Merge upstream branch

3 files changed, 30 insertions, 49 deletions

diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 718501b20..3eaec949c 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -141,14 +141,15 @@ class CI_DB_sqlite_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Version number query string
+	 * Database version number
 	 *
-	 * @access	public
 	 * @return	string
 	 */
-	function _version()
+	public function version()
 	{
-		return sqlite_libversion();
+		return isset($this->data_cache['version'])
+			? $this->data_cache['version']
+			: $this->data_cache['version'] = sqlite_libversion();
 	}
 
 	// --------------------------------------------------------------------
@@ -412,27 +413,18 @@ class CI_DB_sqlite_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return sqlite_error_string(sqlite_last_error($this->conn_id));
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		return sqlite_last_error($this->conn_id);
+		$error = array('code' => sqlite_last_error($this->conn_id));
+		$error['message'] = sqlite_error_string($error['code']);
+		return $error;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 2b723be0b..fd0f3eb98 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -89,7 +89,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
 		$sql = 'CREATE TABLE ';
 
 		// IF NOT EXISTS added to SQLite in 3.3.0
-		if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE)
+		if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE)
 		{
 			$sql .= 'IF NOT EXISTS ';
 		}
@@ -274,4 +274,4 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
 }
 
 /* End of file sqlite_forge.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index f00687e38..8fefcd9e2 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.1.6 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
  * @filesource
  */
 
-// ------------------------------------------------------------------------
-
 /**
  * SQLite Utility Class
  *
@@ -40,20 +38,15 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	 * List databases
 	 *
 	 * I don't believe you can do a database listing with SQLite
-	 * since each database is its own file.  I suppose we could
+	 * since each database is its own file. I suppose we could
 	 * try reading a directory looking for SQLite files, but
 	 * that doesn't seem like a terribly good idea
 	 *
-	 * @access	private
 	 * @return	bool
 	 */
-	function _list_databases()
+	public function _list_databases()
 	{
-		if ($this->db_debug)
-		{
-			return $this->db->display_error('db_unsuported_feature');
-		}
-		return array();
+		return ($this->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
 	}
 
 	// --------------------------------------------------------------------
@@ -61,14 +54,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * Optimize table query
 	 *
-	 * Is optimization even supported in SQLite?
-	 *
-	 * @access	private
 	 * @param	string	the table name
-	 * @return	object
+	 * @return	bool
 	 */
-	function _optimize_table($table)
+	public function _optimize_table($table)
 	{
+		// Not supported
 		return FALSE;
 	}
 
@@ -77,14 +68,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * Repair table query
 	 *
-	 * Are table repairs even supported in SQLite?
-	 *
-	 * @access	private
 	 * @param	string	the table name
-	 * @return	object
+	 * @return	bool
 	 */
-	function _repair_table($table)
+	public function _repair_table($table)
 	{
+		// Not supported
 		return FALSE;
 	}
 
@@ -93,16 +82,16 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * SQLite Export
 	 *
-	 * @access	private
 	 * @param	array	Preferences
 	 * @return	mixed
 	 */
-	function _backup($params = array())
+	public function _backup($params = array())
 	{
 		// Currently unsupported
 		return $this->db->display_error('db_unsuported_feature');
 	}
+
 }
 
 /* End of file sqlite_utility.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */