cast ends up with NULL value
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Key: PIG-1222
URL: https://issues.apache.org/jira/browse/PIG-1222
Project: Pig
Issue Type: Bug
Reporter: Ying He
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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