diff --git a/editor/include/adminer.inc.php b/editor/include/adminer.inc.php
index 508c7dae..bab09e50 100644
--- a/editor/include/adminer.inc.php
+++ b/editor/include/adminer.inc.php
@@ -121,7 +121,7 @@ FROM information_schema.KEY_COLUMN_USAGE
 WHERE TABLE_SCHEMA = " . q($this->database()) . "
 AND REFERENCED_TABLE_SCHEMA = " . q($this->database()) . "
 AND REFERENCED_TABLE_NAME = " . q($table) . "
-ORDER BY ORDINAL_POSITION", null, "") as $row //! requires MySQL 5
+ORDER BY ORDINAL_POSITION", null, "") as $row
 		) {
 			$return[$row["TABLE_NAME"]]["keys"][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
 		}
diff --git a/plugins/backward-keys.php b/plugins/backward-keys.php
new file mode 100644
index 00000000..a0069ec3
--- /dev/null
+++ b/plugins/backward-keys.php
@@ -0,0 +1,55 @@
+<?php
+
+/** Display links to tables referencing current row, same as in Adminer Editor
+* @link https://www.adminer.org/static/plugins/backward-keys.png
+* @link https://www.adminer.org/plugins/#use
+* @author Jakub Vrana, https://www.vrana.cz/
+* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+*/
+class AdminerBackwardKeys {
+	// this is copy-pasted from Adminer Editor
+
+	function backwardKeys($table, $tableName) {
+		$return = array();
+		foreach (
+			Adminer\get_rows($q = "SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_COLUMN_NAME
+FROM information_schema.KEY_COLUMN_USAGE
+WHERE TABLE_SCHEMA = " . Adminer\q(Adminer\DB) . "
+AND REFERENCED_TABLE_SCHEMA = " . Adminer\q(Adminer\DB) . "
+AND REFERENCED_TABLE_NAME = " . Adminer\q($table) . "
+ORDER BY ORDINAL_POSITION", null, "") as $row
+		) {
+			$return[$row["TABLE_NAME"]]["keys"][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
+		}
+		foreach ($return as $key => $val) {
+			$name = Adminer\adminer()->tableName(Adminer\table_status($key, true));
+			if ($name != "") {
+				$search = preg_quote($tableName);
+				$separator = '(:|\s*-)?\s+';
+				$return[$key]["name"] = (preg_match("(^$search$separator(.+)|^(.+?)$separator$search\$)iu", $name, $match) ? $match[2] . $match[3] : $name);
+			} else {
+				unset($return[$key]);
+			}
+		}
+		return $return;
+	}
+
+	function backwardKeysPrint($backwardKeys, $row) {
+		foreach ($backwardKeys as $table => $backwardKey) {
+			foreach ($backwardKey["keys"] as $cols) {
+				$link = Adminer\ME . 'select=' . urlencode($table);
+				$i = 0;
+				foreach ($cols as $column => $val) {
+					$link .= Adminer\where_link($i++, $column, $row[$val]);
+				}
+				echo "<a href='" . Adminer\h($link) . "'>" . Adminer\h($backwardKey["name"]) . "</a>";
+				$link = Adminer\ME . 'edit=' . urlencode($table);
+				foreach ($cols as $column => $val) {
+					$link .= "&set" . urlencode("[" . Adminer\bracket_escape($column) . "]") . "=" . urlencode($row[$val]);
+				}
+				echo "<a href='" . Adminer\h($link) . "' title='" . Adminer\lang('New item') . "'>+</a> ";
+			}
+		}
+	}
+}