PDO('oci:', 'scott', 'tiger');
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
var_dump($dbh->query("SELECT * FROM
SCOTT.EMP")->fetch(PDO::FETCH_ASSOC));
if($dbh->exec("ALTER TABLE SCOTT.EMP ADD (PIC BLOB)") === false) {
die("ALTER TABLE failed.");
}
var_dump($dbh->query("SELECT * FROM
SCOTT.EMP")->fetch(PDO::FETCH_ASSOC));
$dbh->exec("ALTER TABLE SCOTT.EMP DROP (PIC)");
?>
Expected result:
----------------
array(8) {
["EMPNO"]=>
string(4) "7369"
["ENAME"]=>
string(5) "SMITH"
["JOB"]=>
string(5) "CLERK"
["MGR"]=>
string(4) "7902"
["HIREDATE"]=>
string(9) "17-DEC-80"
["SAL"]=>
string(3) "800"
["COMM"]=>
NULL
["DEPTNO"]=>
string(2) "20"
}
array(8) {
["EMPNO"]=>
string(4) "7369"
["ENAME"]=>
string(5) "SMITH"
["JOB"]=>
string(5) "CLERK"
["MGR"]=>
string(4) "7902"
["HIREDATE"]=>
string(9) "17-DEC-80"
["SAL"]=>
string(3) "800"
["COMM"]=>
NULL
["DEPTNO"]=>
string(2) "20"
["PIC"]=>
NULL
}
Actual result:
--------------
array(8) {
["EMPNO"]=>
string(4) "7369"
["ENAME"]=>
string(5) "SMITH"
["JOB"]=>
string(5) "CLERK"
["MGR"]=>
string(4) "7902"
["HIREDATE"]=>
string(9) "17-DEC-80"
["SAL"]=>
string(3) "800"
["COMM"]=>
NULL
["DEPTNO"]=>
string(2) "20"
}
<br />
<b>Warning</b>: PDOStatement::fetch() [<a
href='function.fetch'>function.fetch</a>]: SQLSTATE[HY000]: General
error: 1405 OCIStmtFetch: ORA-01405: fetched column value is NULL
(..\pecl_5_0\pdo_oci\oci_statement.c:446) in
<b>C:\dev\tests\db.php</b> on line <b>13</b><br />
bool(false)
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--
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