Report Query times (#166)

* Report avg and total query timing

* Report query times

* fmt

src/client.rs

@@ -2,6 +2,7 @@
 use bytes::{Buf, BufMut, BytesMut};
 use log::{debug, error, info, trace};
 use std::collections::HashMap;
+use std::time::Instant;
 use tokio::io::{split, AsyncReadExt, BufReader, ReadHalf, WriteHalf};
 use tokio::net::TcpStream;
 use tokio::sync::broadcast::Receiver;
@@ -994,6 +995,7 @@ where
         self.send_server_message(server, message, &address, &pool)
             .await?;
 
+        let query_start = Instant::now();
         // Read all data the server has to offer, which can be multiple messages
         // buffered in 8196 bytes chunks.
         loop {
@@ -1013,7 +1015,11 @@ where
         }
 
         // Report query executed statistics.
-        self.stats.query(self.process_id, server.server_id());
+        self.stats.query(
+            self.process_id,
+            server.server_id(),
+            Instant::now().duration_since(query_start).as_millis(),
+        );
 
         Ok(())
     }