Batch fetch bundled annotations (#14491)

Avoid an n+1 query problem and fetch the bundled aggregations for
m.annotation relations in a single query instead of a query per event.

This applies similar logic for as was previously done for edits in
8b309adb436c162510ed1402f33b8741d71fc058 (#11660) and threads
in b65acead428653b988351ae8d7b22127a22039cd (#11752).

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py

index 75428d19ba..72227359b9 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -503,7 +503,7 @@ def cachedList(
     is specified as a list that is iterated through to lookup keys in the
     original cache. A new tuple consisting of the (deduplicated) keys that weren't in
     the cache gets passed to the original function, which is expected to results
-    in a map of key to value for each passed value. THe new results are stored in the
+    in a map of key to value for each passed value. The new results are stored in the
     original cache. Note that any missing values are cached as None.
 
     Args: