Function get_first_array_ref

datafusion/functions-nested/src/map.rs:230–240

(columnar_value: &ColumnarValue)

}

fn get_first_array_ref(columnar_value: &ColumnarValue) -> Result<ArrayRef> {
    match columnar_value {
        ColumnarValue::Scalar(value) => match value {
            ScalarValue::List(array) => Ok(array.value(0)),
            ScalarValue::LargeList(array) => Ok(array.value(0)),
            ScalarValue::FixedSizeList(array) => Ok(array.value(0)),
            _ => exec_err!("Expected array, got {}", value),
        },
        ColumnarValue::Array(array) => Ok(array.to_owned()),
    }
}

fn make_map_batch_internal(
    keys: &ArrayRef,