alamb commented on code in PR #13047:
URL: https://github.com/apache/datafusion/pull/13047#discussion_r1811265517
##########
datafusion/functions-nested/src/map.rs:
##########
@@ -238,7 +241,50 @@ impl ScalarUDFImpl for MapFunc {
fn invoke(&self, args: &[ColumnarValue]) -> Result<ColumnarValue> {
make_map_batch(args)
}
+
+ fn documentation(&self) -> Option<&Documentation> {
+ Some(get_map_doc())
+ }
}
+
+static DOCUMENTATION: OnceLock<Documentation> = OnceLock::new();
+
+fn get_map_doc() -> &'static Documentation {
+ DOCUMENTATION.get_or_init(|| {
+ Documentation::builder()
+ .with_doc_section(DOC_SECTION_SPECIAL)
Review Comment:
I think I am missing something -- it seems like the `map` function should be
in a "Map Functions" section to follow the existing documentation:
https://datafusion.apache.org/user-guide/sql/scalar_functions.html#map-functions
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