fn build_range_cache_key_inner(
stream_ctx: &StreamContext,
part_range: &PartitionRange,
stage: Option<RangeScanStage>,
) -> Option<RangeScanCacheKey>fn build_range_cache_key_inner(
stream_ctx: &StreamContext,
part_range: &PartitionRange,
stage: Option<RangeScanStage>,
) -> Option<RangeScanCacheKey>