* abstract boilerplate code into class and rename csv to file
* add db migration
* fix some stuff
* more renaming of csv to file
* rename in translations
* update down revision
* update down revision
* bump chart version
* switch to alter column name approach in db migration
* fix db migration for MySQL
* db migration conflict
* feat: cancel db query on stop
* fix pylint
* Add unit tests
* Do not bind multiple times
* Stop only running queries
* Postgres to cancel only the required query
* Remove extra log
* Add docstring
* Better types, docstring and naming
* Use python3 format strings
* Update superset/sql_lab.py
Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>
* Add cancel_query_on_windows_unload option to database
* Return cancel_query as bool
Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>