8 files changed, 15 insertions, 94 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index d3359e13e..594fcced9 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -192,10 +192,24 @@ abstract class CI_DB_driver {
 	// --------------------------------------------------------------------
 
 	/**
+	 * Select database
+	 *
+	 * This is just a dummy method to allow drivers without such
+	 * functionality to not declare it, while others will override it.
+	 *
+	 * @return      bool
+	 */
+	public function db_select()
+	{
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
 	 * Set client character set
 	 *
 	 * @param	string
-	 * @param	string
 	 * @return	bool
 	 */
 	public function db_set_charset($charset)
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index bed3d8685..0f9c427e6 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -159,22 +159,6 @@ class CI_DB_cubrid_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		// In CUBRID there is no need to select a database as the database
-		// is chosen at the connection time.
-		// So, to determine if the database is "selected", all we have to
-		// do is ping the server and return that value.
-		return cubrid_ping($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Database version number
 	 *
 	 * @return	string
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index d8b6ae571..6d3346292 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -85,19 +85,6 @@ class CI_DB_interbase_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	bool
-	 */
-	public function db_select()
-	{
-		// Connection selects the database
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Database version number
 	 *
 	 * @return	string
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 3bc8c114c..45b0198eb 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -186,19 +186,6 @@ class CI_DB_oci8_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		// Not in Oracle - schemas are actually usernames
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Database version number
 	 *
 	 * @return	string
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index ad773117f..ed901bd81 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -95,19 +95,6 @@ class CI_DB_odbc_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		// Not needed for ODBC
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Execute the query
 	 *
 	 * @param	string	an SQL query
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index f336eb0ab..a9bed367e 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -247,19 +247,6 @@ class CI_DB_pdo_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		// Not needed for PDO
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Database version number
 	 *
 	 * @return	string
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 3e2d05ce8..a033d74f3 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -162,19 +162,6 @@ class CI_DB_postgre_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		// Not needed for Postgre so we'll return TRUE
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Set client character set
 	 *
 	 * @param       string
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 102c79bb3..ef543c9b5 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -106,18 +106,6 @@ class CI_DB_sqlite_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Select the database
-	 *
-	 * @return	resource
-	 */
-	public function db_select()
-	{
-		return TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
 	 * Database version number
 	 *
 	 * @return	string