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https://issues.apache.org/jira/browse/PIG-1885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005904#comment-13005904
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Alan Gates commented on PIG-1885:
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Patch looks good. I'll run the unit tests and test_patch.
> SUBSTRING fails when input length less than start
> -------------------------------------------------
>
> Key: PIG-1885
> URL: https://issues.apache.org/jira/browse/PIG-1885
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0, 0.9.0
> Reporter: Alan Gates
> Assignee: Deepak Kumar V
> Priority: Minor
> Fix For: 0.9.0
>
> Attachments: PIG-1885.txt, PIG-1885.txt
>
>
> SUBSTRING throws an error if it gets a string which has a length less than
> its start value. For example, SUBSTRING(x, 100, 120) will fail with any
> chararray of length less than 100. It should return null instead.
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