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Posted to issues@calcite.apache.org by "Magnus Mogren (Jira)" <ji...@apache.org> on 2023/03/02 16:10:00 UTC

[jira] [Updated] (CALCITE-5552) Returned timestamp is incorrect after the 100th row

     [ https://issues.apache.org/jira/browse/CALCITE-5552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Magnus Mogren updated CALCITE-5552:
-----------------------------------
    Summary: Returned timestamp is incorrect after the 100th row  (was: Returned timestamp is incorrect after the 100:th row)

> Returned timestamp is incorrect after the 100th row
> ---------------------------------------------------
>
>                 Key: CALCITE-5552
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5552
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.33.0
>            Reporter: Magnus Mogren
>            Priority: Critical
>         Attachments: TSTAMPS.csv
>
>
> When fetching data that contains timestamps the returned timestamp after row 100 is incorrect.
> This can be reproduced using the CSV adapter (calcite-csv) using the TSTAMPS.csv file attached. It contains 101 timestamps with the value 1900-01-01 00:00:00. The first 100 is returned correctly, but number 101 in the result has the value 1899-12-31 23:00:00 instead.
> Marking this bug as critical since not beeing able to trust the values returned by calcite is as bad as it gets in my opinion.
> I do not know if the bug is in calcite or avatica.
> I have created a project that reproduces the issue. You can find that here: [nytro77/calcite-timestamp-bug: Showcase bug in Calcite or Avatica that causes faulty timestamps to be returned (github.com)|https://github.com/nytro77/calcite-timestamp-bug]
> It starts an AvaticaServer that serves the attached file as a table using calcite-csv and a unit tests that connects to the server and fetches the data.
> Run it with 
> {code:java}
> ./mvnw test{code}



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