* Moving appbuilder.xxx out of view files ands into app.py
* Pulled url map converters out into their own file
* Adding license blurb
* Linting
* Linting again...
* Use PyArrow Table for query result serialization
* Cleanup dev comments
* Additional cleanup
* WIP: tests
* Remove explicit dtype logic from db_engine_specs
* Remove obsolete column property
* SupersetTable column types
* Port SupersetDataFrame methods to SupersetTable
* Add test for nullable boolean columns
* Support datetime values with timezone offsets
* Black formatting
* Pylint
* More linting/formatting
* Resolve issue with timezones not appearing in results
* Types
* Enable running of tests in tests/db_engine_specs
* Resolve application context errors
* Refactor and add tests for pyodbc.Row conversion
* Appease isort, regardless of isort:skip
* Re-enable RESULTS_BACKEND_USE_MSGPACK default based on benchmarks
* Dataframe typing and nits
* Renames to reduce ambiguity
* separators removed, "childs" changed to "children"
* changing `children` back to `childs`... it's baked in somewhere in Fab
* linting
* reverting changes to MenuObject
* adding separator above Druid menu items
* [superset] Slight performance improvement, remove SQLA first
* [superset] Slight performance improvement, remove SQLA first
* [superset] black it
* [superset] Revert warm up cache change
* [superset] Fix warm up cache slice_id may be none
* [superset] Reverted changes of methods one by get
* [superset] Reverted changes of methods one by get
* Build support for schema access in Superset and SQLab
* Lint
* Test for old and new flask
* Black formatting
* Cleanup modified files
* Support schema permissions
* Add migration
* Make it work for slices as well
* TODO and remove unused field
* Apply schema access check to dashboards as well
Cleaner schema permissions check
Fetch schema permissions in 1 query
Bugfix
Better datasource check
Use security manager for permissions checks and remove dead code
Properly handle anon user
Add database permissions on the database updates
Fix schema filtering
Lint / flake changes
Increase cypress request timeout
Run black
Resolve multiple alembic heads
* Use set comprehensions
* Fixes for the pylint
* slightly decouple sql_json, queries, and results http endpoints from biz logic
* fix syntax errors
* add some type annotations, fix a bug
* remove unnecessary var decl and assign
* add a lot more type annotations to fix tests
* fix mypy issues
* First cut at app factory
* Setting things back to master
* Working with new FLASK_APP
* Still need to refactor Celery
* CLI mostly working
* Working on unit tests
* Moving cli stuff around a bit
* Removing get in config
* Defaulting test config
* Adding flask-testing
* flask-testing casing
* resultsbackend property bug
* Fixing up cli
* Quick fix for KV api
* Working on save slice
* Fixed core_tests
* Fixed utils_tests
* Most tests working - still need to dig into remaining app_context issue in tests
* All tests passing locally - need to update code comments
* Fixing dashboard tests again
* Blacking
* Sorting imports
* linting
* removing envvar mangling
* blacking
* Fixing unit tests
* isorting
* licensing
* fixing mysql tests
* fixing cypress?
* fixing .flaskenv
* fixing test app_ctx
* fixing cypress
* moving manifest processor around
* moving results backend manager around
* Cleaning up __init__ a bit more
* Addressing PR comments
* Addressing PR comments
* Blacking
* Fixes for running celery worker
* Tuning isort
* Blacking
* adds react based menu for welcome view
* bump fab
* better logic in common_bootstrap_payload
* split up files
* fix spacing and module scope styles
* lint
* render correct template for welcome
* [fix] csv upload when table metadata present
* Remove table from hive spec
* Move upload before table metadata creation
* Refine upload logic, dd unit tests and fix translations
* Use ALLOWED_EXTENSIONS from config
* Address review comments
* Fix error message grammar
* Add return type to hive csv upload and replace first with one_or_none
* Typo fix in CONTRIBUTING.md
* Alter references to config.get('FOO') to use preferred config['FOO']
* Set missing configuration constants in superset/config.py
* Misc. CI fixes
* Add type annotation for FEATURE_FLATGS
