pub fn user_function_output_columns(
catalog: &dyn AnalysisCatalog,
resolution: &RelationNameResolution,
name: &str,
) -> Result<Option<Vec<String>>, SQLError>Expand description
Output column names of a user-defined routine used as a FROM source: OUT / INOUT / RETURNS TABLE parameter names. None when the name is not a user routine or its result is a single unnamed column, which keeps the function-name default.