[SPARK-49460][SQL] Followup: fix potential NPE risk #48191
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What changes were proposed in this pull request?
Fixed potential NPE risk in
EmptyRelationExec.logicalWhy are the changes needed?
This is a follow up for #47931, I've checked other callsites of
EmptyRelationExec.logical, which we can not assure it's driver-only. So we should fix those potential risks.Does this PR introduce any user-facing change?
NO
How was this patch tested?
Existing UT
Was this patch authored or co-authored using generative AI tooling?
NO