From 9e5f3d5cc4d6c1803c922435aedffc133fc54feb Mon Sep 17 00:00:00 2001
From: Simon Hobbs <simon@hobbs.id.au>
Date: Fri, 4 Jun 2021 00:32:04 +1000
Subject: [PATCH] Add revision_id index for certain joins,
 drupal.org/node/3211894/edit.

---
 src/Storage/DbalNestedSetSchema.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Storage/DbalNestedSetSchema.php b/src/Storage/DbalNestedSetSchema.php
index d8e57b66..a30f07e5 100644
--- a/src/Storage/DbalNestedSetSchema.php
+++ b/src/Storage/DbalNestedSetSchema.php
@@ -23,6 +23,7 @@ public function create() {
     $tree->addColumn("depth", "integer", ["unsigned" => TRUE]);
 
     $tree->setPrimaryKey(['id', 'revision_id']);
+    $tree->addIndex(['revision_id']);
     $tree->addIndex(['id', 'revision_id', 'left_pos', 'right_pos', 'depth']);
     $tree->addIndex(['left_pos', 'right_pos']);
     $tree->addIndex(['right_pos']);