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Diffstat (limited to 'roomserver/storage/tables/interface.go')
| -rw-r--r-- | roomserver/storage/tables/interface.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/roomserver/storage/tables/interface.go b/roomserver/storage/tables/interface.go index d228257b..58c43ac4 100644 --- a/roomserver/storage/tables/interface.go +++ b/roomserver/storage/tables/interface.go @@ -3,12 +3,15 @@ package tables import ( "context" "database/sql" + "errors" "github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/gomatrixserverlib" "github.com/tidwall/gjson" ) +var OptimisationNotSupportedError = errors.New("optimisation not supported") + type EventJSONPair struct { EventNID types.EventNID EventJSON []byte @@ -80,6 +83,10 @@ type Rooms interface { type StateSnapshot interface { InsertState(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, stateBlockNIDs types.StateBlockNIDs) (stateNID types.StateSnapshotNID, err error) BulkSelectStateBlockNIDs(ctx context.Context, txn *sql.Tx, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error) + // BulkSelectStateForHistoryVisibility is a PostgreSQL-only optimisation for finding + // which users are in a room faster than having to load the entire room state. In the + // case of SQLite, this will return tables.OptimisationNotSupportedError. + BulkSelectStateForHistoryVisibility(ctx context.Context, txn *sql.Tx, stateSnapshotNID types.StateSnapshotNID, domain string) ([]types.EventNID, error) } type StateBlock interface { |