fn do_drift_quant(
index: &dyn TemporalIndexAccess,
entity_id: u64,
t1: i64,
t2: i64,
top_n: usize,
) -> Result<QueryResult, QueryError>fn do_drift_quant(
index: &dyn TemporalIndexAccess,
entity_id: u64,
t1: i64,
t2: i64,
top_n: usize,
) -> Result<QueryResult, QueryError>