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Update latestPosition when getting reversed room delta (#2860)

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Regression test added in
https://github.com/matrix-org/complement/pull/551
Should fix https://github.com/matrix-org/dendrite/issues/2514?
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Till 2022-11-04 15:39:09 +01:00 committed by GitHub
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commit efe28db631
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3
syncapi/streams/stream_pdu.go
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@ -264,6 +264,9 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
// Work out what the highest stream position is for all of the events in this // Work out what the highest stream position is for all of the events in this
// room that were returned. // room that were returned.
latestPosition := r.To latestPosition := r.To
if r.Backwards {
latestPosition = r.From
}
updateLatestPosition := func(mostRecentEventID string) { updateLatestPosition := func(mostRecentEventID string) {
var pos types.StreamPosition var pos types.StreamPosition
if _, pos, err = snapshot.PositionInTopology(ctx, mostRecentEventID); err == nil { if _, pos, err = snapshot.PositionInTopology(ctx, mostRecentEventID); err == nil {