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Posted to issues@calcite.apache.org by "Jess Balint (Jira)" <ji...@apache.org> on 2023/02/07 22:34:01 UTC

[jira] [Closed] (CALCITE-5414) Use DateTimeUtils to correctly convert between java.sql types and Unix timestamps

     [ https://issues.apache.org/jira/browse/CALCITE-5414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jess Balint closed CALCITE-5414.
--------------------------------

Resolved in release 1.33.0 (2023-02-06)

> Use DateTimeUtils to correctly convert between java.sql types and Unix timestamps
> ---------------------------------------------------------------------------------
>
>                 Key: CALCITE-5414
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5414
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.32.0
>            Reporter: Gregory Hart
>            Assignee: Gregory Hart
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.33.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> Converting java.sql types to unix timestamps requires extra steps to also convert to the correct calendar. Unix timestamps should follow the proleptic Gregorian calendar as defined by ISO-8601. Java uses the standard Gregorian calendar for java.sql types and switches to the Julian calendar for dates before the Gregorian shift.
> The DateTimeUtils class in Avatica correctly handles the calendar conversions. Calcite should use those methods since its own methods do not currently convert between calendars.



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