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-rw-r--r--[-rwxr-xr-x]system/database/DB.php102
1 files changed, 77 insertions, 25 deletions
diff --git a/system/database/DB.php b/system/database/DB.php
index 0d81e40d3..f4062fa73 100755..100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,17 +24,20 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Initialize the database
*
* @category Database
- * @author EllisLab Dev Team
- * @link http://codeigniter.com/user_guide/database/
- * @param string
- * @param bool Determines if active record should be used or not
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ *
+ * @param string|string[] $params
+ * @param bool $query_builder_override
+ * Determines if query builder should be used or not
*/
-function &DB($params = '', $active_record_override = NULL)
+function &DB($params = '', $query_builder_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
if (is_string($params) && strpos($params, '://') === FALSE)
@@ -47,13 +50,28 @@ function &DB($params = '', $active_record_override = NULL)
}
include($file_path);
+ // Make packages contain database config files
+ foreach (get_instance()->load->get_package_paths() as $path)
+ {
+ if ($path !== APPPATH)
+ {
+ if (file_exists($file_path = $path.'config/'.ENVIRONMENT.'/database.php'))
+ {
+ include($file_path);
+ }
+ elseif (file_exists($file_path = $path.'config/database.php'))
+ {
+ include($file_path);
+ }
+ }
+ }
if ( ! isset($db) OR count($db) === 0)
{
show_error('No database connection settings were found in the database config file.');
}
- if ($params != '')
+ if ($params !== '')
{
$active_group = $params;
}
@@ -67,12 +85,12 @@ function &DB($params = '', $active_record_override = NULL)
}
elseif (is_string($params))
{
-
- /* parse the URL from the DSN string
- * Database settings can be passed as discreet
- * parameters or as a data source name in the first
- * parameter. DSNs must have this prototype:
- * $dsn = 'driver://username:password@hostname/database';
+ /**
+ * Parse the URL from the DSN string
+ * Database settings can be passed as discreet
+ * parameters or as a data source name in the first
+ * parameter. DSNs must have this prototype:
+ * $dsn = 'driver://username:password@hostname/database';
*/
if (($dsn = @parse_url($params)) === FALSE)
{
@@ -88,7 +106,7 @@ function &DB($params = '', $active_record_override = NULL)
'database' => isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : ''
);
- // were additional config items set?
+ // Were additional config items set?
if (isset($dsn['query']))
{
parse_str($dsn['query'], $extra);
@@ -106,38 +124,59 @@ function &DB($params = '', $active_record_override = NULL)
}
// No DB specified yet? Beat them senseless...
- if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')
+ if (empty($params['dbdriver']))
{
show_error('You have not selected a database type to connect to.');
}
- // Load the DB classes. Note: Since the active record class is optional
+ // Load the DB classes. Note: Since the query builder class is optional
// we need to dynamically create a class that extends proper parent class
- // based on whether we're using the active record class or not.
- if ($active_record_override !== NULL)
+ // based on whether we're using the query builder class or not.
+ if ($query_builder_override !== NULL)
{
- $active_record = $active_record_override;
+ $query_builder = $query_builder_override;
+ }
+ // Backwards compatibility work-around for keeping the
+ // $active_record config variable working. Should be
+ // removed in v3.1
+ elseif ( ! isset($query_builder) && isset($active_record))
+ {
+ $query_builder = $active_record;
}
require_once(BASEPATH.'database/DB_driver.php');
- if ( ! isset($active_record) OR $active_record == TRUE)
+ if ( ! isset($query_builder) OR $query_builder === TRUE)
{
- require_once(BASEPATH.'database/DB_active_rec.php');
+ require_once(BASEPATH.'database/DB_query_builder.php');
if ( ! class_exists('CI_DB'))
{
- class CI_DB extends CI_DB_active_record { }
+ /**
+ * CI_DB
+ *
+ * Acts as an alias for both CI_DB_driver and CI_DB_query_builder.
+ *
+ * @see CI_DB_query_builder
+ * @see CI_DB_driver
+ */
+ class CI_DB extends CI_DB_query_builder { }
}
}
elseif ( ! class_exists('CI_DB'))
{
+ /**
+ * @ignore
+ */
class CI_DB extends CI_DB_driver { }
}
// Load the DB driver
$driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php';
- if ( ! file_exists($driver_file)) show_error('Invalid DB driver');
+ if ( ! file_exists($driver_file))
+ {
+ show_error('Invalid DB driver');
+ }
require_once($driver_file);
@@ -145,12 +184,25 @@ function &DB($params = '', $active_record_override = NULL)
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
- if ($DB->autoinit == TRUE)
+ // Check for a subdriver
+ if ( ! empty($DB->subdriver))
+ {
+ $driver_file = BASEPATH.'database/drivers/'.$DB->dbdriver.'/subdrivers/'.$DB->dbdriver.'_'.$DB->subdriver.'_driver.php';
+
+ if (file_exists($driver_file))
+ {
+ require_once($driver_file);
+ $driver = 'CI_DB_'.$DB->dbdriver.'_'.$DB->subdriver.'_driver';
+ $DB = new $driver($params);
+ }
+ }
+
+ if ($DB->autoinit === TRUE)
{
$DB->initialize();
}
- if (isset($params['stricton']) && $params['stricton'] == TRUE)
+ if ( ! empty($params['stricton']))
{
$DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"');
}