test

type JsonColumn struct {
	Val   User
	Valid bool
}

type SimpleStruct struct {
	Id      uint64
	Bool    bool
	BoolPtr *bool

	Int    int
	IntPtr *int

	Int8    int8
	Int8Ptr *int8

	Int16    int16
	Int16Ptr *int16

	Int32    int32
	Int32Ptr *int32

	Int64    int64
	Int64Ptr *int64

	Uint    uint
	UintPtr *uint

	Uint8    uint8
	Uint8Ptr *uint8

	Uint16    uint16
	Uint16Ptr *uint16

	Uint32    uint32
	Uint32Ptr *uint32

	Uint64    uint64
	Uint64Ptr *uint64

	Float32    float32
	Float32Ptr *float32

	Float64    float64
	Float64Ptr *float64

	Byte      byte
	BytePtr   *byte
	ByteArray []byte

	String string

	// 特殊类型
	NullStringPtr *sql.NullString
	NullInt16Ptr  *sql.NullInt16
	NullInt32Ptr  *sql.NullInt32
	NullInt64Ptr  *sql.NullInt64
	NullBoolPtr   *sql.NullBool
	// NullTimePtr    *sql.NullTime
	NullFloat64Ptr *sql.NullFloat64
	JsonColumn     *JsonColumn
}

type User struct {
	Name string
}