From 86e7a6d16ee9ffe8f5e783ec8150405b13f878fa Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Fri, 10 Dec 2021 14:13:23 +0000
Subject: Stop populating `state_events.prev_state` (#11558)

this field is never read, so we may as well stop populating it.
---
 synapse/storage/databases/main/events.py | 4 ----
 1 file changed, 4 deletions(-)

(limited to 'synapse/storage/databases/main')

diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py
index f1f4ce5e07..eed453d836 100644
--- a/synapse/storage/databases/main/events.py
+++ b/synapse/storage/databases/main/events.py
@@ -1410,10 +1410,6 @@ class PersistEventsStore:
                 "state_key": event.state_key,
             }
 
-            # TODO: How does this work with backfilling?
-            if hasattr(event, "replaces_state"):
-                vals["prev_state"] = event.replaces_state
-
             state_values.append(vals)
 
         self.db_pool.simple_insert_many_txn(
-- 
cgit 1.5.1