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MatrixOne v0.2.0 Release Notes

We are excited to announce MatrixOne 0.2.0 release on 2022/1/6. Cheers!

Docker

docker pull matrixorigin/matrixone:0.2.0

Features

  • Support automatic rebalancing for the built-in AOE columnar storage engine.
  • Introduce new SQL parser.
  • Introduce factorized SQL execution engine which is the fastest MPP in Golang.
  • Support CREATE / DROP INDEX.
  • Support PRIMARY KEY in CREATE TABLE.
  • Support more data types for SQL binary operators.
  • Support equi join with group by or aggregation statements.
  • Support new types of DATE and DATETIME.

Database Engine

  • 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 243 commits by 21 authors.

  • BingLin Chang (@decster)
  • Chen Mingsong(@m-schen)
  • Nan Deng (@dengn)
  • Jin Hai (@JinHai-CN)
  • Jiang xinmeng (@jiangxinmeng1)
  • Li Yang (@lignay)
  • Lin Junhong (@iamlinjunhong)
  • lni (@lni)
  • Long Ran (@aunjgr)
  • Peng Zhen (@daviszhen)
  • Qin Shuqi (@sukki37)
  • Shen JiangWei(@LeftHandCold)
  • Jian Wang(@jianwan0214)
  • broccoliSpicy(@broccoliSpicy)
  • Ryan Wang(@wanglei4687)
  • Xiong Jingjuan (@anitajjx)
  • Xu Peng (@XuPeng-SH)
  • Yan Wenze(@nnsgmsone)
  • Yuesheng Li(@reusee)
  • Zilong Zhou (@zzl200012)
  • Zhang Yingfeng (@yingfeng)