cpcloud commented on a change in pull request #1699:
URL: https://github.com/apache/arrow-datafusion/pull/1699#discussion_r795037968
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File path: datafusion/src/execution/dataframe_impl.rs
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@@ -62,6 +68,60 @@ impl DataFrameImpl {
}
}
+#[async_trait]
+impl TableProvider for DataFrameImpl {
Review comment:
Can you give an example of what you mean?
It won't be possible to register `Arc<dyn DataFrame>`s directly even if
`DataFrame` has a trait bound of `TableProvider`, because that would require
trait upcasting IIUC, which is still an unstable feature.
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