From b425984cd97df69a458072c49c5ff767f44141c0 Mon Sep 17 00:00:00 2001
From: poveyd <32199157+poveyd@users.noreply.github.com>
Date: Tue, 5 May 2020 11:11:21 +0100
Subject: [PATCH] Update cycle_notification_history_in_batches.sql

---
 database_maintenance/cycle_notification_history_in_batches.sql | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/database_maintenance/cycle_notification_history_in_batches.sql b/database_maintenance/cycle_notification_history_in_batches.sql
index dc0651dc2..690a9e28a 100644
--- a/database_maintenance/cycle_notification_history_in_batches.sql
+++ b/database_maintenance/cycle_notification_history_in_batches.sql
@@ -1,5 +1,7 @@
 -- Call once at the start of the process
 
+create index created_id_nh on notification_history (created_at, id);
+
 CREATE TABLE notification_history_pivot AS SELECT * from notification_history WHERE 1=2;
 
 CREATE TEMPORARY TABLE nh_temp AS SELECT id FROM notification_history;