adriangb commented on code in PR #17242:
URL: https://github.com/apache/datafusion/pull/17242#discussion_r2301621010
##########
datafusion/datasource/src/source.rs:
##########
@@ -179,6 +179,10 @@ pub trait DataSource: Send + Sync + Debug {
vec![PushedDown::No; filters.len()],
))
}
+
+ fn as_file_source(&self) -> Option<Arc<dyn FileSource>> {
+ None
+ }
Review Comment:
Right but I wonder if this is the right way to go about that or if whatever
is needing this sort of down casting should be a part of the trait
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