Do nothing on conflict (#1712)

* added Conflicted to TryInsertResult

clippy changes

fmt

change from basic if statement to matches

* changed to early return

src/executor/insert.rs

@@ -30,9 +30,9 @@ where
 /// The types of results for an INSERT operation
 #[derive(Debug)]
 pub enum TryInsertResult<T> {
-    /// The INSERT operation did not insert any value
+    /// The INSERT statement did not have any value to insert
     Empty,
-    /// Reserved
+    /// The INSERT operation did not insert any valid value
     Conflicted,
     /// Successfully inserted
     Inserted(T),
@@ -50,10 +50,13 @@ where
         A: 'a,
     {
         if self.insert_struct.columns.is_empty() {
-            TryInsertResult::Empty
-        } else {
-            TryInsertResult::Inserted(self.insert_struct.exec(db).await)
+            return TryInsertResult::Empty;
         }
+        let temp = self.insert_struct.exec(db).await;
+        if matches!(temp, Err(DbErr::RecordNotInserted)) {
+            return TryInsertResult::Conflicted;
+        }
+        TryInsertResult::Inserted(temp)
     }
 
     /// Execute an insert operation without returning (don't use `RETURNING` syntax)
@@ -68,10 +71,13 @@ where
         A: 'a,
     {
         if self.insert_struct.columns.is_empty() {
-            TryInsertResult::Empty
-        } else {
-            TryInsertResult::Inserted(self.insert_struct.exec_without_returning(db).await)
+            return TryInsertResult::Empty;
         }
+        let temp = self.insert_struct.exec_without_returning(db).await;
+        if matches!(temp, Err(DbErr::RecordNotInserted)) {
+            return TryInsertResult::Conflicted;
+        }
+        TryInsertResult::Inserted(temp)
     }
 
     /// Execute an insert operation and return the inserted model (use `RETURNING` syntax if database supported)
@@ -85,10 +91,13 @@ where
         A: 'a,
     {
         if self.insert_struct.columns.is_empty() {
-            TryInsertResult::Empty
-        } else {
-            TryInsertResult::Inserted(self.insert_struct.exec_with_returning(db).await)
+            return TryInsertResult::Empty;
         }
+        let temp = self.insert_struct.exec_with_returning(db).await;
+        if matches!(temp, Err(DbErr::RecordNotInserted)) {
+            return TryInsertResult::Conflicted;
+        }
+        TryInsertResult::Inserted(temp)
     }
 }
 

src/query/insert.rs

@@ -211,6 +211,14 @@ where
 
     /// Allow insert statement return safely if inserting nothing.
     /// The database will not be affected.
+    pub fn do_nothing(self) -> TryInsert<A>
+    where
+        A: ActiveModelTrait,
+    {
+        TryInsert::from_insert(self)
+    }
+
+    /// alias to do_nothing
     pub fn on_empty_do_nothing(self) -> TryInsert<A>
     where
         A: ActiveModelTrait,
@@ -309,7 +317,7 @@ where
         self
     }
 
-    // helper function for on_empty_do_nothing in Insert<A>
+    // helper function for do_nothing in Insert<A>
     pub fn from_insert(insert: Insert<A>) -> Self {
         Self {
             insert_struct: insert,

tests/upsert_tests.rs

@@ -3,6 +3,7 @@ pub mod common;
 pub use common::{features::*, setup::*, TestContext};
 use pretty_assertions::assert_eq;
 use sea_orm::entity::prelude::*;
+use sea_orm::TryInsertResult;
 use sea_orm::{sea_query::OnConflict, Set};
 
 #[sea_orm_macros::test]
@@ -50,11 +51,24 @@ pub async fn create_insert_default(db: &DatabaseConnection) -> Result<(), DbErr>
         ActiveModel { id: Set(3) },
         ActiveModel { id: Set(4) },
     ])
-    .on_conflict(on_conflict)
+    .on_conflict(on_conflict.clone())
     .exec(db)
     .await;
 
     assert_eq!(res.err(), Some(DbErr::RecordNotInserted));
 
+    let res = Entity::insert_many([
+        ActiveModel { id: Set(1) },
+        ActiveModel { id: Set(2) },
+        ActiveModel { id: Set(3) },
+        ActiveModel { id: Set(4) },
+    ])
+    .on_conflict(on_conflict)
+    .do_nothing()
+    .exec(db)
+    .await;
+
+    assert!(matches!(res, TryInsertResult::Conflicted));
+
     Ok(())
 }