Method has_change_in_graph

atomic-core/src/pristine/txn/read.rs:316–325

(&self, change_id: NodeId)

    }

    fn has_change_in_graph(&self, change_id: NodeId) -> PristineResult<bool> {
        let table = self.txn.open_multimap_table(GRAPH)?;
        let start_key = encode_vertex(change_id.get(), 0, 0);
        let end_key = encode_vertex(change_id.get(), u64::MAX, u64::MAX);
        let has = table
            .range::<&[u8; 24]>(&start_key..=&end_key)?
            .next()
            .is_some();
        Ok(has)
    }
}

// ViewTxnT Implementation