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Posted to jira@arrow.apache.org by "Uwe Korn (Jira)" <ji...@apache.org> on 2021/01/10 20:44:00 UTC

[jira] [Commented] (ARROW-10853) [Java] Undeprecate sqlToArrow helpers

    [ https://issues.apache.org/jira/browse/ARROW-10853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262274#comment-17262274 ] 

Uwe Korn commented on ARROW-10853:
----------------------------------

After using the non-deprecated interface for a bit, I think we can close this. It was a bit fiddly at first but having read thrice over the code I came up with a okish looking and not too complex Python/Java code to use it.

Cross-reference: I use this in https://uwekorn.com/2020/12/30/fast-jdbc-revisited.html 

> [Java] Undeprecate sqlToArrow helpers
> -------------------------------------
>
>                 Key: ARROW-10853
>                 URL: https://issues.apache.org/jira/browse/ARROW-10853
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>    Affects Versions: 2.0.0
>            Reporter: Uwe Korn
>            Assignee: Uwe Korn
>            Priority: Major
>             Fix For: 3.0.0
>
>
> These helper functions are really useful when called from Python as they deal with a lot of "internals" of Java that we don't want to handle from the Python side. We rather would keep using these functions.
> Note that some of them are broken due to recent refactoring and only return 1024 rows (the default iterator size) without the ability to change that.



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