diff --git a/sea-orm-codegen/src/entity/writer.rs b/sea-orm-codegen/src/entity/writer.rs
index dc45cab0..60a01eeb 100644
--- a/sea-orm-codegen/src/entity/writer.rs
+++ b/sea-orm-codegen/src/entity/writer.rs
@@ -113,11 +113,7 @@ impl EntityWriter {
     pub fn write_mod(&self) -> OutputFile {
         let mut lines = Vec::new();
         Self::write_doc_comment(&mut lines);
-        let code_blocks: Vec<TokenStream> = self
-            .entities
-            .iter()
-            .map(Self::gen_mod)
-            .collect();
+        let code_blocks: Vec<TokenStream> = self.entities.iter().map(Self::gen_mod).collect();
         Self::write(
             &mut lines,
             vec![quote! {
@@ -143,11 +139,7 @@ impl EntityWriter {
     pub fn write_prelude(&self) -> OutputFile {
         let mut lines = Vec::new();
         Self::write_doc_comment(&mut lines);
-        let code_blocks = self
-            .entities
-            .iter()
-            .map(Self::gen_prelude_use)
-            .collect();
+        let code_blocks = self.entities.iter().map(Self::gen_prelude_use).collect();
         Self::write(&mut lines, code_blocks);
         OutputFile {
             name: "prelude.rs".to_owned(),
diff --git a/src/database/db_connection.rs b/src/database/db_connection.rs
index 24b30e9c..f4f91bcf 100644
--- a/src/database/db_connection.rs
+++ b/src/database/db_connection.rs
@@ -3,8 +3,8 @@ use crate::{
     StatementBuilder, TransactionError,
 };
 use sea_query::{MysqlQueryBuilder, PostgresQueryBuilder, QueryBuilder, SqliteQueryBuilder};
-use tracing::instrument;
 use std::{future::Future, pin::Pin};
+use tracing::instrument;
 use url::Url;
 
 #[cfg(feature = "sqlx-dep")]
@@ -255,10 +255,14 @@ impl DatabaseConnection {
             #[cfg(feature = "sqlx-mysql")]
             DatabaseConnection::SqlxMySqlPoolConnection(conn) => conn.set_metric_callback(callback),
             #[cfg(feature = "sqlx-postgres")]
-            DatabaseConnection::SqlxPostgresPoolConnection(conn) => conn.set_metric_callback(callback),
+            DatabaseConnection::SqlxPostgresPoolConnection(conn) => {
+                conn.set_metric_callback(callback)
+            }
             #[cfg(feature = "sqlx-sqlite")]
-            DatabaseConnection::SqlxSqlitePoolConnection(conn) => conn.set_metric_callback(callback),
-            _ => {},
+            DatabaseConnection::SqlxSqlitePoolConnection(conn) => {
+                conn.set_metric_callback(callback)
+            }
+            _ => {}
         }
     }
 }
diff --git a/src/database/mock.rs b/src/database/mock.rs
index b3ae74fc..844fcbd9 100644
--- a/src/database/mock.rs
+++ b/src/database/mock.rs
@@ -4,8 +4,8 @@ use crate::{
     Statement,
 };
 use sea_query::{Value, ValueType, Values};
-use tracing::instrument;
 use std::{collections::BTreeMap, sync::Arc};
+use tracing::instrument;
 
 /// Defines a Mock database suitable for testing
 #[derive(Debug)]
diff --git a/src/database/stream/query.rs b/src/database/stream/query.rs
index f967268b..232d69fe 100644
--- a/src/database/stream/query.rs
+++ b/src/database/stream/query.rs
@@ -28,29 +28,77 @@ pub struct QueryStream {
 }
 
 #[cfg(feature = "sqlx-mysql")]
-impl From<(PoolConnection<sqlx::MySql>, Statement, Option<crate::metric::Callback>)> for QueryStream {
-    fn from((conn, stmt, metric_callback): (PoolConnection<sqlx::MySql>, Statement, Option<crate::metric::Callback>)) -> Self {
+impl
+    From<(
+        PoolConnection<sqlx::MySql>,
+        Statement,
+        Option<crate::metric::Callback>,
+    )> for QueryStream
+{
+    fn from(
+        (conn, stmt, metric_callback): (
+            PoolConnection<sqlx::MySql>,
+            Statement,
+            Option<crate::metric::Callback>,
+        ),
+    ) -> Self {
         QueryStream::build(stmt, InnerConnection::MySql(conn), metric_callback)
     }
 }
 
 #[cfg(feature = "sqlx-postgres")]
-impl From<(PoolConnection<sqlx::Postgres>, Statement, Option<crate::metric::Callback>)> for QueryStream {
-    fn from((conn, stmt, metric_callback): (PoolConnection<sqlx::Postgres>, Statement, Option<crate::metric::Callback>)) -> Self {
+impl
+    From<(
+        PoolConnection<sqlx::Postgres>,
+        Statement,
+        Option<crate::metric::Callback>,
+    )> for QueryStream
+{
+    fn from(
+        (conn, stmt, metric_callback): (
+            PoolConnection<sqlx::Postgres>,
+            Statement,
+            Option<crate::metric::Callback>,
+        ),
+    ) -> Self {
         QueryStream::build(stmt, InnerConnection::Postgres(conn), metric_callback)
     }
 }
 
 #[cfg(feature = "sqlx-sqlite")]
-impl From<(PoolConnection<sqlx::Sqlite>, Statement, Option<crate::metric::Callback>)> for QueryStream {
-    fn from((conn, stmt, metric_callback): (PoolConnection<sqlx::Sqlite>, Statement, Option<crate::metric::Callback>)) -> Self {
+impl
+    From<(
+        PoolConnection<sqlx::Sqlite>,
+        Statement,
+        Option<crate::metric::Callback>,
+    )> for QueryStream
+{
+    fn from(
+        (conn, stmt, metric_callback): (
+            PoolConnection<sqlx::Sqlite>,
+            Statement,
+            Option<crate::metric::Callback>,
+        ),
+    ) -> Self {
         QueryStream::build(stmt, InnerConnection::Sqlite(conn), metric_callback)
     }
 }
 
 #[cfg(feature = "mock")]
-impl From<(Arc<crate::MockDatabaseConnection>, Statement, Option<crate::metric::Callback>)> for QueryStream {
-    fn from((conn, stmt, metric_callback): (Arc<crate::MockDatabaseConnection>, Statement, Option<crate::metric::Callback>)) -> Self {
+impl
+    From<(
+        Arc<crate::MockDatabaseConnection>,
+        Statement,
+        Option<crate::metric::Callback>,
+    )> for QueryStream
+{
+    fn from(
+        (conn, stmt, metric_callback): (
+            Arc<crate::MockDatabaseConnection>,
+            Statement,
+            Option<crate::metric::Callback>,
+        ),
+    ) -> Self {
         QueryStream::build(stmt, InnerConnection::Mock(conn), metric_callback)
     }
 }
@@ -63,50 +111,52 @@ impl std::fmt::Debug for QueryStream {
 
 impl QueryStream {
     #[instrument(level = "trace", skip(metric_callback))]
-    fn build(stmt: Statement, conn: InnerConnection, metric_callback: Option<crate::metric::Callback>) -> QueryStream {
+    fn build(
+        stmt: Statement,
+        conn: InnerConnection,
+        metric_callback: Option<crate::metric::Callback>,
+    ) -> QueryStream {
         QueryStreamBuilder {
             stmt,
             conn,
             metric_callback,
-            stream_builder: |conn, stmt, metric_callback| {
-                match conn {
-                    #[cfg(feature = "sqlx-mysql")]
-                    InnerConnection::MySql(c) => {
-                        let query = crate::driver::sqlx_mysql::sqlx_query(stmt);
-                        crate::metric::metric_ok!(metric_callback, stmt, {
-                            Box::pin(
-                                c.fetch(query)
-                                    .map_ok(Into::into)
-                                    .map_err(crate::sqlx_error_to_query_err),
-                            )
-                        })
-                    }
-                    #[cfg(feature = "sqlx-postgres")]
-                    InnerConnection::Postgres(c) => {
-                        let query = crate::driver::sqlx_postgres::sqlx_query(stmt);
-                        crate::metric::metric_ok!(metric_callback, stmt, {
-                            Box::pin(
-                                c.fetch(query)
-                                    .map_ok(Into::into)
-                                    .map_err(crate::sqlx_error_to_query_err),
-                            )
-                        })
-                    }
-                    #[cfg(feature = "sqlx-sqlite")]
-                    InnerConnection::Sqlite(c) => {
-                        let query = crate::driver::sqlx_sqlite::sqlx_query(stmt);
-                        crate::metric::metric_ok!(metric_callback, stmt, {
-                            Box::pin(
-                                c.fetch(query)
-                                    .map_ok(Into::into)
-                                    .map_err(crate::sqlx_error_to_query_err),
-                            )
-                        })
-                    }
-                    #[cfg(feature = "mock")]
-                    InnerConnection::Mock(c) => c.fetch(stmt),
+            stream_builder: |conn, stmt, metric_callback| match conn {
+                #[cfg(feature = "sqlx-mysql")]
+                InnerConnection::MySql(c) => {
+                    let query = crate::driver::sqlx_mysql::sqlx_query(stmt);
+                    crate::metric::metric_ok!(metric_callback, stmt, {
+                        Box::pin(
+                            c.fetch(query)
+                                .map_ok(Into::into)
+                                .map_err(crate::sqlx_error_to_query_err),
+                        )
+                    })
                 }
-            }
+                #[cfg(feature = "sqlx-postgres")]
+                InnerConnection::Postgres(c) => {
+                    let query = crate::driver::sqlx_postgres::sqlx_query(stmt);
+                    crate::metric::metric_ok!(metric_callback, stmt, {
+                        Box::pin(
+                            c.fetch(query)
+                                .map_ok(Into::into)
+                                .map_err(crate::sqlx_error_to_query_err),
+                        )
+                    })
+                }
+                #[cfg(feature = "sqlx-sqlite")]
+                InnerConnection::Sqlite(c) => {
+                    let query = crate::driver::sqlx_sqlite::sqlx_query(stmt);
+                    crate::metric::metric_ok!(metric_callback, stmt, {
+                        Box::pin(
+                            c.fetch(query)
+                                .map_ok(Into::into)
+                                .map_err(crate::sqlx_error_to_query_err),
+                        )
+                    })
+                }
+                #[cfg(feature = "mock")]
+                InnerConnection::Mock(c) => c.fetch(stmt),
+            },
         }
         .build()
     }
diff --git a/src/database/stream/transaction.rs b/src/database/stream/transaction.rs
index 1995e0b4..01b462d3 100644
--- a/src/database/stream/transaction.rs
+++ b/src/database/stream/transaction.rs
@@ -55,7 +55,8 @@ impl<'a> TransactionStream<'a> {
                                     c.fetch(query)
                                         .map_ok(Into::into)
                                         .map_err(crate::sqlx_error_to_query_err),
-                                ) as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
+                                )
+                                    as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
                             })
                         }
                         #[cfg(feature = "sqlx-postgres")]
@@ -66,7 +67,8 @@ impl<'a> TransactionStream<'a> {
                                     c.fetch(query)
                                         .map_ok(Into::into)
                                         .map_err(crate::sqlx_error_to_query_err),
-                                ) as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
+                                )
+                                    as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
                             })
                         }
                         #[cfg(feature = "sqlx-sqlite")]
@@ -77,7 +79,8 @@ impl<'a> TransactionStream<'a> {
                                     c.fetch(query)
                                         .map_ok(Into::into)
                                         .map_err(crate::sqlx_error_to_query_err),
-                                ) as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
+                                )
+                                    as Pin<Box<dyn Stream<Item = Result<QueryResult, DbErr>>>>
                             })
                         }
                         #[cfg(feature = "mock")]
diff --git a/src/database/transaction.rs b/src/database/transaction.rs
index 790483b4..e1f85536 100644
--- a/src/database/transaction.rs
+++ b/src/database/transaction.rs
@@ -7,8 +7,8 @@ use crate::{sqlx_error_to_exec_err, sqlx_error_to_query_err};
 use futures::lock::Mutex;
 #[cfg(feature = "sqlx-dep")]
 use sqlx::{pool::PoolConnection, TransactionManager};
-use tracing::instrument;
 use std::{future::Future, pin::Pin, sync::Arc};
+use tracing::instrument;
 
 // a Transaction is just a sugar for a connection where START TRANSACTION has been executed
 /// Defines a database transaction, whether it is an open transaction and the type of
@@ -76,7 +76,8 @@ impl DatabaseTransaction {
             Arc::new(Mutex::new(InnerConnection::Mock(inner))),
             backend,
             metric_callback,
-        ).await
+        )
+        .await
     }
 
     #[instrument(level = "trace", skip(metric_callback))]
@@ -354,9 +355,14 @@ impl<'a> ConnectionTrait<'a> for DatabaseTransaction {
         &'a self,
         stmt: Statement,
     ) -> Pin<Box<dyn Future<Output = Result<Self::Stream, DbErr>> + 'a>> {
-        Box::pin(
-            async move { Ok(crate::TransactionStream::build(self.conn.lock().await, stmt, self.metric_callback.clone()).await) },
-        )
+        Box::pin(async move {
+            Ok(crate::TransactionStream::build(
+                self.conn.lock().await,
+                stmt,
+                self.metric_callback.clone(),
+            )
+            .await)
+        })
     }
 
     #[instrument(level = "trace")]
@@ -364,8 +370,9 @@ impl<'a> ConnectionTrait<'a> for DatabaseTransaction {
         DatabaseTransaction::begin(
             Arc::clone(&self.conn),
             self.backend,
-            self.metric_callback.clone()
-        ).await
+            self.metric_callback.clone(),
+        )
+        .await
     }
 
     /// Execute the function inside a transaction.
diff --git a/src/driver/mock.rs b/src/driver/mock.rs
index 12f3cc5c..cfdd22c5 100644
--- a/src/driver/mock.rs
+++ b/src/driver/mock.rs
@@ -3,7 +3,6 @@ use crate::{
     Statement, Transaction,
 };
 use futures::Stream;
-use tracing::instrument;
 use std::{
     fmt::Debug,
     pin::Pin,
@@ -12,6 +11,7 @@ use std::{
         Arc, Mutex,
     },
 };
+use tracing::instrument;
 
 /// Defines a database driver for the [MockDatabase]
 #[derive(Debug)]
diff --git a/src/driver/sqlx_mysql.rs b/src/driver/sqlx_mysql.rs
index e818a6c4..5a3c0562 100644
--- a/src/driver/sqlx_mysql.rs
+++ b/src/driver/sqlx_mysql.rs
@@ -52,7 +52,10 @@ impl SqlxMySqlConnector {
         }
         match options.pool_options().connect_with(opt).await {
             Ok(pool) => Ok(DatabaseConnection::SqlxMySqlPoolConnection(
-                SqlxMySqlPoolConnection { pool, metric_callback: None },
+                SqlxMySqlPoolConnection {
+                    pool,
+                    metric_callback: None,
+                },
             )),
             Err(e) => Err(sqlx_error_to_conn_err(e)),
         }
@@ -62,7 +65,10 @@ impl SqlxMySqlConnector {
 impl SqlxMySqlConnector {
     /// Instantiate a sqlx pool connection to a [DatabaseConnection]
     pub fn from_sqlx_mysql_pool(pool: MySqlPool) -> DatabaseConnection {
-        DatabaseConnection::SqlxMySqlPoolConnection(SqlxMySqlPoolConnection { pool, metric_callback: None })
+        DatabaseConnection::SqlxMySqlPoolConnection(SqlxMySqlPoolConnection {
+            pool,
+            metric_callback: None,
+        })
     }
 }
 
@@ -136,7 +142,11 @@ impl SqlxMySqlPoolConnection {
         debug_print!("{}", stmt);
 
         if let Ok(conn) = self.pool.acquire().await {
-            Ok(QueryStream::from((conn, stmt, self.metric_callback.clone())))
+            Ok(QueryStream::from((
+                conn,
+                stmt,
+                self.metric_callback.clone(),
+            )))
         } else {
             Err(DbErr::Query(
                 "Failed to acquire connection from pool.".to_owned(),
diff --git a/src/driver/sqlx_postgres.rs b/src/driver/sqlx_postgres.rs
index bf72f0de..f09c8760 100644
--- a/src/driver/sqlx_postgres.rs
+++ b/src/driver/sqlx_postgres.rs
@@ -52,7 +52,10 @@ impl SqlxPostgresConnector {
         }
         match options.pool_options().connect_with(opt).await {
             Ok(pool) => Ok(DatabaseConnection::SqlxPostgresPoolConnection(
-                SqlxPostgresPoolConnection { pool, metric_callback: None },
+                SqlxPostgresPoolConnection {
+                    pool,
+                    metric_callback: None,
+                },
             )),
             Err(e) => Err(sqlx_error_to_conn_err(e)),
         }
@@ -62,7 +65,10 @@ impl SqlxPostgresConnector {
 impl SqlxPostgresConnector {
     /// Instantiate a sqlx pool connection to a [DatabaseConnection]
     pub fn from_sqlx_postgres_pool(pool: PgPool) -> DatabaseConnection {
-        DatabaseConnection::SqlxPostgresPoolConnection(SqlxPostgresPoolConnection { pool, metric_callback: None })
+        DatabaseConnection::SqlxPostgresPoolConnection(SqlxPostgresPoolConnection {
+            pool,
+            metric_callback: None,
+        })
     }
 }
 
@@ -136,7 +142,11 @@ impl SqlxPostgresPoolConnection {
         debug_print!("{}", stmt);
 
         if let Ok(conn) = self.pool.acquire().await {
-            Ok(QueryStream::from((conn, stmt, self.metric_callback.clone())))
+            Ok(QueryStream::from((
+                conn,
+                stmt,
+                self.metric_callback.clone(),
+            )))
         } else {
             Err(DbErr::Query(
                 "Failed to acquire connection from pool.".to_owned(),
diff --git a/src/driver/sqlx_sqlite.rs b/src/driver/sqlx_sqlite.rs
index d3498dc1..9940b7fa 100644
--- a/src/driver/sqlx_sqlite.rs
+++ b/src/driver/sqlx_sqlite.rs
@@ -56,7 +56,10 @@ impl SqlxSqliteConnector {
         }
         match options.pool_options().connect_with(opt).await {
             Ok(pool) => Ok(DatabaseConnection::SqlxSqlitePoolConnection(
-                SqlxSqlitePoolConnection { pool, metric_callback: None },
+                SqlxSqlitePoolConnection {
+                    pool,
+                    metric_callback: None,
+                },
             )),
             Err(e) => Err(sqlx_error_to_conn_err(e)),
         }
@@ -66,7 +69,10 @@ impl SqlxSqliteConnector {
 impl SqlxSqliteConnector {
     /// Instantiate a sqlx pool connection to a [DatabaseConnection]
     pub fn from_sqlx_sqlite_pool(pool: SqlitePool) -> DatabaseConnection {
-        DatabaseConnection::SqlxSqlitePoolConnection(SqlxSqlitePoolConnection { pool, metric_callback: None })
+        DatabaseConnection::SqlxSqlitePoolConnection(SqlxSqlitePoolConnection {
+            pool,
+            metric_callback: None,
+        })
     }
 }
 
@@ -140,7 +146,11 @@ impl SqlxSqlitePoolConnection {
         debug_print!("{}", stmt);
 
         if let Ok(conn) = self.pool.acquire().await {
-            Ok(QueryStream::from((conn, stmt, self.metric_callback.clone())))
+            Ok(QueryStream::from((
+                conn,
+                stmt,
+                self.metric_callback.clone(),
+            )))
         } else {
             Err(DbErr::Query(
                 "Failed to acquire connection from pool.".to_owned(),
diff --git a/src/lib.rs b/src/lib.rs
index 5b6787dc..c31b80a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -276,6 +276,8 @@ pub mod entity;
 pub mod error;
 /// This module performs execution of queries on a Model or ActiveModel
 mod executor;
+/// Holds types and methods to perform metric collection
+pub mod metric;
 /// Holds types and methods to perform queries
 pub mod query;
 /// Holds types that defines the schemas of an Entity
@@ -284,8 +286,6 @@ pub mod schema;
 #[cfg(feature = "macros")]
 pub mod tests_cfg;
 mod util;
-/// Holds types and methods to perform metric collection
-pub mod metric;
 
 pub use database::*;
 pub use driver::*;
diff --git a/src/metric.rs b/src/metric.rs
index 7aa3a0a2..f90114b5 100644
--- a/src/metric.rs
+++ b/src/metric.rs
@@ -1,4 +1,4 @@
-use std::{time::Duration, sync::Arc};
+use std::{sync::Arc, time::Duration};
 
 pub(crate) type Callback = Arc<dyn Fn(&Info<'_>) + Send + Sync>;
 
@@ -17,39 +17,35 @@ pub struct Info<'a> {
 
 mod inner {
     macro_rules! metric {
-        ($metric_callback:expr, $stmt:expr, $code:block) => {
-            {
-                let _start = std::time::SystemTime::now();
-                let res = $code;
-                if let Some(callback) = $metric_callback.as_deref() {
-                    let info = crate::metric::Info {
-                        elapsed: _start.elapsed().unwrap_or_default(),
-                        statement: $stmt,
-                        failed: res.is_err(),
-                    };
-                    callback(&info);
-                }
-                res
+        ($metric_callback:expr, $stmt:expr, $code:block) => {{
+            let _start = std::time::SystemTime::now();
+            let res = $code;
+            if let Some(callback) = $metric_callback.as_deref() {
+                let info = crate::metric::Info {
+                    elapsed: _start.elapsed().unwrap_or_default(),
+                    statement: $stmt,
+                    failed: res.is_err(),
+                };
+                callback(&info);
             }
-        };
+            res
+        }};
     }
     pub(crate) use metric;
     macro_rules! metric_ok {
-        ($metric_callback:expr, $stmt:expr, $code:block) => {
-            {
-                let _start = std::time::SystemTime::now();
-                let res = $code;
-                if let Some(callback) = $metric_callback.as_deref() {
-                    let info = crate::metric::Info {
-                        elapsed: _start.elapsed().unwrap_or_default(),
-                        statement: $stmt,
-                        failed: false,
-                    };
-                    callback(&info);
-                }
-                res
+        ($metric_callback:expr, $stmt:expr, $code:block) => {{
+            let _start = std::time::SystemTime::now();
+            let res = $code;
+            if let Some(callback) = $metric_callback.as_deref() {
+                let info = crate::metric::Info {
+                    elapsed: _start.elapsed().unwrap_or_default(),
+                    statement: $stmt,
+                    failed: false,
+                };
+                callback(&info);
             }
-        };
+            res
+        }};
     }
     pub(crate) use metric_ok;
 }