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-rw-r--r--system/database/DB.php5
-rw-r--r--system/database/DB_driver.php27
-rw-r--r--system/database/DB_utility.php14
3 files changed, 9 insertions, 37 deletions
diff --git a/system/database/DB.php b/system/database/DB.php
index 23de414b5..355d26fb5 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -192,10 +192,13 @@ function &DB($params = '', $query_builder_override = NULL)
// Load the DB driver
$driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php';
-
file_exists($driver_file) OR show_error('Invalid DB driver');
require_once($driver_file);
+ // Load the result classes as well
+ require_once(BASEPATH.'database/DB_result.php');
+ require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_result.php');
+
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index fb9955b7c..f3aeb7f81 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -622,7 +622,6 @@ abstract class CI_DB_driver {
// cached query if it exists
if ($this->cache_on === TRUE && $return_object === TRUE && $this->_cache_init())
{
- $this->load_rdriver();
if (FALSE !== ($cache = $this->CACHE->read($sql)))
{
return $cache;
@@ -710,9 +709,9 @@ abstract class CI_DB_driver {
return TRUE;
}
- // Load and instantiate the result driver
- $driver = $this->load_rdriver();
- $RES = new $driver($this);
+ // Instantiate the driver-specific result class
+ $driver = 'CI_DB_'.$this->dbdriver.'_result';
+ $RES = new $driver($this);
// Is query caching enabled? If so, we'll serialize the
// result object and save it to a cache file.
@@ -742,26 +741,6 @@ abstract class CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Load the result drivers
- *
- * @return string the name of the result class
- */
- public function load_rdriver()
- {
- $driver = 'CI_DB_'.$this->dbdriver.'_result';
-
- if ( ! class_exists($driver, FALSE))
- {
- require_once(BASEPATH.'database/DB_result.php');
- require_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php');
- }
-
- return $driver;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Simple Query
* This is a simplified version of the query() function. Internally
* we only use it when running transaction commands since they do
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index b51893e18..fcc56f24e 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -235,13 +235,8 @@ abstract class CI_DB_utility {
* @param string $enclosure Enclosure (default: ")
* @return string
*/
- public function csv_from_result($query, $delim = ',', $newline = "\n", $enclosure = '"')
+ public function csv_from_result(CI_DB_result $query, $delim = ',', $newline = "\n", $enclosure = '"')
{
- if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
- {
- show_error('You must submit a valid result object');
- }
-
$out = '';
// First generate the headings from the table column names
foreach ($query->list_fields() as $name)
@@ -274,13 +269,8 @@ abstract class CI_DB_utility {
* @param array $params Any preferences
* @return string
*/
- public function xml_from_result($query, $params = array())
+ public function xml_from_result(CI_DB_result $query, $params = array())
{
- if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
- {
- show_error('You must submit a valid result object');
- }
-
// Set our default values
foreach (array('root' => 'root', 'element' => 'element', 'newline' => "\n", 'tab' => "\t") as $key => $val)
{