[Spark] Revert "Make all MERGE APIs return a DataFrame instead of Unit" for Delta 3.x #5397
+10
−47
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This reverts commit 4cf685b.
Which Delta project/connector is this regarding?
Description
Revert the breaking API changes from #4460 on this branch, since they aren't supposed to occur on pre-4.0 Delta version.
How was this patch tested?
n/a
Does this PR introduce any user-facing changes?
No.