Function mentat_query_pull::pull_attributes_for_entities

pub fn pull_attributes_for_entities<E, A>(
    schema: &Schema, 
    db: &Connection, 
    entities: E, 
    attributes: A
) -> Result<BTreeMap<Entid, ValueRc<StructuredMap>>> where
    E: IntoIterator<Item = Entid>,
    A: IntoIterator<Item = Entid>,