Jason Peng

【翻译】摘要的第一句话

2

Raft is a consensus algorithm for managing a replicated log中的consensus algorithm 按共识算法来看是不是会比一致性算法更好一些？共识和一致我感觉还是有一些差异的， 比如三个人，两个人同意，第三个人不同意算共识，但是一致我理解三个人都得统一。

**What would you like to be added**: Here are some possible reasons for the closure: 1000: Normal closure 1001: Going away 1002: Protocol error 1003: Unsupported data 1004: Too large...

Four arithmetic operations between aggregation functions are not supported

12

``` select sum(1)/count(1) from dual select sum(1)/7 from dual select sum(1)*3 from dual ``` The sql parser cannot parse this kind of sql

unsupported expression CaseExpr

2

how can i use case when in octosql ``` couldn't parse aliased expression: &{Expr: Whens:[0xc000522a20] Else:0xc000522a40}: unsupported expression &{Expr: Whens:[0xc000522a20] Else:0xc000522a40} of type *sqlparser.CaseExpr ```

GroupBy dimension not work, need replace with distinct

3

``` select cname from dual group by cname ``` the sql will return the same value in one column.

Logs of different security protocols can be adjusted when creating real-time tables.

1

When the security protocol of kafka is SASL_PLAINTEXT, if I use SASL_SSL to create a realtime table, the log of fetch topic timeout will appear instead of the log of...