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Fix sqlite locking bugs present on sytest (#1543)

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* Fix sqite locking bugs present on sytest

Comments do the explaining.

* Fix deadlock in sqlite mode

Caused by starting a writer whilst within a writer

* Only complain about invalid state deltas for non-overwrite events

* Do not re-process outlier unnecessarily
This commit is contained in:
Kegsay 2020-10-20 11:42:54 +01:00 • committed by GitHub
parent 92982a402f
commit eb86e2b336
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 52 additions and 13 deletions
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14
roomserver/storage/shared/latest_events_updater.go
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@ -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