mailmindlin commented on code in PR #1545:
URL:
https://github.com/apache/datafusion-python/pull/1545#discussion_r3275099994
##########
crates/core/src/codec.rs:
##########
@@ -642,6 +710,186 @@ fn cloudpickle<'py>(py: Python<'py>) ->
PyResult<Bound<'py, PyAny>> {
.map(|cached| cached.bind(py).clone())
}
+//
=============================================================================
+// Shared Python window UDF encode / decode helpers
+//
+// Cloudpickle tuple shape: `(name, evaluator_factory, input_schema_bytes,
+// return_schema_bytes, volatility_str)`. The evaluator factory is the
+// Python callable that produces a new evaluator instance per partition.
+//
=============================================================================
+
+pub(crate) fn try_encode_python_window_udf(node: &WindowUDF, buf: &mut
Vec<u8>) -> Result<bool> {
Review Comment:
Is there a reason why you call these `udaf`/`udwf` some places but all the
methods are `agg_udf`/`window_udf`?
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