JAN

Results 4 issues of JAN

1. buffered mode is used to read/write huge data. 2. Insert `schema.table` will show error exception.

## Expected behavior can support the select some area in the result like excel? like this ![image](https://user-images.githubusercontent.com/24731867/33763799-d2233e78-dc4c-11e7-85a4-e50453463ba6.png) ## Current behavior Because I just can copy the result which selected. ![image](https://user-images.githubusercontent.com/24731867/33763516-c4c6f108-dc4b-11e7-86eb-12da71480f1c.png)...

feature

### Preflight Checklist * [x] I agree to follow the [Code of Conduct](https://github.com/jgraph/drawio/blob/master/CODE_OF_CONDUCT.md) that this project adheres to. * [x] I have searched the issue tracker for a feature request...

Waiting for response

**Describe the bug** The extension doesn't have any action after install. command line has normal behavior. **To Reproduce** Steps to reproduce the behavior: 1. just install extension 2. Click Format...

bug
help wanted