[SPARK-38085][SQL] DS V2: Handle DELETE commands for group-based sources #36149
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What changes were proposed in this pull request?
This PR contains changes to rewrite DELETE operations for V2 data sources that can replace groups of data (e.g. files, partitions).
Why are the changes needed?
These changes are needed to support row-level operations in Spark per SPIP SPARK-35801.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
This PR comes with tests.