578 lines
17 KiB
PHP
578 lines
17 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Statement
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Oracle.php 18636 2009-10-17 05:44:41Z ralph $
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*/
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/**
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* @see Zend_Db_Statement
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*/
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require_once 'Zend/Db/Statement.php';
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/**
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* Extends for Oracle.
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Statement
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Db_Statement_Oracle extends Zend_Db_Statement
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{
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/**
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* Column names.
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*/
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protected $_keys;
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/**
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* Fetched result values.
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*/
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protected $_values;
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/**
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* Check if LOB field are returned as string
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* instead of OCI-Lob object
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*
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* @var boolean
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*/
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protected $_lobAsString = false;
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/**
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* Activate/deactivate return of LOB as string
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*
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* @param string $lob_as_string
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* @return Zend_Db_Statement_Oracle
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*/
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public function setLobAsString($lob_as_string)
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{
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$this->_lobAsString = (bool) $lob_as_string;
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return $this;
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}
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/**
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* Return whether or not LOB are returned as string
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*
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* @return boolean
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*/
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public function getLobAsString()
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{
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return $this->_lobAsString;
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}
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/**
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* Prepares statement handle
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*
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* @param string $sql
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* @return void
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* @throws Zend_Db_Statement_Oracle_Exception
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*/
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protected function _prepare($sql)
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{
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$connection = $this->_adapter->getConnection();
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$this->_stmt = oci_parse($connection, $sql);
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if (!$this->_stmt) {
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/**
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* @see Zend_Db_Statement_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(oci_error($connection));
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}
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}
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/**
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* Binds a parameter to the specified variable name.
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*
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* @param mixed $parameter Name the parameter, either integer or string.
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* @param mixed $variable Reference to PHP variable containing the value.
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* @param mixed $type OPTIONAL Datatype of SQL parameter.
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* @param mixed $length OPTIONAL Length of SQL parameter.
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* @param mixed $options OPTIONAL Other options.
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* @return bool
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* @throws Zend_Db_Statement_Exception
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*/
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protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
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{
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// default value
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if ($type === NULL) {
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$type = SQLT_CHR;
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}
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// default value
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if ($length === NULL) {
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$length = -1;
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}
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$retval = @oci_bind_by_name($this->_stmt, $parameter, $variable, $length, $type);
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if ($retval === false) {
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt));
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}
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return true;
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}
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/**
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* Closes the cursor, allowing the statement to be executed again.
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*
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* @return bool
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*/
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public function closeCursor()
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{
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if (!$this->_stmt) {
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return false;
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}
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oci_free_statement($this->_stmt);
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$this->_stmt = false;
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return true;
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}
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/**
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* Returns the number of columns in the result set.
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* Returns null if the statement has no result set metadata.
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*
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* @return int The number of columns.
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*/
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public function columnCount()
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{
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if (!$this->_stmt) {
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return false;
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}
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return oci_num_fields($this->_stmt);
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}
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/**
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* Retrieves the error code, if any, associated with the last operation on
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* the statement handle.
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*
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* @return string error code.
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*/
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public function errorCode()
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{
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if (!$this->_stmt) {
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return false;
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}
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$error = oci_error($this->_stmt);
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if (!$error) {
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return false;
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}
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return $error['code'];
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}
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/**
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* Retrieves an array of error information, if any, associated with the
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* last operation on the statement handle.
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*
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* @return array
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*/
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public function errorInfo()
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{
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if (!$this->_stmt) {
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return false;
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}
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$error = oci_error($this->_stmt);
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if (!$error) {
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return false;
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}
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if (isset($error['sqltext'])) {
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return array(
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$error['code'],
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$error['message'],
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$error['offset'],
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$error['sqltext'],
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);
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} else {
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return array(
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$error['code'],
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$error['message'],
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);
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}
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}
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/**
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* Executes a prepared statement.
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*
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* @param array $params OPTIONAL Values to bind to parameter placeholders.
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* @return bool
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* @throws Zend_Db_Statement_Exception
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*/
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public function _execute(array $params = null)
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{
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$connection = $this->_adapter->getConnection();
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if (!$this->_stmt) {
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return false;
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}
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if ($params !== null) {
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if (!is_array($params)) {
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$params = array($params);
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}
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$error = false;
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foreach (array_keys($params) as $name) {
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if (!@oci_bind_by_name($this->_stmt, $name, $params[$name], -1)) {
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$error = true;
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break;
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}
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}
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if ($error) {
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt));
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}
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}
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$retval = @oci_execute($this->_stmt, $this->_adapter->_getExecuteMode());
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if ($retval === false) {
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt));
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}
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$this->_keys = Array();
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if ($field_num = oci_num_fields($this->_stmt)) {
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for ($i = 1; $i <= $field_num; $i++) {
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$name = oci_field_name($this->_stmt, $i);
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$this->_keys[] = $name;
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}
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}
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$this->_values = Array();
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if ($this->_keys) {
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$this->_values = array_fill(0, count($this->_keys), null);
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}
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return $retval;
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}
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/**
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* Fetches a row from the result set.
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*
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* @param int $style OPTIONAL Fetch mode for this fetch operation.
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* @param int $cursor OPTIONAL Absolute, relative, or other.
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* @param int $offset OPTIONAL Number for absolute or relative cursors.
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* @return mixed Array, object, or scalar depending on fetch mode.
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* @throws Zend_Db_Statement_Exception
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*/
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public function fetch($style = null, $cursor = null, $offset = null)
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{
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if (!$this->_stmt) {
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return false;
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}
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if ($style === null) {
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$style = $this->_fetchMode;
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}
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$lob_as_string = $this->getLobAsString() ? OCI_RETURN_LOBS : 0;
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switch ($style) {
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case Zend_Db::FETCH_NUM:
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$row = oci_fetch_array($this->_stmt, OCI_NUM | OCI_RETURN_NULLS | $lob_as_string);
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break;
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case Zend_Db::FETCH_ASSOC:
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$row = oci_fetch_array($this->_stmt, OCI_ASSOC | OCI_RETURN_NULLS | $lob_as_string);
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break;
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case Zend_Db::FETCH_BOTH:
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$row = oci_fetch_array($this->_stmt, OCI_BOTH | OCI_RETURN_NULLS | $lob_as_string);
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break;
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case Zend_Db::FETCH_OBJ:
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$row = oci_fetch_object($this->_stmt);
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break;
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case Zend_Db::FETCH_BOUND:
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$row = oci_fetch_array($this->_stmt, OCI_BOTH | OCI_RETURN_NULLS | $lob_as_string);
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if ($row !== false) {
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return $this->_fetchBound($row);
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}
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break;
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default:
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(
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array(
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'code' => 'HYC00',
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'message' => "Invalid fetch mode '$style' specified"
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)
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);
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break;
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}
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if (! $row && $error = oci_error($this->_stmt)) {
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception($error);
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}
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if (is_array($row) && array_key_exists('zend_db_rownum', $row)) {
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unset($row['zend_db_rownum']);
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}
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return $row;
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}
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/**
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* Returns an array containing all of the result set rows.
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*
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* @param int $style OPTIONAL Fetch mode.
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* @param int $col OPTIONAL Column number, if fetch mode is by column.
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* @return array Collection of rows, each in a format by the fetch mode.
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* @throws Zend_Db_Statement_Exception
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*/
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public function fetchAll($style = null, $col = 0)
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{
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if (!$this->_stmt) {
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return false;
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}
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// make sure we have a fetch mode
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if ($style === null) {
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$style = $this->_fetchMode;
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}
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$flags = OCI_FETCHSTATEMENT_BY_ROW;
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switch ($style) {
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case Zend_Db::FETCH_BOTH:
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/**
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* @see Zend_Db_Adapter_Oracle_Exception
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*/
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require_once 'Zend/Db/Statement/Oracle/Exception.php';
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throw new Zend_Db_Statement_Oracle_Exception(
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array(
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'code' => 'HYC00',
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'message' => "OCI8 driver does not support fetchAll(FETCH_BOTH), use fetch() in a loop instead"
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)
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);
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// notreached
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$flags |= OCI_NUM;
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$flags |= OCI_ASSOC;
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break;
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case Zend_Db::FETCH_NUM:
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$flags |= OCI_NUM;
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break;
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case Zend_Db::FETCH_ASSOC:
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$flags |= OCI_ASSOC;
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break;
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case Zend_Db::FETCH_OBJ:
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break;
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case Zend_Db::FETCH_COLUMN:
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$flags = $flags &~ OCI_FETCHSTATEMENT_BY_ROW;
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||
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$flags |= OCI_FETCHSTATEMENT_BY_COLUMN;
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||
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$flags |= OCI_NUM;
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||
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break;
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||
|
|
default:
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||
|
|
/**
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||
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|
* @see Zend_Db_Adapter_Oracle_Exception
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||
|
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*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception(
|
||
|
|
array(
|
||
|
|
'code' => 'HYC00',
|
||
|
|
'message' => "Invalid fetch mode '$style' specified"
|
||
|
|
)
|
||
|
|
);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = Array();
|
||
|
|
if ($flags != OCI_FETCHSTATEMENT_BY_ROW) { /* not Zend_Db::FETCH_OBJ */
|
||
|
|
if (! ($rows = oci_fetch_all($this->_stmt, $result, 0, -1, $flags) )) {
|
||
|
|
if ($error = oci_error($this->_stmt)) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception($error);
|
||
|
|
}
|
||
|
|
if (!$rows) {
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($style == Zend_Db::FETCH_COLUMN) {
|
||
|
|
$result = $result[$col];
|
||
|
|
}
|
||
|
|
foreach ($result as &$row) {
|
||
|
|
if (is_array($row) && array_key_exists('zend_db_rownum', $row)) {
|
||
|
|
unset($row['zend_db_rownum']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
while (($row = oci_fetch_object($this->_stmt)) !== false) {
|
||
|
|
$result [] = $row;
|
||
|
|
}
|
||
|
|
if ($error = oci_error($this->_stmt)) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception($error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a single column from the next row of a result set.
|
||
|
|
*
|
||
|
|
* @param int $col OPTIONAL Position of the column to fetch.
|
||
|
|
* @return string
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function fetchColumn($col = 0)
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!oci_fetch($this->_stmt)) {
|
||
|
|
// if no error, there is simply no record
|
||
|
|
if (!$error = oci_error($this->_stmt)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception($error);
|
||
|
|
}
|
||
|
|
|
||
|
|
$data = oci_result($this->_stmt, $col+1); //1-based
|
||
|
|
if ($data === false) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->getLobAsString()) {
|
||
|
|
// instanceof doesn't allow '-', we must use a temporary string
|
||
|
|
$type = 'OCI-Lob';
|
||
|
|
if ($data instanceof $type) {
|
||
|
|
$data = $data->read($data->size());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetches the next row and returns it as an object.
|
||
|
|
*
|
||
|
|
* @param string $class OPTIONAL Name of the class to create.
|
||
|
|
* @param array $config OPTIONAL Constructor arguments for the class.
|
||
|
|
* @return mixed One object instance of the specified class.
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function fetchObject($class = 'stdClass', array $config = array())
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$obj = oci_fetch_object($this->_stmt);
|
||
|
|
|
||
|
|
if ($error = oci_error($this->_stmt)) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception($error);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* @todo XXX handle parameters */
|
||
|
|
|
||
|
|
return $obj;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the next rowset (result set) for a SQL statement that has
|
||
|
|
* multiple result sets. An example is a stored procedure that returns
|
||
|
|
* the results of multiple queries.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function nextRowset()
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Statement_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception(
|
||
|
|
array(
|
||
|
|
'code' => 'HYC00',
|
||
|
|
'message' => 'Optional feature not implemented'
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the number of rows affected by the execution of the
|
||
|
|
* last INSERT, DELETE, or UPDATE statement executed by this
|
||
|
|
* statement object.
|
||
|
|
*
|
||
|
|
* @return int The number of rows affected.
|
||
|
|
* @throws Zend_Db_Statement_Exception
|
||
|
|
*/
|
||
|
|
public function rowCount()
|
||
|
|
{
|
||
|
|
if (!$this->_stmt) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$num_rows = oci_num_rows($this->_stmt);
|
||
|
|
|
||
|
|
if ($num_rows === false) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Db_Adapter_Oracle_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Db/Statement/Oracle/Exception.php';
|
||
|
|
throw new Zend_Db_Statement_Oracle_Exception(oci_error($this->_stmt));
|
||
|
|
}
|
||
|
|
|
||
|
|
return $num_rows;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|