timsaucer commented on code in PR #825:
URL: https://github.com/apache/datafusion-python/pull/825#discussion_r1722545731
##########
src/dataframe.rs:
##########
@@ -451,6 +454,26 @@ impl PyDataFrame {
Ok(table)
}
+ #[allow(unused_variables)]
+ fn __arrow_c_stream__<'py>(
+ &'py mut self,
+ py: Python<'py>,
+ requested_schema: Option<Bound<'py, PyCapsule>>,
+ ) -> PyResult<Bound<'py, PyCapsule>> {
+ let batches = wait_for_future(py, self.df.as_ref().clone().collect())?
+ .into_iter()
+ .map(|r| Ok(r));
Review Comment:
Yeah, I was wondering the same. I think it would mean creating a
`TableProvider` for these, but that's a heavier lift than I wanted to get into
right now.
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