Wait did he implement outputSchema? According to the wiki without providing scheme pig assumes it's a single field of type byte array.
http://wiki.apache.org/pig/UDFManual Is that the problem? Sent from my iPhone On Feb 9, 2011, at 7:39 PM, "Daniel Dai (JIRA)" <[email protected]> wrote: > > [ > https://issues.apache.org/jira/browse/PIG-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12992838#comment-12992838 > ] > > Daniel Dai commented on PIG-1841: > --------------------------------- > > +1 > >> TupleSize implemented incorrectly >> --------------------------------- >> >> Key: PIG-1841 >> URL: https://issues.apache.org/jira/browse/PIG-1841 >> Project: Pig >> Issue Type: Bug >> Affects Versions: 0.8.0 >> Reporter: Eric Tschetter >> Assignee: Laukik Chitnis >> Fix For: 0.8.0, 0.9.0 >> >> Attachments: PIG-1841.patch >> >> >> I sent this to the list: >> I'm looking at Pig's TupleSize implementation and wondering if it's >> implemented correctly: >> @Override >> public Long exec(Tuple input) throws IOException { >> try{ >> if (input == null) return null; >> return Long.valueOf(input.size()); >> }catch(Exception e){ >> int errCode = 2106; >> String msg = "Error while computing size in " + >> this.getClass().getSimpleName(); >> throw new ExecException(msg, errCode, PigException.BUG, >> e); >> } >> } >> I have a script that looks like >> A = FOREACH A GENERATE STRSPLIT(value, '\u0001') AS values; >> B = FOREACH B GENERATE values, SIZE(values) AS cnt; >> and cnt always ends up as 1. From the code, it looks like TupleSize >> is intended to only return the number of arguments into the SIZE() >> UDF? Is that really the intention and I'm using the SIZE() UDF wrong? >> Or, is it just a bug and it's supposed to be written as "return >> Long.valueOf(((Tuple) input.get(0)).size()))"? >> I got this response back: >> This is definitely a bug. Can you open a Jira ticket? >> Done! > > -- > This message is automatically generated by JIRA. > - > For more information on JIRA, see: http://www.atlassian.com/software/jira > >
