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https://issues.apache.org/jira/browse/PIG-538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Santhosh Srinivasan reassigned PIG-538:
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Assignee: Pradeep Kamath (was: Santhosh Srinivasan)
> bincond can't work with flatten bags
> ------------------------------------
>
> Key: PIG-538
> URL: https://issues.apache.org/jira/browse/PIG-538
> Project: Pig
> Issue Type: Bug
> Affects Versions: types_branch
> Reporter: Olga Natkovich
> Assignee: Pradeep Kamath
> Fix For: types_branch
>
>
> The following script is user with trunk code to simulated outer join not
> directly supported by pig:
> A = load '/studenttab10k' as (name: chararray, age: int, gpa: float);
> B = load 'votertab10k' as (name: chararray, age: int, registration:
> chararray, donation: float);
> C = cogroup A by name, B by name;
> D = foreach C generate group, (IsEmpty(A) ? '' : flatten(A)), (IsEmpty(B) ?
> 'null' : flatten(B));
> On types branch this gives syntax error and even beyond that not supported
> since bincond requires that both expressions be of the same type. Santhosh
> suggested to have special NULL expression that matches any type. This seems
> to make sense.
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