matrixone-v0.3.0

We are excited to announce MatrixOne 0.3.0 release. Cheers!

Docker

docker pull matrixorigin/matrixone:0.3.0

Features

• Exports data into CSV file.
• Introduces parallel execution and improve performance for projection query.
• Introduces IN operator and allows you to specify multiple values in a WHERE clause.
• Support NULLABLE column in group by expression.
• Introduces new functions: round and floor.
• Introduces a Chaos Testing framework for distributed system.

Known issues

• For continuous table creation actions in a script, the parameter of pre-allocated-group-num should be set to a bigger value such in cluster scenarios. Otherwise, "no available raft group" may be notified during tables creation sequence.

Contributors

This release includes 157 commits by 21 authors.

• broccoliSpicy(@broccoliSpicy)
• Chen Mingsong(@m-schen)
• hanfang (@aptend)
• O2 (@ikenchina)
• Jin Hai (@JinHai-CN)
• Jiang xinmeng (@jiangxinmeng1)
• Lin Junhong (@iamlinjunhong)
• Long Ran (@aunjgr)
• Nan Deng (@dengn)
• Otter(@WenhaoKong2001)
• Peng Zhen (@daviszhen)
• Qin Shuqi (@sukki37)
• Sundy Li(@sundy-li)
• Shen JiangWei(@LeftHandCold)
• Jian Wang(@jianwan0214)
• Wan Hanbo(@wanhanbo )
• Xu Peng (@XuPeng-SH)
• Yan Wenze(@nnsgmsone)
• Yuesheng Li(@reusee)
• Zilong Zhou (@zzl200012)
• Zhang Yingfeng (@yingfeng)

New Contributors

• @wanhanbo made their first contribution in #1600
• @ikenchina made their first contribution in #1685
• @sundy-li made their first contribution in #1704
• @WenhaoKong2001 made their first contribution in #1838

We appreciate your contribution! Welcome to MatrixOne community.

Full Changelog

v0.2.0...v0.3.0