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SADeprecationWarning: DISTINCT ON is currently supported only by the PostgreSQL dialect. #234

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utapyngo opened this issue Feb 14, 2023 · 0 comments · Fixed by #293
Closed

SADeprecationWarning: DISTINCT ON is currently supported only by the PostgreSQL dialect. #234

utapyngo opened this issue Feb 14, 2023 · 0 comments · Fixed by #293

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@utapyngo
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When using .dictinct(Model.field) in a query, there is a deprecation warning:

SADeprecationWarning: DISTINCT ON is currently supported only by the PostgreSQL dialect. Use of DISTINCT ON for other backends is currently silently ignored, however this usage is deprecated, and will raise CompileError in a future release for all backends that do not support this syntax.

According to the documentation, Clickhouse supports DISTINCT ON.

Versions

  • clickhouse-sqlalchemy @ git+https://github.com/xzkostyan/clickhouse-sqlalchemy@03e369d75359d9d10a5d205caed86d3901f23142
  • Python 3.10.
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Add support for SELECT ON aronbierbaum/clickhouse-sqlalchemy
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