Aleksey Vyskubov

As a workaround I'm using Sed for Windows to remove the last line with the warning as follows: ``` q "SELECT 1" > result.tmp sed "$d" result.tmp 1> result.csv ```

The error "pure virtual method called" happens on 146 line. And now I caught it on patched version of kspp. So, it may be that we are calling a `parse()`...

That will do. Now segfault'd gone. Should I create new PR without mistakes or you squash these commits? Or you want to see more deeply why the error happens?

Thanks for reviewing! 1. I have reverted all the whitespace-only changes. I apologize for mistakenly committing them. Regarding the replacement of `at(pos)` with `[pos]`, these changes were already present in...

I apologize for for temporarily abandoning this PR. I would like to complete the work on it; however, I currently have more urgent tasks to attend to. Furthermore, I do...