* [sqllab] add support for results backends
Long running SQL queries (beyond the scope of a web request) can now use
a k/v store to hold their result sets.
* Addressing comments, fixed js tests
* Fixing mysql has gone away
* Adressing more comments
* Touchups
* Improving the Visualize flow
* Fixed the timer
* CTAS
* Expiclit engine handling
* make tab full height, stretch for longer content (#1081)
* Better error handling for queries
* Hooked and fixed CSV export
* Linting
* Tying in the dttm in the viz flow
* Indicator showing when going offline
* Addressing comments, fixing the build
* Fixing unit tests
* [SQL Lab] Adding DB options for SQL LAb
each db can be exposed or not in SQL Lab
CTAS is an option
target_schema placeholder (not hooked yet, but would force the CTAS to
target a specific schema)
* Addressing comments
* Carapal react mockup
This is really just a mock up written in React to try different
components. It could become scaffolding to build a prototype, or not.
* Merging in Alanna's theme tweaks for SQL lab
* Tweak the display of the alert message in navbar
* Sketching the middleware refresh for Queries
* Adjustments
* Implement timer sync.
* CTAS
* Refactor the queries to be stored as a dict. (#994)
* Download csv endpoint. (#992)
* CSV download engdpoint.
* Use lower case booleans.
* Replcate loop with the object lookup by key.
* First changes for the sync
* Address comments
* Fix query deletions. Update only the queries from the store.
* Sync queries using tmp_id.
* simplify
* Fix the tests in the carapal. (#1023)
* Sync queries using tmp_id.
* Fix the unit tests
* Bux fixes. Pass 2.
* Tweakin' & linting
* Adding alpha label to the SQL LAb navbar entry
* Fixing the python unit tests
