From b29bfb6a91e0c69b351f00f9b27db183a4087820 Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Wed, 30 Dec 2020 16:22:37 +1300
Subject: [PATCH] Add index on civicrm_group.cache_date

Per https://github.com/civicrm/civicrm-core/pull/19287 I also considered an index on refresh_date but
I couldn't see any evidence the field is useful
---
 CRM/Contact/DAO/Group.php    | 10 +++++++++-
 xml/schema/Contact/Group.xml |  5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/CRM/Contact/DAO/Group.php b/CRM/Contact/DAO/Group.php
index b57821d1deb2..417c467eb021 100644
--- a/CRM/Contact/DAO/Group.php
+++ b/CRM/Contact/DAO/Group.php
@@ -6,7 +6,7 @@
  *
  * Generated from xml/schema/CRM/Contact/Group.xml
  * DO NOT EDIT.  Generated by CRM_Core_CodeGen
- * (GenCodeChecksum:3648ad60c504d25253ecc5655c629d72)
+ * (GenCodeChecksum:92977cbc500e10cef9399e66c0e63597)
  */
 
 /**
@@ -630,6 +630,14 @@ public static function &export($prefix = FALSE) {
    */
   public static function indices($localize = TRUE) {
     $indices = [
+      'UI_cache_date' => [
+        'name' => 'UI_cache_date',
+        'field' => [
+          0 => 'cache_date',
+        ],
+        'localizable' => FALSE,
+        'sig' => 'civicrm_group::0::cache_date',
+      ],
       'index_group_type' => [
         'name' => 'index_group_type',
         'field' => [
diff --git a/xml/schema/Contact/Group.xml b/xml/schema/Contact/Group.xml
index 41948bbb39bd..e694a6a666a7 100644
--- a/xml/schema/Contact/Group.xml
+++ b/xml/schema/Contact/Group.xml
@@ -142,6 +142,11 @@
     <comment>Date when we created the cache for a smart group</comment>
     <add>2.1</add>
   </field>
+  <index>
+    <name>UI_cache_date</name>
+    <fieldName>cache_date</fieldName>
+    <add>5.34</add>
+  </index>
   <field>
     <name>refresh_date</name>
     <type>timestamp</type>