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https://issues.apache.org/jira/browse/PIG-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617255#action_12617255
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Pradeep Kamath commented on PIG-336:
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One thing I noticed while working on fixing null issues in arithmetic
operations is currently the return type for Integer multiplication and addition
is an Integer.This could give wrong results when the integers are big and the
multiplication results in a value which cannot be stored in an integer - Should
the result be a Long?
> NULL checks are not in place in the types branch
> ------------------------------------------------
>
> Key: PIG-336
> URL: https://issues.apache.org/jira/browse/PIG-336
> Project: Pig
> Issue Type: Bug
> Affects Versions: types_branch
> Reporter: Pradeep Kamath
> Assignee: Pradeep Kamath
> Fix For: types_branch
>
> Attachments: PIG-336.patch
>
>
> The following code currently does not work
> {code}
> B = filter A by $0 is null and $1 is null;
> {code}
> Some other things which don't work with nulls include POAND, POOR etc
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