xudong963 commented on code in PR #18233:
URL: https://github.com/apache/datafusion/pull/18233#discussion_r2458848721
##########
datafusion/datasource/src/source.rs:
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@@ -151,7 +151,7 @@ pub trait DataSource: Send + Sync + Debug {
fn scheduling_type(&self) -> SchedulingType {
SchedulingType::NonCooperative
}
- fn statistics(&self) -> Result<Statistics>;
+ fn partition_statistics(&self, partition: Option<usize>) ->
Result<Statistics>;
Review Comment:
This is an API changing, I think we should make `statistics` as deprecated,
and add a new partition_statistics API
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