From f820fa1c26b824db1e61ff3e0e6c3cb78bceadab Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Wed, 5 Mar 2025 14:31:53 +0100
Subject: [PATCH] Mark abstract classes

---
 adminer/drivers/sqlite.inc.php | 4 ++++
 adminer/include/driver.inc.php | 4 ++--
 adminer/include/pdo.inc.php    | 4 ++--
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/adminer/drivers/sqlite.inc.php b/adminer/drivers/sqlite.inc.php
index 72d14cdc..8369878d 100644
--- a/adminer/drivers/sqlite.inc.php
+++ b/adminer/drivers/sqlite.inc.php
@@ -88,6 +88,10 @@ if (isset($_GET["sqlite"])) {
 			function __construct($filename) {
 				$this->dsn(DRIVER . ":$filename", "", "");
 			}
+
+			function select_db($db) {
+				return false;
+			}
 		}
 
 	}
diff --git a/adminer/include/driver.inc.php b/adminer/include/driver.inc.php
index 30f52fdb..79c477ce 100644
--- a/adminer/include/driver.inc.php
+++ b/adminer/include/driver.inc.php
@@ -22,7 +22,7 @@ function get_driver($id) {
 	return $drivers[$id];
 }
 
-/*abstract*/ class SqlDriver {
+abstract class SqlDriver {
 	var $_conn;
 
 	/** Create object for performing database operations
@@ -110,7 +110,7 @@ function get_driver($id) {
 	* @param array of arrays with escaped columns in keys and quoted data in values
 	* @return bool
 	*/
-	/*abstract*/ function insertUpdate($table, $rows, $primary) {
+	function insertUpdate($table, $rows, $primary) {
 		return false;
 	}
 
diff --git a/adminer/include/pdo.inc.php b/adminer/include/pdo.inc.php
index 6791343c..53b95739 100644
--- a/adminer/include/pdo.inc.php
+++ b/adminer/include/pdo.inc.php
@@ -3,7 +3,7 @@ namespace Adminer;
 
 // PDO can be used in several database drivers
 if (extension_loaded('pdo')) {
-	/*abstract*/ class PdoDb {
+	abstract class PdoDb {
 		var $_result, $server_info, $affected_rows, $errno, $error, $pdo;
 
 		function __construct() {
@@ -25,7 +25,7 @@ if (extension_loaded('pdo')) {
 			$this->server_info = @$this->pdo->getAttribute(\PDO::ATTR_SERVER_VERSION);
 		}
 
-		/*abstract function select_db($database);*/
+		abstract function select_db($database);
 
 		function quote($string) {
 			return $this->pdo->quote($string);
-- 
2.39.5