Function validate_unique_primitive_keys

datafusion/functions-nested/src/map.rs:109–126

(array: &dyn Array)

}

fn validate_unique_primitive_keys<T: ArrowPrimitiveType>(array: &dyn Array) -> Result<()>
where
    T::Native: Copy + Eq + Hash + std::fmt::Display,
{
    let primitive_array = array.as_primitive::<T>();
    if primitive_array.null_count() > 0 {
        return exec_err!("map key cannot be null");
    }

    if let Some(value) = find_duplicate_value(
        primitive_array.len(),
        primitive_array.values().iter().copied(),
    ) {
        return exec_err!("map key must be unique, duplicate key found: {}", value);
    }

    Ok(())
}

fn validate_unique_str_keys<'a>(
    null_count: usize,