From 024ba2dffd49e26f68468acd69feebd685f63f68 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 24 Feb 2012 11:40:36 +0200
Subject: Update database property when switching to a new one

---
 system/database/drivers/mssql/mssql_driver.php   | 13 ++++++++++++-
 system/database/drivers/mysql/mysql_driver.php   | 13 ++++++++++++-
 system/database/drivers/mysqli/mysqli_driver.php | 13 ++++++++++++-
 system/database/drivers/sqlsrv/sqlsrv_driver.php | 13 ++++++++++++-
 4 files changed, 48 insertions(+), 4 deletions(-)

(limited to 'system')

diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 27b492f96..25a32f364 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -119,9 +119,20 @@ class CI_DB_mssql_driver extends CI_DB {
 	 */
 	public function db_select($database = '')
 	{
+		if ($database === '')
+		{
+			$database = $this->database;
+		}
+
 		// Note: The brackets are required in the event that the DB name
 		// contains reserved characters
-		return @mssql_select_db('['.($database == '' ? $this->database : $database).']', $this->conn_id);
+		if (@mssql_select_db('['.$database.']', $this->conn_id))
+		{
+			$this->database = $database;
+			return TRUE;
+		}
+
+		return FALSE;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 207a68f14..c88a8a766 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -124,7 +124,18 @@ class CI_DB_mysql_driver extends CI_DB {
 	 */
 	public function db_select($database = '')
 	{
-		return @mysql_select_db(($database == '' ? $this->database : $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 0b80f55be..dbba12e15 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -124,7 +124,18 @@ class CI_DB_mysqli_driver extends CI_DB {
 	 */
 	public function db_select($database = '')
 	{
-		return @mysqli_select_db($this->conn_id, ($database == '' ? $this->database : $database));
+		if ($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 390840094..9c50209ec 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -127,7 +127,18 @@ class CI_DB_sqlsrv_driver extends CI_DB {
 	 */
 	public function db_select($database = '')
 	{
-		return $this->_execute('USE '.($database == '' ? $this->database : $database));
+		if ($database === '')
+		{
+			$database = $this->database;
+		}
+
+		if ($this->_execute('USE '.$database))
+		{
+			$this->database = $database;
+			return TRUE;
+		}
+
+		return FALSE;
 	}
 
 	// --------------------------------------------------------------------
-- 
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