Revert "Refactor recursive code so we can wrap just the redaction part"

This reverts commit 477fad64b8795683063803b5e532520744acb34d.

1 files changed, 6 insertions, 15 deletions

diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index 0a19d1fbd3..e9ff6cfb34 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -54,7 +54,6 @@ from synapse.logging.context import (
     current_context,
     make_deferred_yieldable,
 )
-from synapse.logging.opentracing import start_active_span, tag_args, trace
 from synapse.metrics.background_process_metrics import (
     run_as_background_process,
     wrap_as_background_process,
@@ -431,8 +430,6 @@ class EventsWorkerStore(SQLBaseStore):
 
         return {e.event_id: e for e in events}
 
-    @trace
-    @tag_args
     async def get_events_as_list(
         self,
         event_ids: Collection[str],
@@ -1093,11 +1090,15 @@ class EventsWorkerStore(SQLBaseStore):
         """
         fetched_event_ids: Set[str] = set()
         fetched_events: Dict[str, _EventRow] = {}
+        events_to_fetch = event_ids
+
+        while events_to_fetch:
+            row_map = await self._enqueue_events(events_to_fetch)
 
-        async def _recursively_fetch_redactions(row_map: Dict[str, _EventRow]) -> None:
             # we need to recursively fetch any redactions of those events
             redaction_ids: Set[str] = set()
-            for event_id, row in row_map.items():
+            for event_id in events_to_fetch:
+                row = row_map.get(event_id)
                 fetched_event_ids.add(event_id)
                 if row:
                     fetched_events[event_id] = row
@@ -1106,14 +1107,6 @@ class EventsWorkerStore(SQLBaseStore):
             events_to_fetch = redaction_ids.difference(fetched_event_ids)
             if events_to_fetch:
                 logger.debug("Also fetching redaction events %s", events_to_fetch)
-                row_map = await self._enqueue_events(events_to_fetch)
-                await _recursively_fetch_redactions(row_map)
-
-        events_to_fetch = event_ids
-        row_map = await self._enqueue_events(events_to_fetch)
-
-        with start_active_span("recursively fetching redactions"):
-            await _recursively_fetch_redactions(row_map)
 
         # build a map from event_id to EventBase
         event_map: Dict[str, EventBase] = {}
@@ -1431,8 +1424,6 @@ class EventsWorkerStore(SQLBaseStore):
 
         return {r["event_id"] for r in rows}
 
-    @trace
-    @tag_args
     async def have_seen_events(
         self, room_id: str, event_ids: Iterable[str]
     ) -> Set[str]: