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https://issues.apache.org/jira/browse/PIG-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115098#comment-13115098
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Daniel Dai commented on PIG-2303:
---------------------------------
I still didn't see. I run this with success:
{code}
A = LOAD 'student.txt' USING PigStorage(',') AS (name:chararray, age:int,
gpa:chararray);
B = group A by age;
C = foreach B generate MAX(A.name) as maxName: chararray;
explain C;
{code}
describe C gives me:
C: {maxName: chararray}
I'm using Pig 0.9.0.
> FOREACH doesn't allow explicit schema for MAX() result to be chararray
> ----------------------------------------------------------------------
>
> Key: PIG-2303
> URL: https://issues.apache.org/jira/browse/PIG-2303
> Project: Pig
> Issue Type: Bug
> Components: parser
> Affects Versions: 0.9.0
> Reporter: Graham Lea
> Priority: Trivial
>
> Here: http://pig.apache.org/docs/r0.9.0/func.html#max
> It says MIN/Max can be used on chararray, but the result of those functions
> is always a double.
> Had to search through the Pig Javadoc to find that I should use
> StringMin/StringMax instead.
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