[jira] [Assigned] (CALCITE-3867) Support RelDistribution json serialization

["Krisztian Kasa (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-3867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Kasa reassigned CALCITE-3867:
---------------------------------------

    Assignee: Krisztian Kasa

> Support RelDistribution json serialization
> ------------------------------------------
>
>                 Key: CALCITE-3867
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3867
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.21.0
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> Relational expression *Exchange* has a *distribution* field. When serializing to/from json this field can not be serialized properly.
> The distribution field is a *RelDistribution* which contains a type and a list of key indexes.
> Add methods to RelJson:
> {code}
> RelDistribution toDistribution(Map<String, Object> map){...}
> Object toJson(RelDistribution relDistribution) {...}
> {code}



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