273 lines
8.3 KiB
PHP
273 lines
8.3 KiB
PHP
<?php
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/*
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* $Id: Mock.php 1080 2007-02-10 18:17:08Z romanb $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_Adapter');
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/**
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* Doctrine_Adapter_Oracle
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* [BORROWED FROM ZEND FRAMEWORK]
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*
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* @package Doctrine
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* @subpackage Adapter
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision: 1080 $
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*/
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class Doctrine_Adapter_Oracle extends Doctrine_Adapter
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{
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/**
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* User-provided configuration.
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*
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* Basic keys are:
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*
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* username => (string) Connect to the database as this username.
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* password => (string) Password associated with the username.
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* dbname => Either the name of the local Oracle instance, or the
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* name of the entry in tnsnames.ora to which you want to connect.
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*
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* @var array
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*/
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protected $_config = array(
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'dbname' => null,
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'username' => null,
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'password' => null,
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);
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/**
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* @var integer
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*/
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protected $_execute_mode = OCI_COMMIT_ON_SUCCESS;
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/**
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* Constructor.
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*
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* $config is an array of key/value pairs containing configuration
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* options. These options are common to most adapters:
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*
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* username => (string) Connect to the database as this username.
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* password => (string) Password associated with the username.
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* dbname => Either the name of the local Oracle instance, or the
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* name of the entry in tnsnames.ora to which you want to connect.
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*
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* @param array $config An array of configuration keys.
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* @throws Doctrine_Adapter_Exception
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*/
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public function __construct(array $config)
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{
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if ( ! isset($config['password']) || ! isset($config['username'])) {
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throw new Doctrine_Adapter_Exception('config array must have at least a username and a password');
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}
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// @todo Let this protect backward-compatibility for one release, then remove
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if ( ! isset($config['database']) || ! isset($config['dbname'])) {
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$config['dbname'] = $config['database'];
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unset($config['database']);
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trigger_error("Deprecated config key 'database', use 'dbname' instead.", E_USER_NOTICE);
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}
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// keep the config
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$this->_config = array_merge($this->_config, (array) $config);
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// create a profiler object
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$enabled = false;
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if (array_key_exists('profiler', $this->_config)) {
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$enabled = (bool) $this->_config['profiler'];
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unset($this->_config['profiler']);
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}
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$this->_profiler = new Doctrine_Profiler($enabled);
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}
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/**
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* Creates a connection resource.
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*
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* @return void
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* @throws Doctrine_Adapter_Oracle_Exception
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*/
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protected function _connect()
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{
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if (is_resource($this->_connection)) {
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// connection already exists
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return;
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}
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if ( ! extension_loaded('oci8')) {
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throw new Doctrine_Adapter_Oracle_Exception('The OCI8 extension is required for this adapter but not loaded');
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}
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if (isset($this->_config['dbname'])) {
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$this->_connection = @oci_connect(
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$this->_config['username'],
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$this->_config['password'],
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$this->_config['dbname']);
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} else {
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$this->_connection = oci_connect(
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$this->_config['username'],
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$this->_config['password']);
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}
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// check the connection
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if ( ! $this->_connection) {
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throw new Doctrine_Adapter_Oracle_Exception(oci_error());
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}
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}
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/**
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* Force the connection to close.
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*
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* @return void
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*/
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public function closeConnection()
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{
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if (is_resource($this->_connection)) {
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oci_close($this->_connection);
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}
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$this->_connection = null;
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}
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/**
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* Returns an SQL statement for preparation.
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*
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* @param string $sql The SQL statement with placeholders.
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* @return Doctrine_Statement_Oracle
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*/
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public function prepare($sql)
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{
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$this->_connect();
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$stmt = new Doctrine_Statement_Oracle($this, $sql);
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$stmt->setFetchMode($this->_fetchMode);
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return $stmt;
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}
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/**
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* Quote a raw string.
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*
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* @param string $value Raw string
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* @return string Quoted string
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*/
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protected function _quote($value)
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{
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$value = str_replace("'", "''", $value);
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return "'" . addcslashes($value, "\000\n\r\\\032") . "'";
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}
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/**
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* Quote a table identifier and alias.
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*
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* @param string|array|Doctrine_Expr $ident The identifier or expression.
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* @param string $alias An alias for the table.
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* @return string The quoted identifier and alias.
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*/
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public function quoteTableAs($ident, $alias)
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{
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// Oracle doesn't allow the 'AS' keyword between the table identifier/expression and alias.
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return $this->_quoteIdentifierAs($ident, $alias, ' ');
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}
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/**
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* Leave autocommit mode and begin a transaction.
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*
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* @return void
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*/
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protected function _beginTransaction()
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{
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$this->_setExecuteMode(OCI_DEFAULT);
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}
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/**
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* Commit a transaction and return to autocommit mode.
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*
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* @return void
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* @throws Doctrine_Adapter_Oracle_Exception
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*/
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protected function _commit()
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{
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if ( ! oci_commit($this->_connection)) {
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throw new Doctrine_Adapter_Oracle_Exception(oci_error($this->_connection));
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}
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$this->_setExecuteMode(OCI_COMMIT_ON_SUCCESS);
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}
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/**
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* Roll back a transaction and return to autocommit mode.
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*
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* @return void
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* @throws Doctrine_Adapter_Oracle_Exception
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*/
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protected function _rollBack()
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{
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if ( ! oci_rollback($this->_connection)) {
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throw new Doctrine_Adapter_Oracle_Exception(oci_error($this->_connection));
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}
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$this->_setExecuteMode(OCI_COMMIT_ON_SUCCESS);
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}
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/**
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* Set the fetch mode.
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*
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* @todo Support FETCH_CLASS and FETCH_INTO.
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*
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* @param integer $mode A fetch mode.
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* @return void
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* @throws Doctrine_Adapter_Exception
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*/
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public function setFetchMode($mode)
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{
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switch ($mode) {
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case Doctrine::FETCH_NUM: // seq array
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case Doctrine::FETCH_ASSOC: // assoc array
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case Doctrine::FETCH_BOTH: // seq+assoc array
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case Doctrine::FETCH_OBJ: // object
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$this->_fetchMode = $mode;
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break;
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default:
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throw new Doctrine_Adapter_Exception('Invalid fetch mode specified');
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break;
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}
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}
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/**
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* @param integer $mode
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* @throws Doctrine_Adapter_Exception
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*/
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private function _setExecuteMode($mode)
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{
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switch($mode) {
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case OCI_COMMIT_ON_SUCCESS:
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case OCI_DEFAULT:
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case OCI_DESCRIBE_ONLY:
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$this->_execute_mode = $mode;
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break;
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default:
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throw new Doctrine_Adapter_Exception('wrong execution mode specified');
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break;
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}
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}
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/**
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* @return
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*/
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public function _getExecuteMode()
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{
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return $this->_execute_mode;
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}
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}
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