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https://issues.apache.org/jira/browse/HAWQ-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming LI resolved HAWQ-1000.
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Resolution: Fixed
> Set dummy workfile pointer to NULL after calling ExecWorkFile_Close()
> ---------------------------------------------------------------------
>
> Key: HAWQ-1000
> URL: https://issues.apache.org/jira/browse/HAWQ-1000
> Project: Apache HAWQ
> Issue Type: Bug
> Reporter: Ming LI
> Assignee: Ming LI
> Fix For: 2.0.1.0-incubating
>
>
> The parameter workfile for ExecWorkFile_Close() is freed in this function,
> but in the calling function outside, the pointer variable still exists, we
> need to set it to NULL pointer immediately, otherwise it will use some freed
> pointer afterward.
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