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