sazary opened a new issue #10574:
URL: https://github.com/apache/incubator-superset/issues/10574
When I try to render some polygons using deck.gl, it shows an error, noting
that `TypeError: Cannot use 'in' operator to search for 'geometry' in
undefined`.
### Expected results
Render polygons on screen. The datasource that I'm trying to render is this:
```
SELECT
now() as datetime,
name as name,
ST_AsGeoJSON(polygon) AS polygon
FROM public.area_driverarea
WHERE
polygon IS NOT NULL
and not archived
limit 1
```
And the result is this:
```
2020-08-11T14:31:29.670272+04:30 اکباتان
{"type":"Polygon","coordinates":[[[51.302861661377,35.7162896874761],[51.310581661377,35.7169196869251],[51.3356516613769,35.7117596914374],[51.3371016613769,35.7024896995422],[51.3341916613769,35.6999797017365],[51.301661661377,35.6993497022872],[51.302861661377,35.7162896874761]]]}
```
Please note that I've included the `datetime` column just to make sure that
lacking a time column isn't the source of error.
### Actual results
It shows an error. You can see it in the screenshot below and this is
printed in the browser's console:
```
react_devtools_backend.js:2273 TypeError: Cannot use 'in' operator to search
for 'geometry' in undefined
at I (27.2a2d76d7d2deda70e1c0.chunk.js:1)
at Array.flatMap (<anonymous>)
at Function.getDerivedStateFromProps (27.2a2d76d7d2deda70e1c0.chunk.js:1)
at new V (27.2a2d76d7d2deda70e1c0.chunk.js:1)
at yo (explore.e9de4d7e8c553ec56a7b.entry.js:2)
at Ii (explore.e9de4d7e8c553ec56a7b.entry.js:2)
at gs (explore.e9de4d7e8c553ec56a7b.entry.js:2)
at lu (explore.e9de4d7e8c553ec56a7b.entry.js:2)
at su (explore.e9de4d7e8c553ec56a7b.entry.js:2)
at $s (explore.e9de4d7e8c553ec56a7b.entry.js:2)
```
#### Screenshots
#### How to reproduce the bug
1. Explore a chart with deck.gl polygon type.
2. Set it's polygon type to JSON
4. See error
### Environment
(please complete the following information):
- superset version: `0.36.0`
- python version: `3.6.11`
### Checklist
Make sure these boxes are checked before submitting your issue - thank you!
- [X] I have checked the superset logs for python stacktraces and included
it here as text if there are any.
- [X] I have reproduced the issue with at least the latest released version
of superset.
- [X] I have checked the issue tracker for the same issue and I haven't
found one similar.
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