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Posted to notifications@superset.apache.org by GitBox <gi...@apache.org> on 2021/06/30 14:31:43 UTC
[GitHub] [superset] asafcombo opened a new issue #15476: [Clickhouse] No Field Class
asafcombo opened a new issue #15476:
URL: https://github.com/apache/superset/issues/15476
When selecting on a table with fields of non standard type, a
`No Field Class of <TYPE>` error is displayed.
This happens with 'simple' types such as tuples or with more complex types as:
`SimpleAggregateFunction(sum, UInt64)`
or
`AggregateFunction(uniq, String)`
Currently the workaround is to manually CAST the field into its proper type.
A more elegant solution would be that superset would cast it by the type automatically.
So for a column such as
```
`count` SimpleAggregateFunction(sum, UInt64)
```
superset should understand the type is Uint64 and do
`CAST(count as Uint64)`
For tuples the only method I found was to cast it as String
related to https://github.com/apache/superset/issues/14445
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[GitHub] [superset] asafcombo commented on issue #15476: [Clickhouse] No Field Class
Posted by GitBox <gi...@apache.org>.
asafcombo commented on issue #15476:
URL: https://github.com/apache/superset/issues/15476#issuecomment-899389461
I can confirm that according to my testing the latest "git+https://github.com/xzkostyan/clickhouse-sqlalchemy.git" is sufficient to fix the error.
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[GitHub] [superset] Slach commented on issue #15476: [Clickhouse] No Field Class
Posted by GitBox <gi...@apache.org>.
Slach commented on issue #15476:
URL: https://github.com/apache/superset/issues/15476#issuecomment-897826463
look like `latest` superset + latest clickhouse-sqlalchemy already resolve `issue`
@asafcombo could you check 1.2.0 version with your data
https://gist.github.com/Slach/ad926dfa30ceb4fe1d168c00c3da98e0?
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[GitHub] [superset] Slach commented on issue #15476: [Clickhouse] No Field Class
Posted by GitBox <gi...@apache.org>.
Slach commented on issue #15476:
URL: https://github.com/apache/superset/issues/15476#issuecomment-900061163
@junlincc could we close this issue?
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