[Spark] Some refactoring to clean up OptimisticTransaction #4735
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Which Delta project/connector is this regarding?
Description
This PR does the following:
needsCheckpoint
is set.var
s inDeltaTransaction
trait.DeltaTransaction
will be renamed later and become a helper trait to contains miscellaneous stuff, moving some coordinated commits helper methods to there now.How was this patch tested?
Existing UTs
Does this PR introduce any user-facing changes?
No