* 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>
* feat(explore): export csv data pivoted for Pivot Table
* Implement dropdown with download csv options
* Change label to "Original"
* Add tests
* Add form data to query context
* Add form data to query context generator
* Explicitly make form_data optional
* fix: set correct schema on config import
* Fix lint
* Fix test
* Fix tests
* Fix another test
* Fix another test
* Fix base test
* Add helper function
* Fix examples
* Fix test
* Fix test
* Fixing more tests
* 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
* rebase master and resolve conflicts
* pylint to makefile
* fix crash when pivot operator
* fix comments
* add precision argument
* query test
* wip
* fix ut
* rename
* set time_offsets to cache key
wip
* refactor get_df_payload
wip
* extra query cache
* cache ut
* normalize df
* fix timeoffset
* fix ut
* make cache key logging sense
* resolve conflicts
* backend follow up iteration 1
wip
* rolling window type
* rebase master
* py lint and minor follow ups
* pylintrc