TestFirstOrCreateWithPrimaryKey, close #3192

callbacks/create.go

@@ -70,16 +70,8 @@ func Create(config *Config) func(db *gorm.DB) {
 												}
 											}
 										} else {
-											allUpdated := int(db.RowsAffected) == db.Statement.ReflectValue.Len()
-											isZero := true
-
 											for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
-
+												if _, isZero := db.Statement.Schema.PrioritizedPrimaryField.ValueOf(db.Statement.ReflectValue.Index(i)); isZero {
-												if !allUpdated {
-													_, isZero = db.Statement.Schema.PrioritizedPrimaryField.ValueOf(db.Statement.ReflectValue.Index(i))
-												}
-
-												if isZero {
 													db.Statement.Schema.PrioritizedPrimaryField.Set(db.Statement.ReflectValue.Index(i), insertID)
 													insertID++
 												}

tests/create_test.go

@@ -352,3 +352,22 @@ func TestOmitWithCreate(t *testing.T) {
 
 	CheckUser(t, result2, user2)
 }
+
+func TestFirstOrCreateWithPrimaryKey(t *testing.T) {
+	company := Company{ID: 100, Name: "company100_with_primarykey"}
+	DB.FirstOrCreate(&company)
+
+	if company.ID != 100 {
+		t.Errorf("invalid primary key after creating, got %v", company.ID)
+	}
+
+	companies := []Company{
+		{ID: 101, Name: "company101_with_primarykey"},
+		{ID: 102, Name: "company102_with_primarykey"},
+	}
+	DB.Create(&companies)
+
+	if companies[0].ID != 101 || companies[1].ID != 102 {
+		t.Errorf("invalid primary key after creating, got %v, %v", companies[0].ID, companies[1].ID)
+	}
+}

tests/go.mod

@@ -6,10 +6,10 @@ require (
 	github.com/google/uuid v1.1.1
 	github.com/jinzhu/now v1.1.1
 	github.com/lib/pq v1.6.0
-	gorm.io/driver/mysql v0.2.9
+	gorm.io/driver/mysql v0.3.1
-	gorm.io/driver/postgres v0.2.5
+	gorm.io/driver/postgres v0.2.6
 	gorm.io/driver/sqlite v1.0.8
-	gorm.io/driver/sqlserver v0.2.4
+	gorm.io/driver/sqlserver v0.2.5
 	gorm.io/gorm v0.2.19
 )