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Posted to issues@calcite.apache.org by "Michael Mior (JIRA)" <ji...@apache.org> on 2019/07/23 13:29:00 UTC

[jira] [Commented] (CALCITE-3177) Deserialize from json of + operator cause exception

    [ https://issues.apache.org/jira/browse/CALCITE-3177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890995#comment-16890995 ] 

Michael Mior commented on CALCITE-3177:
---------------------------------------

Thanks for the contribution! I left one minor comment on your PR, but overall it looks good. (As a small side note, in the future it's easier to read stack traces if you just paste the text in the issue inside a code block.)

> Deserialize from json of + operator cause exception
> ---------------------------------------------------
>
>                 Key: CALCITE-3177
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3177
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Wang Yanlin
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: error_info.jpg
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> For a simple sql string "select SAL + 10 FROM SALES.EMP", parse it to RelNode, serialize it to json string works well, but deserialize from the json string cause exception. The error stack is in the error_info.jpg picture.



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