From 84f3837a669900cf84037121d9d3b69feaabb1f0 Mon Sep 17 00:00:00 2001
From: Shafkath Shuhan <shafkathshuhannyc@gmail.com>
Date: Mon, 25 Apr 2022 19:19:01 -0400
Subject: [PATCH 1/2] add is_changed to ActiveModelTrait

---
 src/entity/active_model.rs | 5 +++++
 src/lib.rs                 | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/entity/active_model.rs b/src/entity/active_model.rs
index ceb4f726e..6d7f035e2 100644
--- a/src/entity/active_model.rs
+++ b/src/entity/active_model.rs
@@ -548,6 +548,11 @@ pub trait ActiveModelTrait: Clone + Debug {
 
         Ok(am)
     }
+
+    /// Returns `true` if any columns were changed.
+    fn is_changed(&self) -> bool {
+        <Self::Entity as EntityTrait>::Column::iter().any(|col| !self.get(col).is_unchanged())
+    }
 }
 
 /// A Trait for overriding the ActiveModel behavior
diff --git a/src/lib.rs b/src/lib.rs
index 1cc42f3a5..0668c7e62 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -263,7 +263,7 @@
 //! ## Who's using SeaORM?
 //!
 //! SeaORM is the foundation of [StarfishQL](https://github.com/SeaQL/starfish-ql), an experimental graph database and query engine.
-//! 
+//!
 //! For more projects, see [Built with SeaORM](https://github.com/SeaQL/sea-orm/blob/master/COMMUNITY.md#built-with-seaorm).
 //!
 //! ## License

From 60ca990f2c01873267fdaf615db7f90c11402ecf Mon Sep 17 00:00:00 2001
From: Shafkath Shuhan <shafkathshuhannyc@gmail.com>
Date: Sat, 7 May 2022 13:18:57 -0400
Subject: [PATCH 2/2] add test for `ActiveModelTrait::is_changed()`

---
 src/entity/active_model.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/entity/active_model.rs b/src/entity/active_model.rs
index 6d7f035e2..0fd54b713 100644
--- a/src/entity/active_model.rs
+++ b/src/entity/active_model.rs
@@ -551,7 +551,8 @@ pub trait ActiveModelTrait: Clone + Debug {
 
     /// Returns `true` if any columns were changed.
     fn is_changed(&self) -> bool {
-        <Self::Entity as EntityTrait>::Column::iter().any(|col| !self.get(col).is_unchanged())
+        <Self::Entity as EntityTrait>::Column::iter()
+            .any(|col| self.get(col).is_set() && !self.get(col).is_unchanged())
     }
 }
 
@@ -1093,4 +1094,13 @@ mod tests {
 
         Ok(())
     }
+
+    #[test]
+    fn test_active_model_is_changed() {
+        let mut fruit: fruit::ActiveModel = Default::default();
+        assert!(!fruit.is_changed());
+
+        fruit.set(fruit::Column::Name, "apple".into());
+        assert!(fruit.is_changed());
+    }
 }