if nullable, _ := columnType.Nullable(); !nullable {
				t.Fatalf("stock's nullable should be true, bug got %t", nullable)
			}
		}
	}
}

func TestSmartMigrateColumn(t *testing.T) {
	fullSupported := map[string]bool{"mysql": true, "postgres": true, "gaussdb": true}[DB.Dialector.Name()]

	type UserMigrateColumn struct {
		ID       uint
		Name     string
		Salary   float64