* Update db setup fixture scope
* Load data into db only once
* Update fixture scopes for data loading
* cleanup imports
* try import
* Update scope
* fix cleanup
* Import all fixtures
* Separate data log and metadata creation
* Retain table description
* fix dtype
Co-authored-by: Bogdan Kyryliuk <bogdankyryliuk@dropbox.com>
* 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: add support for generic series limit
* refine series_columns logic
* update docs
* bump superset-ui
* add note to UPDATING.md
* remove default value for timeseries_limit
* feat(cross-filters): add support for temporal filters
* fix test
* make filter optional
* remove mocks
* fix more tests
* remove unnecessary optionality
* fix even more tests
* bump superset-ui
* add isExtra to schema
* address comments
* fix presto test