Oci.php

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<?php
#require_once 'Zend/Db/Statement/Pdo.php';

class Zend_Db_Statement_Pdo_Oci extends Zend_Db_Statement_Pdo
{

    public function fetchAll($style = null, $col = null)
    {
        $data = parent::fetchAll($style, $col);
        $results = array();
        $remove = $this->_adapter->foldCase('zend_db_rownum');

        foreach ($data as $row) {
            if (is_array($row) && array_key_exists($remove, $row)) {
                unset($row[$remove]);
            }
            $results[] = $row;
        }
        return $results;
    }


    public function fetch($style = null, $cursor = null, $offset = null)
    {
        $row = parent::fetch($style, $cursor, $offset);

        $remove = $this->_adapter->foldCase('zend_db_rownum');
        if (is_array($row) && array_key_exists($remove, $row)) {
            unset($row[$remove]);
        }

        return $row;
    }
}