From 567f88f835a55d2241cc129ac44b8b0dcedfa6e2 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com> Date: Wed, 17 Mar 2021 12:33:18 +0000 Subject: Prep work for removing `outlier` from `internal_metadata` (#9411) * Populate `internal_metadata.outlier` based on `events` table Rather than relying on `outlier` being in the `internal_metadata` column, populate it based on the `events.outlier` column. * Move `outlier` out of InternalMetadata._dict Ultimately, this will allow us to stop writing it to the database. For now, we have to grandfather it back in so as to maintain compatibility with older versions of Synapse. --- synapse/storage/databases/main/events.py | 19 +++++++++++++++++-- synapse/storage/databases/main/events_worker.py | 5 ++++- 2 files changed, 21 insertions(+), 3 deletions(-) (limited to 'synapse/storage/databases') diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py index cd1ceac50e..98dac19a95 100644 --- a/synapse/storage/databases/main/events.py +++ b/synapse/storage/databases/main/events.py @@ -1270,8 +1270,10 @@ class PersistEventsStore: logger.exception("") raise + # update the stored internal_metadata to update the "outlier" flag. + # TODO: This is unused as of Synapse 1.31. Remove it once we are happy + # to drop backwards-compatibility with 1.30. metadata_json = json_encoder.encode(event.internal_metadata.get_dict()) - sql = "UPDATE event_json SET internal_metadata = ? WHERE event_id = ?" txn.execute(sql, (metadata_json, event.event_id)) @@ -1319,6 +1321,19 @@ class PersistEventsStore: d.pop("redacted_because", None) return d + def get_internal_metadata(event): + im = event.internal_metadata.get_dict() + + # temporary hack for database compatibility with Synapse 1.30 and earlier: + # store the `outlier` flag inside the internal_metadata json as well as in + # the `events` table, so that if anyone rolls back to an older Synapse, + # things keep working. This can be removed once we are happy to drop support + # for that + if event.internal_metadata.is_outlier(): + im["outlier"] = True + + return im + self.db_pool.simple_insert_many_txn( txn, table="event_json", @@ -1327,7 +1342,7 @@ class PersistEventsStore: "event_id": event.event_id, "room_id": event.room_id, "internal_metadata": json_encoder.encode( - event.internal_metadata.get_dict() + get_internal_metadata(event) ), "json": json_encoder.encode(event_dict(event)), "format_version": event.format_version, diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py index c04e162ccc..952d4969b2 100644 --- a/synapse/storage/databases/main/events_worker.py +++ b/synapse/storage/databases/main/events_worker.py @@ -799,6 +799,7 @@ class EventsWorkerStore(SQLBaseStore): rejected_reason=rejected_reason, ) original_ev.internal_metadata.stream_ordering = row["stream_ordering"] + original_ev.internal_metadata.outlier = row["outlier"] event_map[event_id] = original_ev @@ -905,7 +906,8 @@ class EventsWorkerStore(SQLBaseStore): ej.json, ej.format_version, r.room_version, - rej.reason + rej.reason, + e.outlier FROM events AS e JOIN event_json AS ej USING (event_id) LEFT JOIN rooms r ON r.room_id = e.room_id @@ -929,6 +931,7 @@ class EventsWorkerStore(SQLBaseStore): "room_version_id": row[5], "rejected_reason": row[6], "redactions": [], + "outlier": row[7], } # check for redactions -- cgit 1.4.1