findepi commented on code in PR #17872:
URL: https://github.com/apache/datafusion/pull/17872#discussion_r2404131731
##########
datafusion/expr/src/async_udf.rs:
##########
@@ -132,3 +128,128 @@ impl Display for AsyncScalarUDF {
write!(f, "AsyncScalarUDF: {}", self.inner.name())
}
}
+
+#[cfg(test)]
+mod tests {
+ use std::{collections::HashSet, sync::Arc};
+
+ use arrow::datatypes::DataType;
+ use async_trait::async_trait;
+ use datafusion_common::error::Result;
+ use datafusion_expr_common::{columnar_value::ColumnarValue,
signature::Signature};
+
+ use crate::{
+ async_udf::{AsyncScalarUDF, AsyncScalarUDFImpl},
+ ScalarFunctionArgs, ScalarUDFImpl,
+ };
+
+ #[derive(Debug, PartialEq, Eq, Hash, Clone)]
+ struct TestAsyncUDFImpl1 {
+ a: i32,
+ }
+
+ impl ScalarUDFImpl for TestAsyncUDFImpl1 {
+ fn as_any(&self) -> &dyn std::any::Any {
+ self
+ }
+
+ fn name(&self) -> &str {
+ todo!()
+ }
+
+ fn signature(&self) -> &Signature {
+ todo!()
+ }
+
+ fn return_type(&self, _arg_types: &[DataType]) -> Result<DataType> {
+ todo!()
+ }
+
+ fn invoke_with_args(&self, _args: ScalarFunctionArgs) ->
Result<ColumnarValue> {
+ todo!()
+ }
+ }
+
+ #[async_trait]
+ impl AsyncScalarUDFImpl for TestAsyncUDFImpl1 {
+ async fn invoke_async_with_args(
+ &self,
+ _args: ScalarFunctionArgs,
+ ) -> Result<ColumnarValue> {
+ todo!()
+ }
+ }
+
+ #[derive(Debug, PartialEq, Eq, Hash, Clone)]
+ struct TestAsyncUDFImpl2 {
+ a: i32,
+ }
+
+ impl ScalarUDFImpl for TestAsyncUDFImpl2 {
+ fn as_any(&self) -> &dyn std::any::Any {
+ self
+ }
+
+ fn name(&self) -> &str {
+ todo!()
+ }
+
+ fn signature(&self) -> &Signature {
+ todo!()
+ }
+
+ fn return_type(&self, _arg_types: &[DataType]) -> Result<DataType> {
+ todo!()
+ }
+
+ fn invoke_with_args(&self, _args: ScalarFunctionArgs) ->
Result<ColumnarValue> {
+ todo!()
+ }
+ }
+
+ #[async_trait]
+ impl AsyncScalarUDFImpl for TestAsyncUDFImpl2 {
+ async fn invoke_async_with_args(
+ &self,
+ _args: ScalarFunctionArgs,
+ ) -> Result<ColumnarValue> {
+ todo!()
+ }
+ }
+
+ #[test]
+ fn udf_equality_and_hash() {
Review Comment:
No, let's not add it here.
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