[jira] [Created] (PIG-5048) HiveUDTF fail if it is the first expression in projection

["Daniel Dai (JIRA)" <ji...@apache.org>]

Daniel Dai created PIG-5048:
-------------------------------

             Summary: HiveUDTF fail if it is the first expression in projection
                 Key: PIG-5048
                 URL: https://issues.apache.org/jira/browse/PIG-5048
             Project: Pig
          Issue Type: Bug
          Components: impl
            Reporter: Daniel Dai
            Assignee: Daniel Dai
             Fix For: 0.17.0, 0.16.1


The following script fail:
{code}
define explode HiveUDTF('explode');
A = load 'bag.txt' as (a0:{(b0:chararray)});
B = foreach A generate explode(a0);
dump B;
{code}
Message: Unimplemented at org.apache.pig.data.UnlimitedNullTuple.size(UnlimitedNullTuple.java:31)

If it is not the first projection, the script pass:
{code}
define explode HiveUDTF('explode');
A = load 'bag.txt' as (a0:{(b0:chararray)});
B = foreach A generate a0, explode(a0);
dump B;
{code}



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