[SPARK-33806][SQL][FOLLOWUP] Fold RepartitionExpression num partition should check if partition expression is empty#31074

ulysses-you wants to merge 1 commit intoapache:masterapache/spark:masterfrom

ulysses-you:SPARK-33806-FOLLOWUPulysses-you/spark:SPARK-33806-FOLLOWUPCopy head branch name to clipboard