fix: on confilct with default value

callbacks/create.go

@@ -3,7 +3,6 @@ package callbacks
 import (
 	"fmt"
 	"reflect"
-	"strings"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -343,8 +342,9 @@ func ConvertToCreateValues(stmt *gorm.Statement) (values clause.Values) {
 				for _, column := range values.Columns {
 					if field := stmt.Schema.LookUpField(column.Name); field != nil {
 						if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {
-							if !field.PrimaryKey && (!field.HasDefaultValue || field.DefaultValueInterface != nil ||
-								strings.EqualFold(field.DefaultValue, "NULL")) && field.AutoCreateTime == 0 {
+							// We can confirm the column either has a value or default value,
+							// so checking HasDefaultValue again will cause some columns to be missed.
+							if !field.PrimaryKey && field.AutoCreateTime == 0 {
 								if field.AutoUpdateTime > 0 {
 									assignment := clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: curTime}
 									switch field.AutoUpdateTime {

tests/associations_test.go

@@ -3,6 +3,7 @@ package tests_test
 import (
 	"testing"
 
+	"gorm.io/datatypes"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	"gorm.io/gorm/schema"
@@ -183,6 +184,56 @@ func TestForeignKeyConstraintsBelongsTo(t *testing.T) {
 	}
 }
 
+func TestFullSaveAssociationsWithJSONDefault(t *testing.T) {
+	if DB.Dialector.Name() == "mysql" {
+		t.Skip() // mysql json can't have a default value
+	}
+
+	type ValueDep struct {
+		ID      int
+		ValueID int
+		Name    string
+		Params  datatypes.JSONMap `gorm:"default:'{}'"`
+	}
+	type Value struct {
+		ID   int
+		Name string
+		Dep  ValueDep
+	}
+
+	if err := DB.Migrator().DropTable(&ValueDep{}, &Value{}); err != nil {
+		t.Fatalf("failed to drop value table, got err: %v", err)
+	}
+	if err := DB.AutoMigrate(&ValueDep{}, &Value{}); err != nil {
+		t.Fatalf("failed to migrate value table, got err: %v", err)
+	}
+
+	if err := DB.Create(&Value{
+		Name: "foo",
+		Dep:  ValueDep{Name: "bar", Params: map[string]interface{}{"foo": "bar"}},
+	}).Error; err != nil {
+		t.Errorf("failed to create value, got err: %v", err)
+	}
+
+	var value Value
+	if err := DB.Preload("Dep").First(&value).Error; err != nil {
+		t.Errorf("failed to find value, got err: %v", err)
+	}
+
+	value.Dep.Params["foo"] = "new bar"
+	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(&value).Error; err != nil {
+		t.Errorf("failed to svae value, got err: %v", err)
+	}
+
+	var result Value
+	if err := DB.Preload("Dep").First(&result).Error; err != nil {
+		t.Errorf("failed to find value, got err: %v", err)
+	}
+	if result.Dep.Params["foo"] != "new bar" {
+		t.Errorf("failed to save value dep params, got: %v", result.Dep.Params)
+	}
+}
+
 func TestFullSaveAssociations(t *testing.T) {
 	coupon := &Coupon{
 		AppliesToProduct: []*CouponProduct{

tests/create_test.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/jinzhu/now"
+	"gorm.io/datatypes"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	. "gorm.io/gorm/utils/tests"
@@ -582,41 +583,73 @@ func TestCreateWithAutoIncrementCompositeKey(t *testing.T) {
 }
 
 func TestCreateOnConflictWithDefaultNull(t *testing.T) {
-	type OnConfilctUser struct {
+	type OnConflictUser struct {
 		ID     string
 		Name   string `gorm:"default:null"`
 		Email  string
 		Mobile string `gorm:"default:'133xxxx'"`
 	}
 
-	err := DB.Migrator().DropTable(&OnConfilctUser{})
+	err := DB.Migrator().DropTable(&OnConflictUser{})
 	AssertEqual(t, err, nil)
-	err = DB.AutoMigrate(&OnConfilctUser{})
+	err = DB.AutoMigrate(&OnConflictUser{})
 	AssertEqual(t, err, nil)
 
-	u := OnConfilctUser{
-		ID:     "on-confilct-user-id",
-		Name:   "on-confilct-user-name",
-		Email:  "on-confilct-user-email",
-		Mobile: "on-confilct-user-mobile",
+	u := OnConflictUser{
+		ID:     "on-conflict-user-id",
+		Name:   "on-conflict-user-name",
+		Email:  "on-conflict-user-email",
+		Mobile: "on-conflict-user-mobile",
 	}
 	err = DB.Create(&u).Error
 	AssertEqual(t, err, nil)
 
-	u.Name = "on-confilct-user-name-2"
-	u.Email = "on-confilct-user-email-2"
+	u.Name = "on-conflict-user-name-2"
+	u.Email = "on-conflict-user-email-2"
 	u.Mobile = ""
 	err = DB.Clauses(clause.OnConflict{UpdateAll: true}).Create(&u).Error
 	AssertEqual(t, err, nil)
 
-	var u2 OnConfilctUser
+	var u2 OnConflictUser
 	err = DB.Where("id = ?", u.ID).First(&u2).Error
 	AssertEqual(t, err, nil)
-	AssertEqual(t, u2.Name, "on-confilct-user-name-2")
-	AssertEqual(t, u2.Email, "on-confilct-user-email-2")
+	AssertEqual(t, u2.Name, "on-conflict-user-name-2")
+	AssertEqual(t, u2.Email, "on-conflict-user-email-2")
 	AssertEqual(t, u2.Mobile, "133xxxx")
 }
 
+func TestCreateOnConflictWithDefaultJSON(t *testing.T) {
+	if DB.Dialector.Name() == "mysql" {
+		t.Skip() // mysql json can't have a default value
+	}
+	type OnConflictValue struct {
+		ID     int
+		Params datatypes.JSONMap `gorm:"default:'{}'"`
+	}
+
+	err := DB.Migrator().DropTable(&OnConflictValue{})
+	AssertEqual(t, err, nil)
+	err = DB.AutoMigrate(&OnConflictValue{})
+	AssertEqual(t, err, nil)
+
+	v := OnConflictValue{
+		Params: datatypes.JSONMap{"foo": "bar"},
+	}
+	err = DB.Create(&v).Error
+	AssertEqual(t, err, nil)
+
+	err = DB.Clauses(clause.OnConflict{UpdateAll: true}).Create(&OnConflictValue{
+		ID:     v.ID,
+		Params: datatypes.JSONMap{"foo": "new-bar"},
+	}).Error
+	AssertEqual(t, err, nil)
+
+	var v2 OnConflictValue
+	err = DB.Where("id = ?", v.ID).First(&v2).Error
+	AssertEqual(t, err, nil)
+	AssertEqual(t, v2.Params, datatypes.JSONMap{"foo": "new-bar"})
+}
+
 func TestCreateFromMapWithoutPK(t *testing.T) {
 	if !isMysql() {
 		t.Skipf("This test case skipped, because of only supportting for mysql")