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Posted to issues@calcite.apache.org by "Danny Chan (JIRA)" <ji...@apache.org> on 2019/07/13 02:21:00 UTC

[jira] [Assigned] (CALCITE-3196) In Frameworks, add BasePrepareAction (a functional interface) and deprecate PrepareAction

     [ https://issues.apache.org/jira/browse/CALCITE-3196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Danny Chan reassigned CALCITE-3196:
-----------------------------------

    Assignee: Danny Chan

> In Frameworks, add BasePrepareAction (a functional interface) and deprecate PrepareAction
> -----------------------------------------------------------------------------------------
>
>                 Key: CALCITE-3196
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3196
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Danny Chan
>            Priority: Major
>
> In {{Frameworks}}, add {{interface BasePrepareAction}} (a functional interface) and deprecate {{abstract class PrepareAction}}. Because {{PrepareAction}} has a field ({{FrameworkConfig config}}), it cannot be implemented using a lambda. It is simpler and clearer to pass {{config}} as an argument to all methods where it is needed.
> {{PrepareAction}} was introduced in CALCITE-247.



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