[jira] [Resolved] (CALCITE-2858) Improvements in JSON writer and reader for plans

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-2858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez resolved CALCITE-2858.
----------------------------------------------
    Resolution: Fixed

Fixed in [e94c1574e234ae58b7daac327ea8ce69d2873f22|https://gitbox.apache.org/repos/asf?p=calcite.git;a=commit;h=e94c1574e234ae58b7daac327ea8ce69d2873f22].

> Improvements in JSON writer and reader for plans
> ------------------------------------------------
>
>                 Key: CALCITE-2858
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2858
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.19.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> In particular:
> - JSON writer does not include information about literals type (unless the literal is null). This can lead to some ambiguity when parsing the plan back into RelNodes by the JSON reader. We will include this information in the writer, and we will be able to parse it back in the reader.
> - Decimal values are not printed/parsed back correctly; precision/scale is lost.
> - There is no support for RexOver (window) clauses. This issue includes support to print them in the writer and parse them back in the reader.
> - Change visibility in some methods in RelJson to make it easier to override some behavior in subclasses.



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