Vivek, that issue has been reported -- it's pig thinking you are trying to use the new (as of 0.8) scalar feature.
On Oct 17, 2011, at 4:10 AM, "Vivek Padmanabhan (Commented) (JIRA)" <j...@apache.org> wrote: > > [ > https://issues.apache.org/jira/browse/PIG-2321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13128789#comment-13128789 > ] > > Vivek Padmanabhan commented on PIG-2321: > ---------------------------------------- > > The same script with 0.7 fails during the compile phase itself with the below > message; > > ERROR 1000: Error during parsing. Invalid alias: b2 in {group: (type: > chararray,frcode: bytearray),a0: {frcode: bytearray,type: chararray,src_pty: > chararray,srcpvid: chararray,src_spaceid: chararray,pageparams: bytearray}} > >> Pig 0.9 generates an improper MR plan >> ------------------------------------- >> >> Key: PIG-2321 >> URL: https://issues.apache.org/jira/browse/PIG-2321 >> Project: Pig >> Issue Type: Bug >> Affects Versions: 0.8.1, 0.9.0 >> Reporter: Vivek Padmanabhan >> Priority: Minor >> >> The below script compiles and the MR plan has 3 jobs. But the script will >> always fail. >> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer >> - MR plan size before optimization: 3 >> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer >> - MR plan size after optimization: 2 >> {code} >> a0 = load 'i1' as >> (frcode,type:chararray,src_pty:chararray,srcpvid:chararray,src_spaceid:chararray,pageparams); >> b2 = group a0 by (type, frcode) parallel 2; >> b3 = foreach b2 generate COUNT_STAR(b2.$0) as num_clicks,flatten(group) ; >> store b3 into 'junkout3'; >> {code} >> The script fails due to improper reference at COUNT_STAR(b2.$0) . But this >> validation should be done at the compile time. > > -- > This message is automatically generated by JIRA. > If you think it was sent incorrectly, please contact your JIRA > administrators: > https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa > For more information on JIRA, see: http://www.atlassian.com/software/jira > >
