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https://issues.apache.org/jira/browse/PIG-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Corinne Chandel updated PIG-1873:
---------------------------------
Resolution: Fixed
Release Note: Docs updated. See PIG-1772 and patch pig-1772-beta2-1.patch
Status: Resolved (was: Patch Available)
> Pig try to interpret UDF as Macro
> ---------------------------------
>
> Key: PIG-1873
> URL: https://issues.apache.org/jira/browse/PIG-1873
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.9.0
> Reporter: Daniel Dai
> Assignee: Corinne Chandel
> Fix For: 0.9.0
>
> Attachments: PIG-1873.patch
>
>
> The following script fail:
> {code}
> A = load '1.txt';
> B = group A by $0;
> C = foreach B {
> C1 = filter A by $0 > -1;
> C2 = distinct C1;
> C3 = distinct A;
> C4 = org.apache.pig.test.utils.Identity(*);
> C5 = COUNT(C2);
> C6 = SUM(C2.$1);
> C7 = org.apache.pig.test.TestEvalPipeline\$TitleNGrams(C3);
> C8 = MAX(C3.$1);
> generate (int)group, C4, C5, C6, C7, C8, C2;
> };
> dump C;
> {code}
> Stack:
> ERROR 2999: Unexpected internal error. Pig macro 'COUNT' must be defined
> before being invoked
> java.lang.RuntimeException: Pig macro 'COUNT' must be defined before being
> invoked
> at
> org.apache.pig.parser.MacroExpansion.mINLINE(MacroExpansion.java:509)
> at
> org.apache.pig.parser.MacroExpansion.mTokens(MacroExpansion.java:1240)
> at
> org.apache.pig.parser.MacroExpansion.nextToken(MacroExpansion.java:68)
> at org.apache.pig.parser.ParserUtil.expandMacros(ParserUtil.java:53)
> at
> org.apache.pig.parser.ParserUtil.getExpandedMacroAsBufferedReader(ParserUtil.java:89)
> at org.apache.pig.Main.run(Main.java:505)
> at org.apache.pig.Main.main(Main.java:108)
> Seems Pig try to interpret UDF COUNT as a Macro.
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