From 1e13fd7543826a5d341401387cb1aa22fdf4b9f6 Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Mon, 8 Apr 2024 11:29:55 +0800
Subject: [PATCH] Fix duplicated columns in INSERT SQL for some fields with
 default value

---
 callbacks/create.go         |  4 ++--
 tests/default_value_test.go | 18 ++++++++++++++++++
 tests/go.mod                |  6 +++---
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/callbacks/create.go b/callbacks/create.go
index afea2ccac..8b7846b63 100644
--- a/callbacks/create.go
+++ b/callbacks/create.go
@@ -307,7 +307,7 @@ func ConvertToCreateValues(stmt *gorm.Statement) (values clause.Values) {
 					values.Columns = append(values.Columns, clause.Column{Name: field.DBName})
 					for idx := range values.Values {
 						if vs[idx] == nil {
-							values.Values[idx] = append(values.Values[idx], stmt.Dialector.DefaultValueOf(field))
+							values.Values[idx] = append(values.Values[idx], stmt.DefaultValueOf(field))
 						} else {
 							values.Values[idx] = append(values.Values[idx], vs[idx])
 						}
@@ -333,7 +333,7 @@ func ConvertToCreateValues(stmt *gorm.Statement) (values clause.Values) {
 			}
 
 			for _, field := range stmt.Schema.FieldsWithDefaultDBValue {
-				if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
+				if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) && field.DefaultValueInterface == nil {
 					if rvOfvalue, isZero := field.ValueOf(stmt.Context, stmt.ReflectValue); !isZero {
 						values.Columns = append(values.Columns, clause.Column{Name: field.DBName})
 						values.Values[0] = append(values.Values[0], rvOfvalue)
diff --git a/tests/default_value_test.go b/tests/default_value_test.go
index 918f0796d..71d6deb25 100644
--- a/tests/default_value_test.go
+++ b/tests/default_value_test.go
@@ -38,4 +38,22 @@ func TestDefaultValue(t *testing.T) {
 	} else if result.Name != "foo" || result.Name2 != "foo" || result.Name3 != "" || result.Age != 18 || !result.Enabled || result.Created.Format("20060102") != "20000102" {
 		t.Fatalf("Failed to find created data with default data, got %+v", result)
 	}
+
+	type Harumph2 struct {
+		ID      int       `gorm:"default:0"`
+		Email   string    `gorm:"not null;index:,unique"`
+		Name    string    `gorm:"notNull;default:foo"`
+		Name2   string    `gorm:"size:233;not null;default:'foo'"`
+		Name3   string    `gorm:"size:233;notNull;default:''"`
+		Age     int       `gorm:"default:18"`
+		Created time.Time `gorm:"default:2000-01-02"`
+		Enabled bool      `gorm:"default:true"`
+	}
+
+	harumph2 := Harumph2{ID: 2, Email: "hello2@gorm.io"}
+	if err := DB.Table("harumphs").Create(&harumph2).Error; err != nil {
+		t.Fatalf("Failed to create data with default value, got error: %v", err)
+	} else if harumph2.ID != 2 || harumph2.Name != "foo" || harumph2.Name2 != "foo" || harumph2.Name3 != "" || harumph2.Age != 18 || !harumph2.Enabled || harumph2.Created.Format("20060102") != "20000102" {
+		t.Fatalf("Failed to create data with default value, got: %+v", harumph2)
+	}
 }
diff --git a/tests/go.mod b/tests/go.mod
index 3d3901d93..d58469c45 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -11,13 +11,13 @@ require (
 	gorm.io/driver/postgres v1.5.7
 	gorm.io/driver/sqlite v1.5.5
 	gorm.io/driver/sqlserver v1.5.3
-	gorm.io/gorm v1.25.8
+	gorm.io/gorm v1.25.9
 )
 
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-sql-driver/mysql v1.8.0 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
 	github.com/golang-sql/sqlexp v0.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
@@ -29,7 +29,7 @@ require (
 	github.com/microsoft/go-mssqldb v1.7.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
-	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/crypto v0.22.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )