[SPARK] Refactor: Extract resolveStar from ResolveDeltaMergeInto #5396
+68
−37
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Which Delta project/connector is this regarding?
Description
This PR extracts the star resolution logic (
UPDATE SET *andINSERT *) into a new standalone private methodresolveStarinResolveDeltaMergeInto.This is required for the struct null expansion fix in MERGE.
How was this patch tested?
Existing tests.
Does this PR introduce any user-facing changes?
No.