From d00927ce6656695a2a10254db0296af0a2b0eb8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ji=C5=99=C3=AD=20Barou=C5=A1?=
 <Amunak@users.noreply.github.com>
Date: Tue, 26 Apr 2016 12:31:40 +0200
Subject: [PATCH] Improve limit check in edit-foreign plugin

The limit is enforced in the query to prevent out-of-memory errors for big target tables.
---
 plugins/edit-foreign.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/edit-foreign.php b/plugins/edit-foreign.php
index 0bb825a2..0b5227c6 100644
--- a/plugins/edit-foreign.php
+++ b/plugins/edit-foreign.php
@@ -30,7 +30,7 @@ class AdminerEditForeign {
 					if (preg_match('~binary~', $field["type"])) {
 						$column = "HEX($column)";
 					}
-					$options = array("" => "") + get_vals("SELECT $column FROM " . table($target) . " ORDER BY 1");
+					$options = array("" => "") + get_vals("SELECT $column FROM " . table($target) . " ORDER BY 1" . ($this->_limit ? " LIMIT " . ($this->_limit + 1) : ""));
 					if ($this->_limit && count($options) - 1 > $this->_limit) {
 						return;
 					}