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https://issues.apache.org/jira/browse/PIG-1222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates updated PIG-1222:
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Assignee: Alan Gates
Fix Version/s: 0.9.0
Priority: Minor (was: Major)
> cast ends up with NULL value
> ----------------------------
>
> Key: PIG-1222
> URL: https://issues.apache.org/jira/browse/PIG-1222
> Project: Pig
> Issue Type: Bug
> Reporter: Ying He
> Assignee: Alan Gates
> Priority: Minor
> Fix For: 0.9.0
>
>
> I want to generate data with bags, so I did this,
> take a simple text file b.txt
> 100 apple
> 200 orange
> 300 pear
> 400 apple
> then run query:
> a = load 'b.txt' as (id, f);
> b = group a by id;
> store b into 'g' using BinStorage();
> then run another query to load data generated from previous step.
> a = load 'g/part*' using BinStorage() as (id, d:bag{t:(v, s)});
> b = foreach a generate (double)id, flatten(d);
> dump b;
> then I got the following result:
> (,100,apple)
> (,100,apple)
> (,200,orange)
> (,200,apple)
> (,300,strawberry)
> (,300,pear)
> (,400,pear)
> the value for id is gone. If there is no cast, then the result is correct.
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