Function TestEncodeLargeSmallReuseBug

pkg/util/rowcodec/rowcodec_test.go:48–84

(t *testing.T)

}

func TestEncodeLargeSmallReuseBug(t *testing.T) {
	// reuse one rowcodec.Encoder.
	var encoder rowcodec.Encoder
	colFt := types.NewFieldType(mysql.TypeString)

	largeColID := int64(300)
	b, err := encoder.Encode(nil, []int64{largeColID}, []types.Datum{types.NewBytesDatum([]byte(""))}, nil, nil)
	require.NoError(t, err)

	bDecoder := rowcodec.NewDatumMapDecoder([]rowcodec.ColInfo{
		{
			ID:         largeColID,
			Ft:         colFt,
			IsPKHandle: false,
		},
	}, nil)
	_, err = bDecoder.DecodeToDatumMap(b, nil)
	require.NoError(t, err)

	colFt = types.NewFieldType(mysql.TypeLonglong)
	smallColID := int64(1)
	b, err = encoder.Encode(nil, []int64{smallColID}, []types.Datum{types.NewIntDatum(2)}, nil, nil)
	require.NoError(t, err)

	bDecoder = rowcodec.NewDatumMapDecoder([]rowcodec.ColInfo{
		{
			ID:         smallColID,
			Ft:         colFt,
			IsPKHandle: false,
		},
	}, nil)
	m, err := bDecoder.DecodeToDatumMap(b, nil)
	require.NoError(t, err)

	v := m[smallColID]
	require.Equal(t, int64(2), v.GetInt64())
}

func TestDecodeRowWithHandle(t *testing.T) {
	handleID := int64(-1)