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https://issues.apache.org/jira/browse/METAMODEL-30?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13826521#comment-13826521
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Kasper Sørensen commented on METAMODEL-30:
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I have attached my proposed patch for the issue.
Please raise any concerns, VOTE or else we'll push based on lazy concensus.
> CsvDataContext.executeCountQuery breaks if Resource.getSize() returns -1
> ------------------------------------------------------------------------
>
> Key: METAMODEL-30
> URL: https://issues.apache.org/jira/browse/METAMODEL-30
> Project: Metamodel
> Issue Type: Bug
> Reporter: Kasper Sørensen
> Assignee: Kasper Sørensen
> Attachments: METAMODEL-30.patch
>
>
> On line 282 of CsvDataContext we check the size of the CSV resource
> (typically file) like this:
> final long length = _resource.getSize();
> But the Resource interface says that a resource may return -1 to this method,
> if the size is not determinable.
> In that case our code breaks since there will eventually be a negative sample
> data array created from this value.
> Rather we should check for the exceptional -1 value and handle the sample
> array size accordingly.
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