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Posted to notifications@iotdb.apache.org by "Zhong Wang (Jira)" <ji...@apache.org> on 2021/11/09 03:09:00 UTC

[jira] [Assigned] (IOTDB-1885) Support type inference

     [ https://issues.apache.org/jira/browse/IOTDB-1885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhong Wang reassigned IOTDB-1885:
---------------------------------

    Assignee: Zhong Wang

> Support type inference
> ----------------------
>
>                 Key: IOTDB-1885
>                 URL: https://issues.apache.org/jira/browse/IOTDB-1885
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: Core/Engine
>            Reporter: Zhong Wang
>            Assignee: Zhong Wang
>            Priority: Major
>
> Currently, arithmetic operation's inputs/outputs are treated as doubles (See: ArithmeticBinaryTransformer#evaluate). But sometimes this can be really unintuitive. For example, the sum of two int32 time series results in a double.
> Since we have the metadata of every time series that takes part in the calculation, we can implement type inference to make the results more intuitive.



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