Dinosauria

A column needs to be added to explain what operations are required for the parameter items of each xml file to take effect，such as reload? reload-all? or restart dble?

Extra columns may exists on the line of \ on the page [Function & Operators](https://actiontech.github.io/dble-docs-cn/3.SQL_Syntax/3.10_func_and_operators.html)   

**Description** Fail to support aggregation scene：When use sql insert PK table（auto-increment） with PK value as null **Steps to reproduce the issue:** 1. [do as case steps](http://10.186.18.20:888/testlink/linkto.php?tprojectPrefix=DTLE&item=testcase&id=DTLE-196) 2. table defition ```sql...