Function backend::service::layer::assert_layer_on_map

source · 
async fn assert_layer_on_map(
    map_id: i32,
    layer_id: Uuid,
    conn: &mut AsyncPgConnection,
) -> Result<(), ServiceError>
Expand description

Helper that returns an error if the given layer is not on the map.

§Errors

If the connection to the database could not be established.