Fix deadlock in sqlite mode

Caused by starting a writer whilst within a writer
This commit is contained in:
Kegan Dougal 2020-10-20 10:36:12 +01:00
parent 9a76b3764f
commit 0c9765f8d9

View file

@ -70,16 +70,14 @@ func (u *LatestEventsUpdater) CurrentStateSnapshotNID() types.StateSnapshotNID {
return u.currentStateSnapshotNID
}
// StorePreviousEvents implements types.RoomRecentEventsUpdater
// StorePreviousEvents implements types.RoomRecentEventsUpdater - This must be called from a Writer
func (u *LatestEventsUpdater) StorePreviousEvents(eventNID types.EventNID, previousEventReferences []gomatrixserverlib.EventReference) error {
return u.d.Writer.Do(u.d.DB, u.txn, func(txn *sql.Tx) error {
for _, ref := range previousEventReferences {
if err := u.d.PrevEventsTable.InsertPreviousEvent(u.ctx, txn, ref.EventID, ref.EventSHA256, eventNID); err != nil {
return fmt.Errorf("u.d.PrevEventsTable.InsertPreviousEvent: %w", err)
}
for _, ref := range previousEventReferences {
if err := u.d.PrevEventsTable.InsertPreviousEvent(u.ctx, u.txn, ref.EventID, ref.EventSHA256, eventNID); err != nil {
return fmt.Errorf("u.d.PrevEventsTable.InsertPreviousEvent: %w", err)
}
return nil
})
}
return nil
}
// IsReferenced implements types.RoomRecentEventsUpdater