[SPARK-45652][SQL][3.5] SPJ: Handle empty input partitions after dynamic filtering #43540
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This is a cherry-pick of #43531 to branch-3.5, with a few modifications.
What changes were proposed in this pull request?
Handle the case when input partitions become empty after V2 dynamic filtering, when SPJ is enabled.
Why are the changes needed?
Current in the situation when all input partitions are filtered out via dynamic filtering, SPJ doesn't work but instead will panic:
This is because the
groupPartitions
method will returnNone
in this scenario. We should handle the case.Does this PR introduce any user-facing change?
No
How was this patch tested?
Added a test case for this.
Was this patch authored or co-authored using generative AI tooling?
No