diff --git a/examples/rocket_example/src/main.rs b/examples/rocket_example/src/main.rs
index 1a275200..87899d84 100644
--- a/examples/rocket_example/src/main.rs
+++ b/examples/rocket_example/src/main.rs
@@ -10,7 +10,7 @@ use rocket::{Build, Request, Rocket};
 use rocket_db_pools::{sqlx, Connection, Database};
 use rocket_dyn_templates::{context, Template};
 
-use sea_orm::entity::*;
+use sea_orm::{entity::*, query::*};
 
 mod pool;
 use pool::RocketDbPool;
@@ -81,7 +81,9 @@ async fn list(
 ) -> Template {
     let page = page.unwrap_or(0);
     let posts_per_page = posts_per_page.unwrap_or(DEFAULT_POSTS_PER_PAGE);
-    let paginator = Post::find().paginate(&conn, posts_per_page);
+    let paginator = Post::find()
+        .order_by_asc(post::Column::Id)
+        .paginate(&conn, posts_per_page);
     let num_pages = paginator.num_pages().await.ok().unwrap();
 
     let posts = paginator
diff --git a/examples/rocket_example/src/post.rs b/examples/rocket_example/src/post.rs
index 0bce0e7a..9a56e271 100644
--- a/examples/rocket_example/src/post.rs
+++ b/examples/rocket_example/src/post.rs
@@ -1,65 +1,17 @@
 use rocket::serde::{Deserialize, Serialize};
 use sea_orm::entity::prelude::*;
 
-#[derive(Copy, Clone, Default, Debug, DeriveEntity, Deserialize, Serialize)]
-#[serde(crate = "rocket::serde")]
-pub struct Entity;
-
-impl EntityName for Entity {
-    fn table_name(&self) -> &str {
-        "posts"
-    }
-}
-
-#[derive(
-    Clone, Debug, PartialEq, DeriveModel, DeriveActiveModel, Deserialize, Serialize, FromForm,
-)]
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Deserialize, Serialize, FromForm)]
 #[serde(crate = "rocket::serde")]
+#[sea_orm(table_name = "posts")]
 pub struct Model {
-    #[serde(skip_deserializing, skip_serializing_if = "Option::is_none")]
-    pub id: Option<i32>,
+    #[sea_orm(primary_key)]
+    pub id: i32,
     pub title: String,
     pub text: String,
 }
 
-#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
-pub enum Column {
-    Id,
-    Title,
-    Text,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey)]
-pub enum PrimaryKey {
-    Id,
-}
-
-impl PrimaryKeyTrait for PrimaryKey {
-    type ValueType = i32;
-
-    fn auto_increment() -> bool {
-        true
-    }
-}
-
-#[derive(Copy, Clone, Debug, EnumIter)]
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {}
 
-impl ColumnTrait for Column {
-    type EntityName = Entity;
-
-    fn def(&self) -> ColumnDef {
-        match self {
-            Self::Id => ColumnType::Integer.def(),
-            Self::Title => ColumnType::String(None).def(),
-            Self::Text => ColumnType::String(None).def(),
-        }
-    }
-}
-
-impl RelationTrait for Relation {
-    fn def(&self) -> RelationDef {
-        panic!()
-    }
-}
 impl ActiveModelBehavior for ActiveModel {}
diff --git a/examples/rocket_example/templates/edit.html.tera b/examples/rocket_example/templates/edit.html.tera
index 47882e65..2ccb81a1 100644
--- a/examples/rocket_example/templates/edit.html.tera
+++ b/examples/rocket_example/templates/edit.html.tera
@@ -5,6 +5,12 @@
     <div class="ten columns">
       <form action="/{{ post.id }}" method="post">
         <div class="twelve columns">
+          <input
+            type="hidden"
+            name="id"
+            id="id"
+            value="0"
+          />
           <input
             type="text"
             placeholder="title"
diff --git a/examples/rocket_example/templates/new.html.tera b/examples/rocket_example/templates/new.html.tera
index 57daffe2..37c547d4 100644
--- a/examples/rocket_example/templates/new.html.tera
+++ b/examples/rocket_example/templates/new.html.tera
@@ -3,6 +3,12 @@
   <h4>New Post</h4>
   <form action="/" method="post">
     <div class="twelve columns">
+      <input
+        type="hidden"
+        name="id"
+        id="id"
+        value="0"
+      />
       <input
         type="text"
         placeholder="enter title"