Columns      []Column
	Where        Where
	TargetWhere  Where
	OnConstraint string
	DoNothing    bool
	DoUpdates    Set
	UpdateAll    bool
}

func (OnConflict) Name() string {
	return "ON CONFLICT"
}

// Build build onConflict clause
func (onConflict OnConflict) Build(builder Builder) {
	if onConflict.OnConstraint != "" {
		builder.WriteString("ON CONSTRAINT ")
		builder.WriteString(onConflict.OnConstraint)

	} else if len(langs) != 1 {
		t.Errorf("should only find only 1 languages, but got %+v", langs)
	} else if langs[0].Name != "upsert-new" {
		t.Errorf("should update name on conflict, but got name %+v", langs[0].Name)
	}

	lang = Language{Code: "upsert", Name: "Upsert-Newname"}
	if err := DB.Clauses(clause.OnConflict{UpdateAll: true}).Create(&lang).Error; err != nil {

		}

		isDryRun := !db.DryRun && db.Error == nil
		if !isDryRun {
			return
		}

		ok, mode := hasReturning(db, supportReturning)
		if ok {
			if c, ok := db.Statement.Clauses["ON CONFLICT"]; ok {
				if onConflict, _ := c.Expression.(clause.OnConflict); onConflict.DoNothing {
					mode |= gorm.ScanOnConflictDoNothing
				}
			}

			rows, err := db.Statement.ConnPool.QueryContext(

		reflectValue = reflect.Indirect(reflectValue)
	}

	switch reflectValue.Kind() {
	case reflect.Slice, reflect.Array:
		if _, ok := tx.Statement.Clauses["ON CONFLICT"]; !ok {
			tx = tx.Clauses(clause.OnConflict{UpdateAll: true})
		}
		tx = tx.callbacks.Create().Execute(tx.Set("gorm:update_track_time", true))
	case reflect.Struct:

	return "dummy"
}

func (DummyDialector) Initialize(db *gorm.DB) error {
	callbacks.RegisterDefaultCallbacks(db, &callbacks.Config{
		CreateClauses:        []string{"INSERT", "VALUES", "ON CONFLICT", "RETURNING"},
		UpdateClauses:        []string{"UPDATE", "SET", "WHERE", "RETURNING"},
		DeleteClauses:        []string{"DELETE", "FROM", "WHERE", "RETURNING"},
		LastInsertIDReversed: true,
	})

	return nil
}

package callbacks

import (
	"gorm.io/gorm"
)

var (
	createClauses = []string{"INSERT", "VALUES", "ON CONFLICT"}
	queryClauses  = []string{"SELECT", "FROM", "WHERE", "GROUP BY", "ORDER BY", "LIMIT", "FOR"}
	updateClauses = []string{"UPDATE", "SET", "WHERE"}
	deleteClauses = []string{"DELETE", "FROM", "WHERE"}
)

type Config struct {
	LastInsertIDReversed bool
	CreateClauses        []string
	QueryClauses         []string

	AssertEqual(t, err, nil)

	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-conflict-user-name-2"
	u.Email = "on-conflict-user-email-2"
	u.Mobile = ""