db.Statement.Build(db.Statement.BuildClauses...)
		}

		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 {
				onConflict, _ := c.Expression.(clause.OnConflict)
				if onConflict.DoNothing {
					mode |= gorm.ScanOnConflictDoNothing