From 9b6663f87a7e679ffba691cf516191fc840cf978 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Tue, 24 Nov 2009 19:20:36 -0800
Subject: Update to Kohana r4684 which is now Kohana 2.4 and has substantial
 changes.

---
 system/libraries/Database_Result.php | 170 +++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 system/libraries/Database_Result.php

(limited to 'system/libraries/Database_Result.php')

diff --git a/system/libraries/Database_Result.php b/system/libraries/Database_Result.php
new file mode 100644
index 00000000..cf2056f3
--- /dev/null
+++ b/system/libraries/Database_Result.php
@@ -0,0 +1,170 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * Database result wrapper.
+ * 
+ * $Id: Database_Result.php 4679 2009-11-10 01:45:52Z isaiah $
+ * 
+ * @package    Kohana
+ * @author     Kohana Team
+ * @copyright  (c) 2008-2009 Kohana Team
+ * @license    http://kohanaphp.com/license
+ */
+abstract class Database_Result_Core implements Countable, Iterator, SeekableIterator, ArrayAccess {
+
+	protected $result;
+
+	protected $total_rows  = 0;
+	protected $current_row = 0;
+	protected $insert_id;
+
+	// Return objects or arrays for each row
+	protected $return_objects;
+
+	/**
+	 * Sets the total number of rows and stores the result locally.
+	 *
+	 * @param   mixed   $result query result
+	 * @param   boolean $return_objects True for results as objects, false for arrays
+	 * @return  void
+	 */
+	abstract public function __construct($result, $sql, $link, $return_objects);
+
+	/**
+	 * Result destruction cleans up all open result sets.
+	 */
+	abstract public function __destruct();
+
+	/**
+	 * Return arrays for reach result, or the entire set of results
+	 *
+	 * @param  boolean $return  True to return entire result array
+	 * @return Database_Result|array
+	 */
+	abstract public function as_array($return = FALSE);
+
+	/**
+	 * Returns objects for each result
+	 *
+	 * @param  string $class  Class name to return objects as or NULL for stdClass
+	 * @return Database_Result
+	 */
+	abstract public function as_object($class = NULL, $return = FALSE);
+
+	/**
+	 * Returns the insert id
+	 *
+	 * @return int
+	 */
+	public function insert_id()
+	{
+		return $this->insert_id;
+	}
+
+	/**
+	 * Return the named column from the current row.
+	 *
+	 * @param  string  Column name
+	 * @return mixed
+	 */
+	public function get($name)
+	{
+		// Get the current row
+		$row = $this->current();
+
+		if ( ! $this->return_objects)
+			return $row[$name];
+
+		return $row->$name;
+	}
+
+	/**
+	 * Countable: count
+	 */
+	public function count()
+	{
+		return $this->total_rows;
+	}
+
+	/**
+	 * ArrayAccess: offsetExists
+	 */
+	public function offsetExists($offset)
+	{
+		return ($offset >= 0 AND $offset < $this->total_rows);
+	}
+
+	/**
+	 * ArrayAccess: offsetGet
+	 */
+	public function offsetGet($offset)
+	{
+		if ( ! $this->seek($offset))
+			return NULL;
+
+		return $this->current();
+	}
+
+	/**
+	 * ArrayAccess: offsetSet
+	 *
+	 * @throws  Kohana_Database_Exception
+	 */
+	final public function offsetSet($offset, $value)
+	{
+		throw new Kohana_Exception('Database results are read-only');
+	}
+
+	/**
+	 * ArrayAccess: offsetUnset
+	 *
+	 * @throws  Kohana_Database_Exception
+	 */
+	final public function offsetUnset($offset)
+	{
+		throw new Kohana_Exception('Database results are read-only');
+	}
+
+	/**
+	 * Iterator: key
+	 */
+	public function key()
+	{
+		return $this->current_row;
+	}
+
+	/**
+	 * Iterator: next
+	 */
+	public function next()
+	{
+		++$this->current_row;
+		return $this;
+	}
+
+	/**
+	 * Iterator: prev
+	 */
+	public function prev()
+	{
+		--$this->current_row;
+		return $this;
+	}
+
+	/**
+	 * Iterator: rewind
+	 */
+	public function rewind()
+	{
+		$this->current_row = 0;
+		return $this;
+	}
+
+	/**
+	 * Iterator: valid
+	 */
+	public function valid()
+	{
+		return $this->offsetExists($this->current_row);
+	}
+
+} // End Database_Result
\ No newline at end of file
-- 
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