adding zend project folders into old campcaster.

library/Zend/Db/Table/Definition.php

@@ -0,0 +1,131 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Definition.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Class for SQL table interface.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Definition
+{
+
+    /**
+     * @var array
+     */
+    protected $_tableConfigs = array();
+
+    /**
+     * __construct()
+     *
+     * @param array|Zend_Config $options
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $this->setConfig($options);
+        } elseif (is_array($options)) {
+            $this->setOptions($options);
+        }
+    }
+
+    /**
+     * setConfig()
+     *
+     * @param Zend_Config $config
+     * @return Zend_Db_Table_Definition
+     */
+    public function setConfig(Zend_Config $config)
+    {
+        $this->setOptions($config->toArray());
+        return $this;
+    }
+
+    /**
+     * setOptions()
+     *
+     * @param array $options
+     * @return Zend_Db_Table_Definition
+     */
+    public function setOptions(Array $options)
+    {
+        foreach ($options as $optionName => $optionValue) {
+            $this->setTableConfig($optionName, $optionValue);
+        }
+        return $this;
+    }
+
+    /**
+     * @param string $tableName
+     * @param array  $tableConfig
+     * @return Zend_Db_Table_Definition
+     */
+    public function setTableConfig($tableName, array $tableConfig)
+    {
+        // @todo logic here
+        $tableConfig[Zend_Db_Table::DEFINITION_CONFIG_NAME] = $tableName;
+        $tableConfig[Zend_Db_Table::DEFINITION] = $this;
+
+        if (!isset($tableConfig[Zend_Db_Table::NAME])) {
+            $tableConfig[Zend_Db_Table::NAME] = $tableName;
+        }
+
+        $this->_tableConfigs[$tableName] = $tableConfig;
+        return $this;
+    }
+
+    /**
+     * getTableConfig()
+     *
+     * @param string $tableName
+     * @return array
+     */
+    public function getTableConfig($tableName)
+    {
+        return $this->_tableConfigs[$tableName];
+    }
+
+    /**
+     * removeTableConfig()
+     *
+     * @param string $tableName
+     */
+    public function removeTableConfig($tableName)
+    {
+        unset($this->_tableConfigs[$tableName]);
+    }
+
+    /**
+     * hasTableConfig()
+     *
+     * @param string $tableName
+     * @return bool
+     */
+    public function hasTableConfig($tableName)
+    {
+        return (isset($this->_tableConfigs[$tableName]));
+    }
+
+}

library/Zend/Db/Table/Exception.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Exception.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Db_Exception
+ */
+require_once 'Zend/Db/Exception.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Exception extends Zend_Db_Exception
+{
+}
+

library/Zend/Db/Table/Row.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Row.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Table_Row_Abstract
+ */
+require_once 'Zend/Db/Table/Row/Abstract.php';
+
+
+/**
+ * Reference concrete class that extends Zend_Db_Table_Row_Abstract.
+ * Developers may also create their own classes that extend the abstract class.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Row extends Zend_Db_Table_Row_Abstract
+{
+}

library/Zend/Db/Table/Row/Exception.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Exception.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Db_Table_Exception
+ */
+require_once 'Zend/Db/Table/Exception.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Row_Exception extends Zend_Db_Table_Exception
+{
+}
+

library/Zend/Db/Table/Rowset.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Rowset.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Table_Rowset_Abstract
+ */
+require_once 'Zend/Db/Table/Rowset/Abstract.php';
+
+
+/**
+ * Reference concrete class that extends Zend_Db_Table_Rowset_Abstract.
+ * Developers may also create their own classes that extend the abstract class.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Rowset extends Zend_Db_Table_Rowset_Abstract
+{
+}

library/Zend/Db/Table/Rowset/Abstract.php

@@ -0,0 +1,419 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Db_Table_Rowset_Abstract implements SeekableIterator, Countable, ArrayAccess
+{
+    /**
+     * The original data for each row.
+     *
+     * @var array
+     */
+    protected $_data = array();
+
+    /**
+     * Zend_Db_Table_Abstract object.
+     *
+     * @var Zend_Db_Table_Abstract
+     */
+    protected $_table;
+
+    /**
+     * Connected is true if we have a reference to a live
+     * Zend_Db_Table_Abstract object.
+     * This is false after the Rowset has been deserialized.
+     *
+     * @var boolean
+     */
+    protected $_connected = true;
+
+    /**
+     * Zend_Db_Table_Abstract class name.
+     *
+     * @var string
+     */
+    protected $_tableClass;
+
+    /**
+     * Zend_Db_Table_Row_Abstract class name.
+     *
+     * @var string
+     */
+    protected $_rowClass = 'Zend_Db_Table_Row';
+
+    /**
+     * Iterator pointer.
+     *
+     * @var integer
+     */
+    protected $_pointer = 0;
+
+    /**
+     * How many data rows there are.
+     *
+     * @var integer
+     */
+    protected $_count;
+
+    /**
+     * Collection of instantiated Zend_Db_Table_Row objects.
+     *
+     * @var array
+     */
+    protected $_rows = array();
+
+    /**
+     * @var boolean
+     */
+    protected $_stored = false;
+
+    /**
+     * @var boolean
+     */
+    protected $_readOnly = false;
+
+    /**
+     * Constructor.
+     *
+     * @param array $config
+     */
+    public function __construct(array $config)
+    {
+        if (isset($config['table'])) {
+            $this->_table      = $config['table'];
+            $this->_tableClass = get_class($this->_table);
+        }
+        if (isset($config['rowClass'])) {
+            $this->_rowClass   = $config['rowClass'];
+        }
+        if (!class_exists($this->_rowClass)) {
+            require_once 'Zend/Loader.php';
+            Zend_Loader::loadClass($this->_rowClass);
+        }
+        if (isset($config['data'])) {
+            $this->_data       = $config['data'];
+        }
+        if (isset($config['readOnly'])) {
+            $this->_readOnly   = $config['readOnly'];
+        }
+        if (isset($config['stored'])) {
+            $this->_stored     = $config['stored'];
+        }
+
+        // set the count of rows
+        $this->_count = count($this->_data);
+
+        $this->init();
+    }
+
+    /**
+     * Store data, class names, and state in serialized object
+     *
+     * @return array
+     */
+    public function __sleep()
+    {
+        return array('_data', '_tableClass', '_rowClass', '_pointer', '_count', '_rows', '_stored',
+                     '_readOnly');
+    }
+
+    /**
+     * Setup to do on wakeup.
+     * A de-serialized Rowset should not be assumed to have access to a live
+     * database connection, so set _connected = false.
+     *
+     * @return void
+     */
+    public function __wakeup()
+    {
+        $this->_connected = false;
+    }
+
+    /**
+     * Initialize object
+     *
+     * Called from {@link __construct()} as final step of object instantiation.
+     *
+     * @return void
+     */
+    public function init()
+    {
+    }
+
+    /**
+     * Return the connected state of the rowset.
+     *
+     * @return boolean
+     */
+    public function isConnected()
+    {
+        return $this->_connected;
+    }
+
+    /**
+     * Returns the table object, or null if this is disconnected rowset
+     *
+     * @return Zend_Db_Table_Abstract
+     */
+    public function getTable()
+    {
+        return $this->_table;
+    }
+
+    /**
+     * Set the table object, to re-establish a live connection
+     * to the database for a Rowset that has been de-serialized.
+     *
+     * @param Zend_Db_Table_Abstract $table
+     * @return boolean
+     * @throws Zend_Db_Table_Row_Exception
+     */
+    public function setTable(Zend_Db_Table_Abstract $table)
+    {
+        $this->_table = $table;
+        $this->_connected = false;
+        // @todo This works only if we have iterated through
+        // the result set once to instantiate the rows.
+        foreach ($this as $row) {
+            $connected = $row->setTable($table);
+            if ($connected == true) {
+                $this->_connected = true;
+            }
+        }
+        return $this->_connected;
+    }
+
+    /**
+     * Query the class name of the Table object for which this
+     * Rowset was created.
+     *
+     * @return string
+     */
+    public function getTableClass()
+    {
+        return $this->_tableClass;
+    }
+
+    /**
+     * Rewind the Iterator to the first element.
+     * Similar to the reset() function for arrays in PHP.
+     * Required by interface Iterator.
+     *
+     * @return Zend_Db_Table_Rowset_Abstract Fluent interface.
+     */
+    public function rewind()
+    {
+        $this->_pointer = 0;
+        return $this;
+    }
+
+    /**
+     * Return the current element.
+     * Similar to the current() function for arrays in PHP
+     * Required by interface Iterator.
+     *
+     * @return Zend_Db_Table_Row_Abstract current element from the collection
+     */
+    public function current()
+    {
+        if ($this->valid() === false) {
+            return null;
+        }
+
+        // do we already have a row object for this position?
+        if (empty($this->_rows[$this->_pointer])) {
+            $this->_rows[$this->_pointer] = new $this->_rowClass(
+                array(
+                    'table'    => $this->_table,
+                    'data'     => $this->_data[$this->_pointer],
+                    'stored'   => $this->_stored,
+                    'readOnly' => $this->_readOnly
+                )
+            );
+        }
+
+        // return the row object
+        return $this->_rows[$this->_pointer];
+    }
+
+    /**
+     * Return the identifying key of the current element.
+     * Similar to the key() function for arrays in PHP.
+     * Required by interface Iterator.
+     *
+     * @return int
+     */
+    public function key()
+    {
+        return $this->_pointer;
+    }
+
+    /**
+     * Move forward to next element.
+     * Similar to the next() function for arrays in PHP.
+     * Required by interface Iterator.
+     *
+     * @return void
+     */
+    public function next()
+    {
+        ++$this->_pointer;
+    }
+
+    /**
+     * Check if there is a current element after calls to rewind() or next().
+     * Used to check if we've iterated to the end of the collection.
+     * Required by interface Iterator.
+     *
+     * @return bool False if there's nothing more to iterate over
+     */
+    public function valid()
+    {
+        return $this->_pointer < $this->_count;
+    }
+
+    /**
+     * Returns the number of elements in the collection.
+     *
+     * Implements Countable::count()
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return $this->_count;
+    }
+
+    /**
+     * Take the Iterator to position $position
+     * Required by interface SeekableIterator.
+     *
+     * @param int $position the position to seek to
+     * @return Zend_Db_Table_Rowset_Abstract
+     * @throws Zend_Db_Table_Rowset_Exception
+     */
+    public function seek($position)
+    {
+        $position = (int) $position;
+        if ($position < 0 || $position >= $this->_count) {
+            require_once 'Zend/Db/Table/Rowset/Exception.php';
+            throw new Zend_Db_Table_Rowset_Exception("Illegal index $position");
+        }
+        $this->_pointer = $position;
+        return $this;
+    }
+
+    /**
+     * Check if an offset exists
+     * Required by the ArrayAccess implementation
+     *
+     * @param string $offset
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->_data[(int) $offset]);
+    }
+
+    /**
+     * Get the row for the given offset
+     * Required by the ArrayAccess implementation
+     *
+     * @param string $offset
+     * @return Zend_Db_Table_Row_Abstract
+     */
+    public function offsetGet($offset)
+    {
+        $this->_pointer = (int) $offset;
+
+        return $this->current();
+    }
+
+    /**
+     * Does nothing
+     * Required by the ArrayAccess implementation
+     *
+     * @param string $offset
+     * @param mixed $value
+     */
+    public function offsetSet($offset, $value)
+    {
+    }
+
+    /**
+     * Does nothing
+     * Required by the ArrayAccess implementation
+     *
+     * @param string $offset
+     */
+    public function offsetUnset($offset)
+    {
+    }
+
+    /**
+     * Returns a Zend_Db_Table_Row from a known position into the Iterator
+     *
+     * @param int $position the position of the row expected
+     * @param bool $seek wether or not seek the iterator to that position after
+     * @return Zend_Db_Table_Row
+     * @throws Zend_Db_Table_Rowset_Exception
+     */
+    public function getRow($position, $seek = false)
+    {
+        $key = $this->key();
+        try {
+            $this->seek($position);
+            $row = $this->current();
+        } catch (Zend_Db_Table_Rowset_Exception $e) {
+            require_once 'Zend/Db/Table/Rowset/Exception.php';
+            throw new Zend_Db_Table_Rowset_Exception('No row could be found at position ' . (int) $position, 0, $e);
+        }
+        if ($seek == false) {
+            $this->seek($key);
+        }
+        return $row;
+    }
+
+    /**
+     * Returns all data as an array.
+     *
+     * Updates the $_data property with current row object values.
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        // @todo This works only if we have iterated through
+        // the result set once to instantiate the rows.
+        foreach ($this->_rows as $i => $row) {
+            $this->_data[$i] = $row->toArray();
+        }
+        return $this->_data;
+    }
+
+}

library/Zend/Db/Table/Rowset/Exception.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Exception.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Db_Table_Exception
+ */
+require_once 'Zend/Db/Table/Exception.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Rowset_Exception extends Zend_Db_Table_Exception
+{
+}

library/Zend/Db/Table/Select.php

@@ -0,0 +1,224 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Select
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Select.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Select
+ */
+require_once 'Zend/Db/Select.php';
+
+
+/**
+ * @see Zend_Db_Table_Abstract
+ */
+require_once 'Zend/Db/Table/Abstract.php';
+
+
+/**
+ * Class for SQL SELECT query manipulation for the Zend_Db_Table component.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Db_Table_Select extends Zend_Db_Select
+{
+    /**
+     * Table schema for parent Zend_Db_Table.
+     *
+     * @var array
+     */
+    protected $_info;
+
+    /**
+     * Table integrity override.
+     *
+     * @var array
+     */
+    protected $_integrityCheck = true;
+
+    /**
+     * Table instance that created this select object
+     *
+     * @var Zend_Db_Table_Abstract
+     */
+    protected $_table;
+
+    /**
+     * Class constructor
+     *
+     * @param Zend_Db_Table_Abstract $adapter
+     */
+    public function __construct(Zend_Db_Table_Abstract $table)
+    {
+        parent::__construct($table->getAdapter());
+
+        $this->setTable($table);
+    }
+
+    /**
+     * Return the table that created this select object
+     *
+     * @return Zend_Db_Table_Abstract
+     */
+    public function getTable()
+    {
+        return $this->_table;
+    }
+
+    /**
+     * Sets the primary table name and retrieves the table schema.
+     *
+     * @param Zend_Db_Table_Abstract $adapter
+     * @return Zend_Db_Select This Zend_Db_Select object.
+     */
+    public function setTable(Zend_Db_Table_Abstract $table)
+    {
+        $this->_adapter = $table->getAdapter();
+        $this->_info    = $table->info();
+        $this->_table   = $table;
+
+        return $this;
+    }
+
+    /**
+     * Sets the integrity check flag.
+     *
+     * Setting this flag to false skips the checks for table joins, allowing
+     * 'hybrid' table rows to be created.
+     *
+     * @param Zend_Db_Table_Abstract $adapter
+     * @return Zend_Db_Select This Zend_Db_Select object.
+     */
+    public function setIntegrityCheck($flag = true)
+    {
+        $this->_integrityCheck = $flag;
+        return $this;
+    }
+
+    /**
+     * Tests query to determine if expressions or aliases columns exist.
+     *
+     * @return boolean
+     */
+    public function isReadOnly()
+    {
+        $readOnly = false;
+        $fields   = $this->getPart(Zend_Db_Table_Select::COLUMNS);
+        $cols     = $this->_info[Zend_Db_Table_Abstract::COLS];
+
+        if (!count($fields)) {
+            return $readOnly;
+        }
+
+        foreach ($fields as $columnEntry) {
+            $column = $columnEntry[1];
+            $alias = $columnEntry[2];
+
+            if ($alias !== null) {
+                $column = $alias;
+            }
+
+            switch (true) {
+                case ($column == self::SQL_WILDCARD):
+                    break;
+
+                case ($column instanceof Zend_Db_Expr):
+                case (!in_array($column, $cols)):
+                    $readOnly = true;
+                    break 2;
+            }
+        }
+
+        return $readOnly;
+    }
+
+    /**
+     * Adds a FROM table and optional columns to the query.
+     *
+     * The table name can be expressed
+     *
+     * @param  array|string|Zend_Db_Expr|Zend_Db_Table_Abstract $name The table name or an
+                                                                      associative array relating
+                                                                      table name to correlation
+                                                                      name.
+     * @param  array|string|Zend_Db_Expr $cols The columns to select from this table.
+     * @param  string $schema The schema name to specify, if any.
+     * @return Zend_Db_Table_Select This Zend_Db_Table_Select object.
+     */
+    public function from($name, $cols = self::SQL_WILDCARD, $schema = null)
+    {
+        if ($name instanceof Zend_Db_Table_Abstract) {
+            $info = $name->info();
+            $name = $info[Zend_Db_Table_Abstract::NAME];
+            if (isset($info[Zend_Db_Table_Abstract::SCHEMA])) {
+                $schema = $info[Zend_Db_Table_Abstract::SCHEMA];
+            }
+        }
+
+        return $this->joinInner($name, null, $cols, $schema);
+    }
+
+    /**
+     * Performs a validation on the select query before passing back to the parent class.
+     * Ensures that only columns from the primary Zend_Db_Table are returned in the result.
+     *
+     * @return string|null This object as a SELECT string (or null if a string cannot be produced)
+     */
+    public function assemble()
+    {
+        $fields  = $this->getPart(Zend_Db_Table_Select::COLUMNS);
+        $primary = $this->_info[Zend_Db_Table_Abstract::NAME];
+        $schema  = $this->_info[Zend_Db_Table_Abstract::SCHEMA];
+
+
+        if (count($this->_parts[self::UNION]) == 0) {
+
+            // If no fields are specified we assume all fields from primary table
+            if (!count($fields)) {
+                $this->from($primary, self::SQL_WILDCARD, $schema);
+                $fields = $this->getPart(Zend_Db_Table_Select::COLUMNS);
+            }
+
+            $from = $this->getPart(Zend_Db_Table_Select::FROM);
+
+            if ($this->_integrityCheck !== false) {
+                foreach ($fields as $columnEntry) {
+                    list($table, $column) = $columnEntry;
+
+                    // Check each column to ensure it only references the primary table
+                    if ($column) {
+                        if (!isset($from[$table]) || $from[$table]['tableName'] != $primary) {
+                            require_once 'Zend/Db/Table/Select/Exception.php';
+                            throw new Zend_Db_Table_Select_Exception('Select query cannot join with another table');
+                        }
+                    }
+                }
+            }
+        }
+
+        return parent::assemble();
+    }
+}

library/Zend/Db/Table/Select/Exception.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Select
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Exception.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Db_Exception
+ */
+require_once 'Zend/Db/Select/Exception.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Db
+ * @subpackage Table
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+class Zend_Db_Table_Select_Exception extends Zend_Db_Select_Exception
+{
+}
+