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-rw-r--r--system/core/Common.php31
-rw-r--r--system/database/drivers/mssql/mssql_driver.php21
-rw-r--r--system/database/drivers/mysql/mysql_driver.php16
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php16
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php21
-rw-r--r--user_guide_src/source/changelog.rst1
-rw-r--r--user_guide_src/source/database/connecting.rst6
7 files changed, 80 insertions, 32 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index 225227d17..491979350 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -56,7 +56,7 @@ if ( ! function_exists('is_php'))
function is_php($version = '5.0.0')
{
static $_is_php;
- $version = (string)$version;
+ $version = (string) $version;
if ( ! isset($_is_php[$version]))
{
@@ -84,7 +84,7 @@ if ( ! function_exists('is_really_writable'))
function is_really_writable($file)
{
// If we're on a Unix server with safe_mode off we call is_writable
- if (DIRECTORY_SEPARATOR === '/' AND @ini_get('safe_mode') == FALSE)
+ if (DIRECTORY_SEPARATOR === '/' && (bool) @ini_get('safe_mode') === FALSE)
{
return is_writable($file);
}
@@ -120,7 +120,7 @@ if ( ! function_exists('is_really_writable'))
/**
* Class registry
*
-* This function acts as a singleton. If the requested class does not
+* This function acts as a singleton. If the requested class does not
* exist it is instantiated and set to a static variable. If it has
* previously been instantiated the variable is returned.
*
@@ -192,7 +192,7 @@ if ( ! function_exists('load_class'))
// --------------------------------------------------------------------
/**
-* Keeps track of which libraries have been loaded. This function is
+* Keeps track of which libraries have been loaded. This function is
* called by the load_class() function above
*
* @access public
@@ -437,7 +437,7 @@ if ( ! function_exists('set_status_header'))
show_error('Status codes must be numeric', 500);
}
- if (isset($stati[$code]) AND $text == '')
+ if (isset($stati[$code]) && $text == '')
{
$text = $stati[$code];
}
@@ -447,19 +447,19 @@ if ( ! function_exists('set_status_header'))
show_error('No status text available. Please check your status code number or supply your own message text.', 500);
}
- $server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
+ $server_protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
if (strpos(php_sapi_name(), 'cgi') === 0)
{
- header("Status: {$code} {$text}", TRUE);
+ header('Status: '.$code.' '.$text, TRUE);
}
- elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0')
+ elseif ($server_protocol === 'HTTP/1.0')
{
- header($server_protocol." {$code} {$text}", TRUE, $code);
+ header('HTTP/1.0 '.$code.' '.$text, TRUE, $code);
}
else
{
- header("HTTP/1.1 {$code} {$text}", TRUE, $code);
+ header('HTTP/1.1 '.$code.' '.$text, TRUE, $code);
}
}
}
@@ -564,14 +564,9 @@ if ( ! function_exists('html_escape'))
{
function html_escape($var)
{
- if (is_array($var))
- {
- return array_map('html_escape', $var);
- }
- else
- {
- return htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
- }
+ return is_array($var)
+ ? array_map('html_escape', $var)
+ : htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
}
}
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 2a1098932..25a32f364 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -114,14 +114,25 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
// Note: The brackets are required in the event that the DB name
// contains reserved characters
- return @mssql_select_db('['.$this->database.']', $this->conn_id);
+ if (@mssql_select_db('['.$database.']', $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -676,4 +687,4 @@ class CI_DB_mssql_driver extends CI_DB {
/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/mssql/mssql_driver.php */
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 067710ff0..c88a8a766 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -119,11 +119,23 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysql_select_db($this->database, $this->conn_id);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysql_select_db($database, $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index a79b2a4ad..dbba12e15 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -119,11 +119,23 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysqli_select_db($this->conn_id, $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysqli_select_db($this->conn_id, $database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 6fd52ef70..9c50209ec 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -122,12 +122,23 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return $this->_execute('USE ' . $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if ($this->_execute('USE '.$database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -608,4 +619,4 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/mssql/mssql_driver.php */
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index c3f9ff065..cd82c0148 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -52,6 +52,7 @@ Release Date: Not Released
- Added dsn if the group connections in the config use PDO or any driver which need DSN.
- Improved PDO database support.
- Added Interbase/Firebird database support via the "interbase" driver
+ - An optional database name parameter was added db_select().
- Libraries
diff --git a/user_guide_src/source/database/connecting.rst b/user_guide_src/source/database/connecting.rst
index a834cc0f7..fb4524116 100644
--- a/user_guide_src/source/database/connecting.rst
+++ b/user_guide_src/source/database/connecting.rst
@@ -122,6 +122,12 @@ return the database object.
| $DB1->result();
| etc...
+.. note:: You don't need to create separate database configurations if you
+ only need to use a different database on the same connection. You
+ can switch to a different database when you need to, like this:
+
+ | $this->db->db_select($database2_name);
+
Reconnecting / Keeping the Connection Alive
===========================================
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-05 11:48:00 +0100