ding-young commented on code in PR #14086:
URL: https://github.com/apache/datafusion/pull/14086#discussion_r1916385694
##########
datafusion/macros/src/user_doc.rs:
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@@ -24,11 +25,12 @@ use syn::{parse_macro_input, DeriveInput, LitStr};
/// from it by constructing a `DocumentBuilder()` automatically. The
`Documentation` can be
/// retrieved from the `documentation()` method
/// declared on `AggregateUDF`, `WindowUDFImpl`, `ScalarUDFImpl` traits.
-///
+/// For `doc_section`, this macro will try to find corresponding predefined
`DocSection` by label field
+/// Predefined `DocSection` can be found in datafusion/expr/src/udf.rs
Review Comment:
also documented here
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