* add virtual IF UpdateIndexSize
Signed-off-by: Nshengjun.li <shengjun.li@zilliz.com>

* update ivf index size
Signed-off-by: Nsahuang <xiaohai.xu@zilliz.com>

* fix PQ logic
Signed-off-by: Nsahuang <xiaohai.xu@zilliz.com>

* fix index size of index hnsw, annoy and nsg
Signed-off-by: Ncmli <chengming.li@zilliz.com>

* add GetSize() interface 4 SPTAG
Signed-off-by: Ncmli <chengming.li@zilliz.com>

* fix binary ivf
Signed-off-by: Nshengjun.li <shengjun.li@zilliz.com>
Co-authored-by: Nsahuang <xiaohai.xu@zilliz.com>
Co-authored-by: Ncmli <chengming.li@zilliz.com>

* Move NULL to nullptr
Signed-off-by: NFierralin <fierralin@hotmail.com>

* Try fix
Signed-off-by: NFierralin <fierralin@hotmail.com>

Former-commit-id: 0d3deee1a8a101507259913453b76a3c1c670966

Former-commit-id: 898c2c8b0b2cfdc1b8664062aa0ea910a93566dd