Refactor privilege handling

src/core/protocol/request_response.rs

@@ -36,7 +36,7 @@ pub fn create_client_to_server_message_stream(socket: UnixStream) -> ClientToSer
     tokio_serde::Framed::new(length_delimited, Bincode::default())
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize, Default)]
 pub struct MySQLUser(String);
 
 impl FromStr for MySQLUser {
@@ -79,7 +79,7 @@ impl From<String> for MySQLUser {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize, Default)]
 pub struct MySQLDatabase(String);
 
 impl FromStr for MySQLDatabase {

src/core/protocol/server_responses.rs

@@ -6,11 +6,11 @@ use serde::{Deserialize, Serialize};
 use serde_json::json;
 
 use crate::{
-    core::{common::UnixUser, database_privileges::DatabasePrivilegeRowDiff},
-    server::sql::{
-        database_operations::DatabaseRow, database_privilege_operations::DatabasePrivilegeRow,
-        user_operations::DatabaseUser,
+    core::{
+        common::UnixUser,
+        database_privileges::{DatabasePrivilegeRow, DatabasePrivilegeRowDiff},
     },
+    server::sql::{database_operations::DatabaseRow, user_operations::DatabaseUser},
 };
 
 use super::{MySQLDatabase, MySQLUser};