From: jarismar_silva at adplabs dot com
Operating system: Linux
PHP version: 5.2.0RC5
PHP Bug Type: PDO related
Bug description: Cannot load Lob data with more than 4000 bytes on ORACLE 10
Description:
------------
Trying to read a CLOB field with has more than 4000 bytes result on empty
stream.
Reproduce code:
---------------
<?php
/* Table structure
CREATE TABLE test_clob (
id NUMBER(10),
data CLOB
)
*/
$sDSN = 'oci:dbname=//<server>:1521/<database>;charset=UTF-8';
$sUserName = '<user>';
$sPassword = '<passwd';
try {
$oPDO = new PDO($sDSN, $sUserName, $sPassword, $aDriverOptions);
$oStmt = $oPDO->prepare("insert into test_clob (id, data) values (:id,
EMPTY_CLOB())");
$iID = 1;
$oStmt->bindParam(':id', $iID);
if ($oStmt->execute()) {
$oStmt = $oPDO->prepare("update test_clob set data=:value where
id=1");
$sData = '<4000 bytes or more>';
$oStmt->bindParam(':value', $sData);
if ($oStmt->execute() === false) {
throw new Exception('Error on update clob');
}
} else {
throw new Exception('Error on insert EMPTY_CLOB');
}
$oStmt = $oPDO->prepare("select data from test_clob where id = :id");
$oStmt->bindParam('id', $iID);
$oStmt->execute();
$oResult = $oStmt->fetch();
echo 'Read '.strlen(stream_get_contents($oResult['DATA'])).' characters
<br>';
} catch (Exception $oE) {
echo '<pre>';print_r($oStmt->errorInfo());echo "</pre><br>\n";
echo $oException->getMessage()."<br>\n";
}
$oPDO = null;
Expected result:
----------------
Read N characters (N >0)
Actual result:
--------------
Read 0 characters
--
Edit bug report at http://bugs.php.net/?id=39199&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=39199&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=39199&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=39199&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=39199&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=39199&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=39199&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=39199&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=39199&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=39199&r=support
Expected behavior: http://bugs.php.net/fix.php?id=39199&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=39199&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=39199&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=39199&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39199&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=39199&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=39199&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=39199&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=39199&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=39199&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=39199&r=mysqlcfg