From 0cd02bb98a67cc96ed6f63105034fab5bd17c188 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Mon, 20 Feb 2017 16:59:13 +0100
Subject: [PATCH] Fix dropping foreign keys linking to other database

---
 adminer/foreign.inc.php | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/adminer/foreign.inc.php b/adminer/foreign.inc.php
index ef0dd6bc..07602db4 100644
--- a/adminer/foreign.inc.php
+++ b/adminer/foreign.inc.php
@@ -7,13 +7,15 @@ if ($_POST && !$error && !$_POST["add"] && !$_POST["change"] && !$_POST["change-
 	$message = ($_POST["drop"] ? lang('Foreign key has been dropped.') : ($name != "" ? lang('Foreign key has been altered.') : lang('Foreign key has been created.')));
 	$location = ME . "table=" . urlencode($TABLE);
 	
-	$row["source"] = array_filter($row["source"], 'strlen');
-	ksort($row["source"]); // enforce input order
-	$target = array();
-	foreach ($row["source"] as $key => $val) {
-		$target[$key] = $row["target"][$key];
+	if (!$_POST["drop"]) {
+		$row["source"] = array_filter($row["source"], 'strlen');
+		ksort($row["source"]); // enforce input order
+		$target = array();
+		foreach ($row["source"] as $key => $val) {
+			$target[$key] = $row["target"][$key];
+		}
+		$row["target"] = $target;
 	}
-	$row["target"] = $target;
 	
 	if ($jush == "sqlite") {
 		queries_redirect($location, $message, recreate_table($TABLE, $TABLE, array(), array(), array(" $name" => ($_POST["drop"] ? "" : " " . format_foreign_key($row)))));