Behvaiour of COGROUP with and without schema when using "*" operator --------------------------------------------------------------------
Key: PIG-1064 URL: https://issues.apache.org/jira/browse/PIG-1064 Project: Pig Issue Type: Bug Components: impl Affects Versions: 0.6.0 Reporter: Viraj Bhat Fix For: 0.6.0 I have 2 tab separated files, "1.txt" and "2.txt" $ cat 1.txt ==================== 1 2 2 3 ==================== $ cat 2.txt 1 2 2 3 I use COGROUP feature of Pig in the following way: $java -cp pig.jar:$HADOOP_HOME org.apache.pig.Main {code} grunt> A = load '1.txt'; grunt> B = load '2.txt' as (b0, b1); grunt> C = cogroup A by *, B by *; {code} 2009-10-29 12:46:04,150 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1012: Each COGroup input has to have the same number of inner plans Details at logfile: pig_1256845224752.log ========================================================== If I reverse, the order of the schema's {code} grunt> A = load '1.txt' as (a0, a1); grunt> B = load '2.txt'; grunt> C = cogroup A by *, B by *; {code} 2009-10-29 12:49:27,869 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1013: Grouping attributes can either be star (*) or a list of expressions, but not both. Details at logfile: pig_1256845224752.log ========================================================== Now running without schema?? {code} grunt> A = load '1.txt'; grunt> B = load '2.txt'; grunt> C = cogroup A by *, B by *; grunt> dump C; {code} 2009-10-29 12:55:37,202 [main] INFO org.apache.pig.backend.local.executionengine.LocalPigLauncher - Successfully stored result in: "file:/tmp/temp-319926700/tmp-1990275961" 2009-10-29 12:55:37,202 [main] INFO org.apache.pig.backend.local.executionengine.LocalPigLauncher - Records written : 2 2009-10-29 12:55:37,202 [main] INFO org.apache.pig.backend.local.executionengine.LocalPigLauncher - Bytes written : 154 2009-10-29 12:55:37,202 [main] INFO org.apache.pig.backend.local.executionengine.LocalPigLauncher - 100% complete! 2009-10-29 12:55:37,202 [main] INFO org.apache.pig.backend.local.executionengine.LocalPigLauncher - Success!! ((1,2),{(1,2)},{(1,2)}) ((2,3),{(2,3)},{(2,3)}) ========================================================== Is this a bug or a feature? Viraj -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.