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Transactional isolation for /sync (#2745)

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This should transactional snapshot isolation for `/sync` etc requests.

For now we don't use repeatable read due to some odd test failures with
invites.
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Neil Alexander 2022-09-30 12:48:10 +01:00 • committed by GitHub
parent 8a82f10046
commit 6348486a13
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37 changed files with 1759 additions and 1527 deletions
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20
syncapi/types/provider.go
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@ -41,23 +41,3 @@ func (r *SyncRequest) IsRoomPresent(roomID string) bool {
return false
}
}
type StreamProvider interface {
Setup()
// Advance will update the latest position of the stream based on
// an update and will wake callers waiting on StreamNotifyAfter.
Advance(latest StreamPosition)
// CompleteSync will update the response to include all updates as needed
// for a complete sync. It will always return immediately.
CompleteSync(ctx context.Context, req *SyncRequest) StreamPosition
// IncrementalSync will update the response to include all updates between
// the from and to sync positions. It will always return immediately,
// making no changes if the range contains no updates.
IncrementalSync(ctx context.Context, req *SyncRequest, from, to StreamPosition) StreamPosition
// LatestPosition returns the latest stream position for this stream.
LatestPosition(ctx context.Context) StreamPosition
}