fn build_dictionary_array()

in crates/core/src/avro_to_arrow/arrow_array_reader.rs [376:395]

• 20 lines of code
• 4 McCabe index (conditional complexity)

    fn build_dictionary_array<T>(&self, rows: RecordSlice, col_name: &str) -> ArrowResult<ArrayRef>
    where
        T::Native: NumCast,
        T: ArrowPrimitiveType + ArrowDictionaryKeyType,
    {
        let mut builder: StringDictionaryBuilder<T> =
            self.build_string_dictionary_builder(rows.len());
        for row in rows {
            if let Some(value) = self.field_lookup(col_name, row) {
                if let Ok(Some(str_v)) = resolve_string(value) {
                    builder.append(str_v).map(drop)?
                } else {
                    builder.append_null()
                }
            } else {
                builder.append_null()
            }
        }
        Ok(Arc::new(builder.finish()) as ArrayRef)
    }