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-rw-r--r--system/application/config/autoload.php2
-rw-r--r--system/application/config/config.php2
-rw-r--r--system/application/config/database.php21
-rw-r--r--system/codeigniter/Base4.php15
-rw-r--r--system/database/DB_driver.php390
-rw-r--r--system/libraries/Controller.php3
6 files changed, 274 insertions, 159 deletions
diff --git a/system/application/config/autoload.php b/system/application/config/autoload.php
index 6a62cd652..06d8780c4 100644
--- a/system/application/config/autoload.php
+++ b/system/application/config/autoload.php
@@ -37,7 +37,7 @@
| $autoload['libraries'] = array('database', 'session', 'xmlrpc');
*/
-$autoload['libraries'] = array('database', 'calendar');
+$autoload['libraries'] = array();
/*
diff --git a/system/application/config/config.php b/system/application/config/config.php
index 12501e684..31094f3b6 100644
--- a/system/application/config/config.php
+++ b/system/application/config/config.php
@@ -31,7 +31,7 @@ $config['index_page'] = "index.php";
|--------------------------------------------------------------------------
|
| This item determines which server global should be used to retrieve the
-| URI string. The default setting of "auto" works for most servers.
+| URI string. The default setting of "AUTO" works for most servers.
| If your links do not seem to work, try one of the other delicious flavors:
|
| 'AUTO' Default - auto detects
diff --git a/system/application/config/database.php b/system/application/config/database.php
index 5e6420831..7a5764d26 100644
--- a/system/application/config/database.php
+++ b/system/application/config/database.php
@@ -34,11 +34,30 @@ $active_group = "default";
$db['default']['hostname'] = "localhost";
$db['default']['username'] = "root";
$db['default']['password'] = "";
-$db['default']['database'] = "tester";
+$db['default']['database'] = "ellislab";
$db['default']['dbdriver'] = "mysql";
$db['default']['dbprefix'] = "";
$db['default']['active_r'] = TRUE;
$db['default']['pconnect'] = FALSE;
$db['default']['db_debug'] = TRUE;
+$db['default']['cache_on'] = TRUE;
+$db['default']['cachedir'] = APPPATH.'db_cache/';
+
+
+
+$db['test']['hostname'] = "localhost";
+$db['test']['username'] = "root";
+$db['test']['password'] = "";
+$db['test']['database'] = "exp4";
+$db['test']['dbdriver'] = "mysql";
+$db['test']['dbprefix'] = "";
+$db['test']['active_r'] = TRUE;
+$db['test']['pconnect'] = FALSE;
+$db['test']['db_debug'] = TRUE;
+
+
+
+
+
?> \ No newline at end of file
diff --git a/system/codeigniter/Base4.php b/system/codeigniter/Base4.php
index 5d945c26a..eccf58ed8 100644
--- a/system/codeigniter/Base4.php
+++ b/system/codeigniter/Base4.php
@@ -20,9 +20,9 @@
*
* This file is used only when Code Igniter is being run under PHP 4.
* Since PHP 4 has such poor object handling we had to come up with
- * a hack to resolve some scoping problems. PHP 5 doesn't suffer from
- * this problem so we load one of two files based on the version of
- * PHP being run.
+ * a hack (and a really ugly one at that...) to resolve some scoping
+ * problems. PHP 5 doesn't suffer from this problem so we load one of
+ * two files based on the version of PHP being run.
*
* @package CodeIgniter
* @subpackage codeigniter
@@ -45,14 +45,7 @@ function &get_instance()
{
global $OBJ, $CI;
- if (is_object($CI))
- {
- return $CI;
- }
- else
- {
- return $OBJ->load;
- }
+ return (is_object($CI)) ? $CI : $OBJ->load;
}
?> \ No newline at end of file
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 73c723d96..811f09093 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -41,8 +41,6 @@ class CI_DB_driver {
var $conn_id = FALSE;
var $result_id = FALSE;
var $db_debug = FALSE;
- var $query_caching = FALSE;
- var $cache_dir = '';
var $benchmark = 0;
var $query_count = 0;
var $bind_marker = '?';
@@ -51,11 +49,14 @@ class CI_DB_driver {
var $trans_enabled = TRUE;
var $_trans_depth = 0;
var $_trans_failure = FALSE; // Used with transactions to determine if a rollback should occur
+ var $cache_on = FALSE;
+ var $cachedir = '';
- // These are use with Oracle
- var $stmt_id;
- var $curs_id;
- var $limit_used;
+
+ // These are use with Oracle
+ var $stmt_id;
+ var $curs_id;
+ var $limit_used;
@@ -86,10 +87,24 @@ class CI_DB_driver {
* @return void
*/
function initialize($params = '')
- {
+ {
if (is_array($params))
{
- foreach (array('hostname' => '', 'username' => '', 'password' => '', 'database' => '', 'dbdriver' => 'mysql', 'dbprefix' => '', 'port' => '', 'pconnect' => FALSE, 'db_debug' => FALSE) as $key => $val)
+ $defaults = array(
+ 'hostname' => '',
+ 'username' => '',
+ 'password' => '',
+ 'database' => '',
+ 'dbdriver' => 'mysql',
+ 'dbprefix' => '',
+ 'port' => '',
+ 'pconnect' => FALSE,
+ 'db_debug' => FALSE,
+ 'cachedir' => '',
+ 'cache_on' => FALSE
+ );
+
+ foreach ($defaults as $key => $val)
{
$this->$key = ( ! isset($params[$key])) ? $val : $params[$key];
}
@@ -112,25 +127,19 @@ class CI_DB_driver {
$this->password = ( ! isset($dsn['pass'])) ? '' : rawurldecode($dsn['pass']);
$this->database = ( ! isset($dsn['path'])) ? '' : rawurldecode(substr($dsn['path'], 1));
}
-
- if ($this->pconnect == FALSE)
- {
- $this->conn_id = $this->db_connect();
- }
- else
- {
- $this->conn_id = $this->db_pconnect();
- }
-
- if ( ! $this->conn_id)
- {
+
+ // Connect to the database
+ $this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
+
+ if ( ! $this->conn_id)
+ {
log_message('error', 'Unable to connect to the database');
- if ($this->db_debug)
- {
+ if ($this->db_debug)
+ {
$this->display_error('db_unable_to_connect');
- }
- }
+ }
+ }
else
{
if ( ! $this->db_select())
@@ -142,7 +151,13 @@ class CI_DB_driver {
$this->display_error('db_unable_to_select', $this->database);
}
}
- }
+ }
+
+ // Is there a cache direcotry specified in the config file?
+ if ($this->cachedir != '')
+ {
+ $this->cache_set_dir($this->cachedir);
+ }
}
@@ -172,15 +187,15 @@ class CI_DB_driver {
{
if (FALSE === ($sql = $this->_version()))
{
- if ($this->db_debug)
- {
+ if ($this->db_debug)
+ {
return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ }
+ return FALSE;
}
- if ($this->dbdriver == 'oci8')
- {
+ if ($this->dbdriver == 'oci8')
+ {
return $sql;
}
@@ -205,30 +220,25 @@ class CI_DB_driver {
* @param array An array of binding data
* @return mixed
*/
- function query($sql, $binds = FALSE, $return_object = TRUE)
- {
+ function query($sql, $binds = FALSE, $return_object = TRUE)
+ {
if ($sql == '')
{
- if ($this->db_debug)
- {
+ if ($this->db_debug)
+ {
log_message('error', 'Invalid query: '.$sql);
return $this->display_error('db_invalid_query');
- }
- return FALSE;
+ }
+ return FALSE;
}
- // Is query caching enabled? If the query is a "read type" we'll
+ // Is query caching enabled? If the query is a "read type" we will
// grab the previously cached query if it exists and return it.
- if ($this->query_caching == TRUE)
- {
- if (stristr($sql, 'SELECT'))
+ if ($this->cache_on == TRUE AND stristr($sql, 'SELECT'))
+ {
+ if (FALSE !== ($cache = $this->cache_read($sql)))
{
- $CACHE =& _load_cache_class();
-
- if (FALSE !== ($CACHE->cache_exists($sql)))
- {
- return $CACHE->get_cache($sql);
- }
+ return $cache;
}
}
@@ -238,20 +248,20 @@ class CI_DB_driver {
$sql = $this->compile_binds($sql, $binds);
}
- // Save the query for debugging
- $this->queries[] = $sql;
+ // Save the query for debugging
+ $this->queries[] = $sql;
// Start the Query Timer
- $time_start = list($sm, $ss) = explode(' ', microtime());
-
+ $time_start = list($sm, $ss) = explode(' ', microtime());
+
// Run the Query
- if (FALSE === ($this->result_id = $this->simple_query($sql)))
- {
- // This will trigger a rollback if transactions are being used
- $this->_trans_failure = TRUE;
-
- if ($this->db_debug)
- {
+ if (FALSE === ($this->result_id = $this->simple_query($sql)))
+ {
+ // This will trigger a rollback if transactions are being used
+ $this->_trans_failure = TRUE;
+
+ if ($this->db_debug)
+ {
log_message('error', 'Query error: '.$this->_error_message());
return $this->display_error(
array(
@@ -260,18 +270,18 @@ class CI_DB_driver {
$sql
)
);
- }
-
- return FALSE;
- }
-
+ }
+
+ return FALSE;
+ }
+
// Stop and aggregate the query time results
$time_end = list($em, $es) = explode(' ', microtime());
$this->benchmark += ($em + $es) - ($sm + $ss);
// Increment the query counter
- $this->query_count++;
-
+ $this->query_count++;
+
// Was the query a "write" type?
// If so we'll simply return true
if ($this->is_write_type($sql) === TRUE)
@@ -298,17 +308,17 @@ class CI_DB_driver {
}
// Instantiate the result object
- $RES = new $result();
- $RES->conn_id = $this->conn_id;
- $RES->db_debug = $this->db_debug;
- $RES->result_id = $this->result_id;
-
- if ($this->dbdriver == 'oci8')
- {
+ $RES = new $result();
+ $RES->conn_id = $this->conn_id;
+ $RES->db_debug = $this->db_debug;
+ $RES->result_id = $this->result_id;
+
+ if ($this->dbdriver == 'oci8')
+ {
$RES->stmt_id = $this->stmt_id;
$RES->curs_id = NULL;
$RES->limit_used = $this->limit_used;
- }
+ }
return $RES;
}
@@ -589,11 +599,11 @@ class CI_DB_driver {
if (FALSE === ($sql = $this->_list_tables()))
{
- if ($this->db_debug)
- {
+ if ($this->db_debug)
+ {
return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ }
+ return FALSE;
}
$retval = array();
@@ -638,35 +648,35 @@ class CI_DB_driver {
* @param string the table name
* @return array
*/
- function list_fields($table = '')
- {
+ function list_fields($table = '')
+ {
// Is there a cached result?
if (isset($this->data_cache['field_names'][$table]))
{
return $this->data_cache['field_names'][$table];
}
-
- if ($table == '')
- {
+
+ if ($table == '')
+ {
if ($this->db_debug)
{
return $this->display_error('db_field_param_missing');
}
return FALSE;
- }
-
+ }
+
if (FALSE === ($sql = $this->_list_columns($this->dbprefix.$table)))
{
- if ($this->db_debug)
- {
+ if ($this->db_debug)
+ {
return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ }
+ return FALSE;
}
-
- $query = $this->query($sql);
-
- $retval = array();
+
+ $query = $this->query($sql);
+
+ $retval = array();
foreach($query->result_array() as $row)
{
if (isset($row['COLUMN_NAME']))
@@ -676,11 +686,11 @@ class CI_DB_driver {
else
{
$retval[] = current($row);
- }
+ }
}
-
+
return $this->data_cache['field_names'][$table] =& $retval;
- }
+ }
// --------------------------------------------------------------------
@@ -695,16 +705,16 @@ class CI_DB_driver {
{
return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
/**
* DEPRECATED - use list_fields()
*/
- function field_names($table = '')
- {
- return $this->list_fields($table);
- }
+ function field_names($table = '')
+ {
+ return $this->list_fields($table);
+ }
// --------------------------------------------------------------------
@@ -717,15 +727,15 @@ class CI_DB_driver {
*/
function field_data($table = '')
{
- if ($table == '')
- {
+ if ($table == '')
+ {
if ($this->db_debug)
{
return $this->display_error('db_field_param_missing');
}
return FALSE;
- }
-
+ }
+
$query = $this->query($this->_field_data($this->dbprefix.$table));
return $query->field_data();
}
@@ -742,7 +752,7 @@ class CI_DB_driver {
*/
function insert_string($table, $data)
{
- $fields = array();
+ $fields = array();
$values = array();
foreach($data as $key => $val)
@@ -802,7 +812,7 @@ class CI_DB_driver {
}
return $this->_update($this->dbprefix.$table, $fields, $dest);
- }
+ }
// --------------------------------------------------------------------
@@ -838,18 +848,47 @@ class CI_DB_driver {
return call_user_func_array($function, $args);
}
}
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Enable Query Caching
+ *
+ * @access public
+ * @return void
+ */
+ function cache_on()
+ {
+ $this->query_caching = TRUE;
+ }
// --------------------------------------------------------------------
/**
- * Set Cache Path
+ * Disable Query Caching
+ *
+ * @access public
+ * @return void
+ */
+ function cache_off()
+ {
+ $this->query_caching = FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set Cache Directory Path
*
* @access public
* @param string the path to the cache directory
* @return void
*/
- function set_cache_path($path = '')
+ function cache_set_dir($path = '')
{
+ // Add a trailing slash to the path if needed
+ $path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
+
if ( ! is_dir($path) OR ! is_writable($path))
{
if ($this->db_debug)
@@ -860,58 +899,121 @@ class CI_DB_driver {
$this->enable_caching(FALSE);
return FALSE;
}
-
+
$this->cache_dir = $path;
}
// --------------------------------------------------------------------
/**
- * Enable Query Caching
+ * Set Cache Path
*
* @access public
+ * @param string the path to the cache directory
* @return void
- */
- function cache_on()
+ */
+ function cache_set_path($sql)
{
- $this->query_caching = TRUE;
+ $obj =& get_instance();
+
+ // The URI being requested will become the name of the cache sub-folder
+
+ $uri = ($obj->uri->uri_string() == '') ? 'index' : $obj->uri->uri_string();
+
+ // Convert the SQL query into a hash. This will become the cache file name.
+
+ return md5($uri).'/'.md5($sql);
}
-
+
// --------------------------------------------------------------------
/**
- * Disable Query Caching
+ * Retreive a cached query
*
* @access public
- * @return void
- */
- function cache_off()
- {
- $this->query_caching = FALSE;
- }
+ * @return string
+ */
+ function cache_read($sql)
+ {
+ if ( ! @is_dir($this->cache_dir))
+ {
+ return $this->cache_on = FALSE;
+ }
+
+ $filepath = $this->cache_set_path($sql);
+
+ if ( ! @file_exists($this->cache_dir.$filepath))
+ {
+ return FALSE;
+ }
+
+ if ( ! $fp = @fopen($this->cache_dir.$filepath, 'rb'))
+ {
+ return FALSE;
+ }
+
+ $cachedata = file_get_contents($this->cache_dir.$filepath);
+
+ if ( ! is_string($cachedata))
+ {
+ return FALSE;
+ }
+
+ return unserialize($cachedata);
+ }
// --------------------------------------------------------------------
/**
- * Load Caching Class
- *
- * @access private
- * @return object
- */
- function _load_cache_class()
+ * Write a query to a cache file
+ *
+ * @access public
+ * @return bool
+ */
+ function cache_write($sql, $object)
{
- static $CACHE = NULL;
-
- if (is_object($CACHE))
+ if ( ! @is_dir($this->cache_dir))
{
- return $CACHE;
+ return $this->cache_on = FALSE;
}
- require_once BASEPATH.'database/DB_cache'.EXT;
- $CACHE = new DB_cache();
- return $CACHE;
- }
+ $filepath = $this->cache_set_path($sql);
+
+
+
+
+
+ $dirs = array(PATH_CACHE.'db_cache', substr($this->cache_dir, 0, -1));
+
+ foreach ($dirs as $dir)
+ {
+ if ( ! @is_dir($dir))
+ {
+ if ( ! @mkdir($dir, 0777))
+ {
+ return;
+ }
+
+ @chmod($dir, 0777);
+ }
+ }
+
+ if ( ! $fp = @fopen($this->cache_dir.$this->cache_file, 'wb'))
+ {
+ return FALSE;
+ }
+
+ flock($fp, LOCK_EX);
+ fwrite($fp, $object);
+ flock($fp, LOCK_UN);
+ fclose($fp);
+
+ @chmod($this->cache_dir.$this->cache_file, 0777);
+
+ return TRUE;
+ }
+
// --------------------------------------------------------------------
/**
@@ -920,14 +1022,14 @@ class CI_DB_driver {
* @access public
* @return void
*/
- function close()
- {
- if (is_resource($this->conn_id))
- {
- $this->_close($this->conn_id);
+ function close()
+ {
+ if (is_resource($this->conn_id))
+ {
+ $this->_close($this->conn_id);
}
$this->conn_id = FALSE;
- }
+ }
// --------------------------------------------------------------------
@@ -940,8 +1042,8 @@ class CI_DB_driver {
* @param boolean whether to localize the message
* @return string sends the application/errror_db.php template
*/
- function display_error($error = '', $swap = '', $native = FALSE)
- {
+ function display_error($error = '', $swap = '', $native = FALSE)
+ {
$LANG = new CI_Language();
$LANG->load('db');
@@ -965,7 +1067,7 @@ class CI_DB_driver {
echo $error->show_error('An Error Was Encountered', $message, 'error_db');
exit;
- }
+ }
}
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index c02074fca..6a3ea9962 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -430,6 +430,7 @@ class Controller extends CI_Base {
* @access private
* @param mixed database connection values
* @param bool whether to return the object for multiple connections
+ * @param bool whether to load the active record class
* @return void
*/
function _ci_init_database($params = '', $return = FALSE, $active_record = FALSE)
@@ -439,7 +440,7 @@ class Controller extends CI_Base {
return;
}
- // Load the DB config file if needed
+ // Load the DB config file if needed. We'll test for a DSN string
if (is_string($params) AND strpos($params, '://') === FALSE)
{
include(APPPATH.'config/database'.EXT);
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-01 03:42:30 +0100