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Optimize history visibility checks (#2848)

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This optimizes history visibility checks by (mostly) avoiding database
hits.
Possibly solves https://github.com/matrix-org/dendrite/issues/2777

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
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Till 2022-11-01 16:07:17 +01:00 • committed by GitHub
parent 0b21cb78aa
commit 2acc1d65fb
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9 changed files with 181 additions and 36 deletions
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roomserver/storage/tables/interface.go
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@ -44,6 +44,7 @@ type Events interface {
referenceSHA256 []byte, authEventNIDs []types.EventNID, depth int64, isRejected bool,
) (types.EventNID, types.StateSnapshotNID, error)
SelectEvent(ctx context.Context, txn *sql.Tx, eventID string) (types.EventNID, types.StateSnapshotNID, error)
BulkSelectSnapshotsFromEventIDs(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[types.StateSnapshotNID][]string, error)
// bulkSelectStateEventByID lookups a list of state events by event ID.
// If any of the requested events are missing from the database it returns a types.MissingEventError
BulkSelectStateEventByID(ctx context.Context, txn *sql.Tx, eventIDs []string, excludeRejected bool) ([]types.StateEntry, error)