From 2897fb6b4fb8bdaea0e919233d5ccaf5dea12742 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Wed, 26 Jan 2022 08:27:04 -0500 Subject: Improvements to bundling aggregations. (#11815) This is some odds and ends found during the review of #11791 and while continuing to work in this code: * Return attrs classes instead of dictionaries from some methods to improve type safety. * Call `get_bundled_aggregations` fewer times. * Adds a missing assertion in the tests. * Do not return empty bundled aggregations for an event (preferring to not include the bundle at all, as the docstring states). --- synapse/storage/databases/main/stream.py | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) (limited to 'synapse/storage/databases/main/stream.py') diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py index 319464b1fa..a898f847e7 100644 --- a/synapse/storage/databases/main/stream.py +++ b/synapse/storage/databases/main/stream.py @@ -81,6 +81,14 @@ class _EventDictReturn: stream_ordering: int +@attr.s(slots=True, frozen=True, auto_attribs=True) +class _EventsAround: + events_before: List[EventBase] + events_after: List[EventBase] + start: RoomStreamToken + end: RoomStreamToken + + def generate_pagination_where_clause( direction: str, column_names: Tuple[str, str], @@ -846,7 +854,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): before_limit: int, after_limit: int, event_filter: Optional[Filter] = None, - ) -> dict: + ) -> _EventsAround: """Retrieve events and pagination tokens around a given event in a room. """ @@ -869,12 +877,12 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): list(results["after"]["event_ids"]), get_prev_content=True ) - return { - "events_before": events_before, - "events_after": events_after, - "start": results["before"]["token"], - "end": results["after"]["token"], - } + return _EventsAround( + events_before=events_before, + events_after=events_after, + start=results["before"]["token"], + end=results["after"]["token"], + ) def _get_events_around_txn( self, -- cgit 1.5.1