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https://issues.apache.org/jira/browse/TAJO-1499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14396327#comment-14396327
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ASF GitHub Bot commented on TAJO-1499:
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Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/500#issuecomment-89813209
Thanks. I added an unit test.
> Check the bind status when EvalNode::eval() is called
> -----------------------------------------------------
>
> Key: TAJO-1499
> URL: https://issues.apache.org/jira/browse/TAJO-1499
> Project: Tajo
> Issue Type: Improvement
> Components: operator/expression
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.11.0
>
> Attachments: TAJO-1499.patch, TAJO-1499_2.patch
>
>
> The bind() function must be called before eval(). So, we should add a routine
> to check the binding state.
> Please refer to the discussion at https://github.com/apache/tajo/pull/456.
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