MatrixOne v0.4.0 Release Notes

We are excited to announce MatrixOne 0.4.0 release on 2022/5/5. Cheers!

Docker

docker pull matrixorigin/matrixone:0.4.0

Support inner join with equality operator.
Support subquery within from clause.
Support decimal data type.
Support following builtin functions:
- Mathematical: Abs, Log, Ln, Ceil, Exp, Power, Pi, Sin, Sinh, Cos, ACos, Tan, ATan, Cot
- Datetime: Month, Weekday, Date, DayOfYear
- String: Space, Reverse, Substring, Ltrim, Rtrim, StartsWith, EndsWith, Lpad, Rpad, Empty, LengthUTF8
Support following aggregate functions:
- Bit_and, Bit_or, Bit_xor, Stddev_pop, Var

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.

This release includes 253 commits by 50 authors.

We appreciate your contribution! Welcome to MatrixOne community.