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lib/Doctrine/Adapter/Db2.php

@@ -21,7 +21,7 @@
 Doctrine::autoload('Doctrine_Adapter');
 /**
  * Doctrine_Adapter_Db2
- * IBM DB2 Adapter
+ * IBM DB2 Adapter  [BORROWED FROM ZEND FRAMEWORK]
  *
  * @package     Doctrine
  * @subpackage  Doctrine_Adapter

lib/Doctrine/Adapter/Oracle.php

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