shashisingh opened a new issue #10200:
URL: https://github.com/apache/incubator-superset/issues/10200
I was running version 0.35.2 of superset in a docker container. I had
created a druid database instance on that setup. I had created a chart (part of
a dashboard) that queries druid database through SQL interface. Recently I
upgraded the build to the latest version (master latest as of today). I ran
"superset db upgrade" followed by "superset init" commands after the upgrade.
After this I try to load the dashboard (and the chart) that connected to druid
database.
### Expected results
The chart should show valid content.
### Actual results
I see "Empty query?" error instead of actual chart content.
Stack Trace is shown below ---
Exception: Empty query?
ERROR:superset.viz:Empty query?
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/superset/viz.py", line 463,
in get_df_payload
df = self.get_df(query_obj)
File "/usr/local/lib/python3.6/site-packages/superset/viz.py", line 240,
in get_df
self.results = self.datasource.query(query_obj)
File
"/usr/local/lib/python3.6/site-packages/superset/connectors/sqla/models.py",
line 1128, in query
query_str_ext = self.get_query_str_extended(query_obj)
File
"/usr/local/lib/python3.6/site-packages/superset/connectors/sqla/models.py",
line 655, in get_query_str_extended
sqlaq = self.get_sqla_query(**query_obj)
File
"/usr/local/lib/python3.6/site-packages/superset/connectors/sqla/models.py",
line 798, in get_sqla_query
raise Exception(_("Empty query?"))
Exception: Empty query?
### Environment
- superset version: 0.999.0dev
- python version: 3.6.10
- node.js version: 13.6.0
- npm version: 6.13.4
### 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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