From 58ef32e272a7550a42cacc8eeee5e0f366d02bd6 Mon Sep 17 00:00:00 2001
From: "Olivier Wilkinson (reivilibre)" <oliverw@matrix.org>
Date: Tue, 12 Oct 2021 10:46:50 +0100
Subject: Revert "Add a stub implementation of `StateFilter.approx_difference`"

This reverts commit 363565e6ac803c92786d46e29badfd342e4dfa76
because a proper implementation is now in develop.
---
 synapse/storage/state.py | 8 --------
 1 file changed, 8 deletions(-)

(limited to 'synapse')

diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 806b0016d9..5e86befde4 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -193,14 +193,6 @@ class StateFilter:
                 include_others=True,
             )
 
-    def approx_difference(self, subtrahend: "StateFilter") -> "StateFilter":
-        """
-        Stub implementation! Satisfies the condition that it's an overestimate.
-        """
-        if self == subtrahend:
-            return StateFilter.none()
-        return self
-
     def make_sql_filter_clause(self) -> Tuple[str, List[str]]:
         """Converts the filter to an SQL clause.
 
-- 
cgit 1.5.1