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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2019/08/26 18:49:00 UTC

[jira] [Commented] (CALCITE-3260) Add a public API for evaluating linq4j Expression nodes

    [ https://issues.apache.org/jira/browse/CALCITE-3260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916056#comment-16916056 ] 

Julian Hyde commented on CALCITE-3260:
--------------------------------------

Reviewing now.

> Add a public API for evaluating linq4j Expression nodes
> -------------------------------------------------------
>
>                 Key: CALCITE-3260
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3260
>             Project: Calcite
>          Issue Type: New Feature
>            Reporter: Wang Yanlin
>            Assignee: Julian Hyde
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.21.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently, the public method *evaluate* of AbstractNode need a Evaluator object as parameter, but Evaluator class has default access control. This limit the access of *evaluate* method. So may be we can add an overload *evaluate* method with default Evaluator, thus, allow to evaluate Expression directly.



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