From e2c3660a0ffb13d4198893e91a90ae1abcad8915 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 30 May 2019 14:54:56 +0100
Subject: [PATCH] Add index to temp table

---
 synapse/storage/schema/delta/54/delete_forward_extremities.sql | 1 +
 1 file changed, 1 insertion(+)

diff --git a/synapse/storage/schema/delta/54/delete_forward_extremities.sql b/synapse/storage/schema/delta/54/delete_forward_extremities.sql
index aa40f13da7..b062ec840c 100644
--- a/synapse/storage/schema/delta/54/delete_forward_extremities.sql
+++ b/synapse/storage/schema/delta/54/delete_forward_extremities.sql
@@ -20,3 +20,4 @@ INSERT INTO background_updates (update_name, progress_json) VALUES
 
 DROP TABLE IF EXISTS _extremities_to_check;  -- To make this delta schema file idempotent.
 CREATE TABLE _extremities_to_check AS SELECT event_id FROM event_forward_extremities;
+CREATE INDEX _extremities_to_check_id ON _extremities_to_check(event_id);
-- 
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