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Posted to notifications@superset.apache.org by GitBox <gi...@apache.org> on 2020/02/17 15:51:11 UTC
[GitHub] [incubator-superset] durchgedreht opened a new issue #9155:
Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
durchgedreht opened a new issue #9155: Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
URL: https://github.com/apache/incubator-superset/issues/9155
We're using Clickhouse database and have troubles with tables showing "Nulltype" for timestamp and varchar running on Superset 0.34.0rc1.
It's strange as JDBC like DBeaver work fine and also show correct column data. Also Superset seems to get the correct metadata as the error message shows "No field class for timestamp" or "No field class for varchar".
All other columns on the same table work ok and have no issue (int). Also this is the case for tables and views. This showed up in charts first, but also happen in SQL Lab. See screenshots attached:
<img width="819" alt="Screenshot 2020-02-17 at 16 45 14" src="https://user-images.githubusercontent.com/4490840/74668298-3cd0ec00-51a5-11ea-83ab-21009320da53.png">
<img width="1233" alt="Screenshot 2020-02-17 at 16 25 33" src="https://user-images.githubusercontent.com/4490840/74668305-3f334600-51a5-11ea-9ab9-e20b19f01029.png">
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[GitHub] [incubator-superset] durchgedreht commented on issue #9155:
Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
Posted by GitBox <gi...@apache.org>.
durchgedreht commented on issue #9155: Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
URL: https://github.com/apache/incubator-superset/issues/9155#issuecomment-589633054
Ok following up there. Thanks for the quick feedback - will close the issue.
Thanks for the great work in superset!
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[GitHub] [incubator-superset] mistercrunch commented on issue #9155:
Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
Posted by GitBox <gi...@apache.org>.
mistercrunch commented on issue #9155: Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
URL: https://github.com/apache/incubator-superset/issues/9155#issuecomment-587079069
I'm guessing that error is emitted by the `sqlalchemy-clickhouse` library. Can you get the stacktrace out of you server logs and share that here?
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[GitHub] [incubator-superset] villebro commented on issue #9155: Nulltype
shown for Timestamp and varchar types using Clickhouse 20.1.4.1
Posted by GitBox <gi...@apache.org>.
villebro commented on issue #9155: Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
URL: https://github.com/apache/incubator-superset/issues/9155#issuecomment-589513517
I agree with @mistercrunch , this is a problem in `sqlalchemy-clickhouse`: https://github.com/cloudflare/sqlalchemy-clickhouse/blob/master/connector.py#L99
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[GitHub] [incubator-superset] durchgedreht closed issue #9155: Nulltype
shown for Timestamp and varchar types using Clickhouse 20.1.4.1
Posted by GitBox <gi...@apache.org>.
durchgedreht closed issue #9155: Nulltype shown for Timestamp and varchar types using Clickhouse 20.1.4.1
URL: https://github.com/apache/incubator-superset/issues/9155
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