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Santhosh Srinivasan commented on PIG-693: ----------------------------------------- I will be reviewing this patch. > Parameter to UDF which is an alias returned in another UDF in nested foreach > causes incorrect results > ----------------------------------------------------------------------------------------------------- > > Key: PIG-693 > URL: https://issues.apache.org/jira/browse/PIG-693 > Project: Pig > Issue Type: Bug > Components: impl > Affects Versions: 1.0.0 > Reporter: Viraj Bhat > Assignee: Thejas M Nair > Attachments: 693.patch, 693.utest.patch, one.txt, REPLACEALL.java, > URLDECODE.java > > > Consider the following Pig Script > {code} > register myudf.jar; > A = load 'one.txt' using PigStorage() as ( one: int ); --use this dummy file > to start execution > B = foreach A { > dec = myudf.URLDECODE('hello'); > str1 = myudf.REPLACEALL(dec, '[\\u0000-\\u0020]', ' '); -- ERROR > str2 = myudf.REPLACEALL('hello', '[\\u0000-\\u0020]', ' '); > generate > dec, > str1, > str2; > }; > describe B; > dump B; > {code} > where one.txt is a file which contains number one (1) for starting execution > of the Pig script!! > {code} > describe B; > {code} > returns the following: > B: {urldecode_9: chararray,replaceall_urldecode_10_11: > chararray,replaceall_12: chararray} > {code} > dump B; > {code} > returns > (hello,[\u0000-\u0020],hello) > The result should be: > There is a workaround for the same, > {code} > register myudf.jar; > A = load 'one.txt' using PigStorage() as ( one: int ); > B = foreach A { > dec = myudf.URLDECODE('hello'); > generate > dec as dec, > myudf.REPLACEALL(dec, '[\\u0000-\\u0020]', ' ') as str1, > myudf.REPLACEALL('hello', '[\\u0000-\\u0020]', ' ') as str2; > }; > describe B; > dump B; > {code} > where > {code} > dump B; > {code} > returns (hello,hello,hello) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.