What's Changed
* parser fix boolean expr and empty expr string bug by Presburger in https://github.com/milvus-io/milvus-lite/pull/150
* Fix query filter empty bug by junjiejiangjjj in https://github.com/milvus-io/milvus-lite/pull/151
* Fix bug when collection name is sql key words by junjiejiangjjj in https://github.com/milvus-io/milvus-lite/pull/160
* Improve the stability of milvus-lite
**Full Changelog**: https://github.com/milvus-io/milvus-lite/compare/v2.4.6...v2.4.7