alamb commented on code in PR #17650:
URL: https://github.com/apache/datafusion/pull/17650#discussion_r2363367266
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datafusion/expr/src/registry.rs:
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@@ -27,9 +27,25 @@ use std::sync::Arc;
/// A registry knows how to build logical expressions out of user-defined
function' names
pub trait FunctionRegistry {
- /// Set of all available udfs.
+ /// Returns names of all available scalar user defined functions.
fn udfs(&self) -> HashSet<String>;
+ /// Returns names of all available aggregate user defined functions.
+ fn udafs(&self) -> HashSet<String> {
+ // This default implementation is provided temporarily
Review Comment:
👍
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