Merge pull request #103 from paritytech/dp-fix-warnings

Fix a few warnings

Author: dvdplm

sqlx-data.json

@@ -334,8 +334,8 @@
       ]
     }
   },
-  "f1a15dd2b69242061774eb65c073174b671182a43ca6839246f5b6e6039ae46b": {
-    "query": "SELECT missing_num\n        FROM (SELECT MAX(block_num) AS max_num FROM blocks) max, \n            GENERATE_SERIES($1, max_num) AS missing_num\n        WHERE\n        NOT EXISTS (SELECT id FROM blocks WHERE block_num = missing_num)\n        ORDER BY missing_num ASC\n        LIMIT $2\n        ",
+  "5f87852941e1c1850206ced095d9f6e66ff7060dad484232bb01955c4159118d": {
+    "query": "SELECT missing_num\n        FROM (SELECT MAX(block_num) AS max_num FROM blocks) max,\n            GENERATE_SERIES($1, max_num) AS missing_num\n        WHERE\n        NOT EXISTS (SELECT id FROM blocks WHERE block_num = missing_num)\n        ORDER BY missing_num ASC\n        LIMIT $2\n        ",
     "describe": {
       "columns": [
         {
@@ -355,4 +355,4 @@
       ]
     }
   }
-}
+}

src/database/listener.rs

@@ -221,12 +221,7 @@ impl Listener {
 mod tests {
     use super::*;
     use futures::{SinkExt, StreamExt};
-    use once_cell::sync::Lazy;
-    use sqlx::{Connection, Executor};
-    use std::sync::{
-        atomic::{AtomicUsize, Ordering},
-        Arc,
-    };
+    use sqlx::Connection;
 
     #[test]
     fn should_get_notifications() {
@@ -235,7 +230,7 @@ mod tests {
         smol::block_on(async move {
             let (tx, mut rx) = futures::channel::mpsc::channel(5);
 
-            let listener = Builder::new(&crate::DATABASE_URL, move |_, _| {
+            let _listener = Builder::new(&crate::DATABASE_URL, move |_, _| {
                 let mut tx1 = tx.clone();
                 async move {
                     log::info!("Hello");

src/database/queries.rs

@@ -67,7 +67,7 @@ pub(crate) async fn missing_blocks_min_max(
     Ok(sqlx::query_as!(
         Series,
         "SELECT missing_num
-        FROM (SELECT MAX(block_num) AS max_num FROM blocks) max, 
+        FROM (SELECT MAX(block_num) AS max_num FROM blocks) max,
             GENERATE_SERIES($1, max_num) AS missing_num
         WHERE
         NOT EXISTS (SELECT id FROM blocks WHERE block_num = missing_num)