}

func (like Like) NegationBuild(builder Builder) {
	builder.WriteQuoted(like.Column)
	builder.WriteString(" NOT LIKE ")
	builder.AddVar(builder, like.Value)
}

func eqNil(value interface{}) bool {
	if valuer, ok := value.(driver.Valuer); ok && !eqNilReflect(valuer) {
		value, _ = valuer.Value()
	}

	return value == nil || eqNilReflect(value)
}

func eqNilReflect(value interface{}) bool {

	"gorm.io/gorm/schema"
)

type DeletedAt sql.NullTime

// Scan implements the Scanner interface.
func (n *DeletedAt) Scan(value interface{}) error {
	return (*sql.NullTime)(n).Scan(value)
}

// Value implements the driver Valuer interface.
func (n DeletedAt) Value() (driver.Value, error) {
	if !n.Valid {
		return nil, nil
	}
	return n.Time, nil
}

func (n DeletedAt) MarshalJSON() ([]byte, error) {

type Values struct {
	Columns []Column
	Values  [][]interface{}
}

// Name from clause name
func (Values) Name() string {
	return "VALUES"
}

// Build build from clause
func (values Values) Build(builder Builder) {
	if len(values.Columns) > 0 {
		builder.WriteByte('(')
		for idx, column := range values.Columns {
			if idx > 0 {
				builder.WriteByte(',')
			}
			builder.WriteQuoted(column)
		}
		builder.WriteByte(')')

			} else if eq, ok := expr.(clause.Eq); ok {
				switch column := eq.Column.(type) {
				case string:
					assigns[column] = eq.Value
				case clause.Column:
					assigns[column.Name] = eq.Value
				}
			}
		}

		return tx.Model(dest).Updates(assigns)
	}

	return tx
}

// Update updates column with value using callbacks. Reference: https://gorm.io/docs/update.html#Update-Changed-Fields

					}
				} else {
					tx.Clauses(clause.Eq{Column: ref.ForeignKey.DBName, Value: ref.PrimaryValue})
				}
			}

			_, pvs := schema.GetIdentityFieldValuesMap(association.DB.Statement.Context, reflectValue, primaryFields)
			if column, values := schema.ToQueryValues(rel.JoinTable.Table, joinPrimaryKeys, pvs); len(values) > 0 {
				tx.Where(clause.IN{Column: column, Values: values})
			} else {
				return ErrPrimaryKeyRequired

					t.Fatalf("column age comment should be correct, name: %v, column: %#v", columnType.Name(),
						columnType)
				}
			case "code":
				if v, ok := columnType.Unique(); !ok || !v {
					t.Fatalf("column code unique should be correct, name: %v, column: %#v", columnType.Name(),
						columnType)
				}
				if v, ok := columnType.DefaultValue(); !ok || v != "hello" {

	for idx, column := range columns {
		if reflectValue := reflect.Indirect(reflect.Indirect(reflect.ValueOf(values[idx]))); reflectValue.IsValid() {
			mapValue[column] = reflectValue.Interface()
			if valuer, ok := mapValue[column].(driver.Valuer); ok {
				mapValue[column], _ = valuer.Value()
			} else if b, ok := mapValue[column].(sql.RawBytes); ok {
				mapValue[column] = string(b)
			}
		} else {

									assignment := clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: curTime}
									switch field.AutoUpdateTime {
									case schema.UnixNanosecond:
										assignment.Value = curTime.UnixNano()
									case schema.UnixMillisecond:
										assignment.Value = curTime.UnixMilli()
									case schema.UnixSecond:
										assignment.Value = curTime.Unix()
									}

				newName = field.DBName
			}
		}

		return m.DB.Exec(
			"ALTER TABLE ? RENAME COLUMN ? TO ?",
			m.CurrentTable(stmt), clause.Column{Name: oldName}, clause.Column{Name: newName},
		).Error
	})
}

// MigrateColumn migrate column
func (m Migrator) MigrateColumn(value interface{}, field *schema.Field, columnType gorm.ColumnType) error {
	if field.IgnoreMigration {
		return nil
	}

			result[k][idx] = v
		}
	}

	sort.Strings(columns)
	values.Values = make([][]interface{}, len(mapValues))
	values.Columns = make([]clause.Column, len(columns))
	for idx, column := range columns {
		values.Columns[idx] = clause.Column{Name: column}

		for i, v := range result[column] {
			if len(values.Values[i]) == 0 {
				values.Values[i] = make([]interface{}, len(columns))
			}

			values.Values[i][idx] = v
		}
	}