Preserve history visibility in HeaderedReverseTopologicalOrdering
#327
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stateresolutionv2.go
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| @@ -231,13 +231,16 @@ func ReverseTopologicalOrdering(input []*Event, order TopologicalOrder) []*Event | |||
| func HeaderedReverseTopologicalOrdering(events []*HeaderedEvent, order TopologicalOrder) []*HeaderedEvent { | |||
| r := stateResolverV2{} | |||
| input := make([]*Event, len(events)) | |||
| hisVis := make(map[string]HistoryVisibility) | |||
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We know the capacity here ahead of time as len(events) so please give that to make() to reduce the number of allocations.
neilalexander
approved these changes
Aug 1, 2022
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This preserves the history visibility when using
HeaderedReverseTopologicalOrdering, otherwise incremental syncs in Dendrite can't check the visibility of an event.