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https://issues.apache.org/jira/browse/PIG-3114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581782#comment-13581782
]
Rohini Palaniswamy commented on PIG-3114:
-----------------------------------------
[~chetan.nadgire],
Is it not possible for you to use a different PigServer instance for each
test case? Clearing the scriptCache in the registerScript() might break test
cases of other users who register script multiple times with different scripts.
Also clearing just the current DAG might not work when there are nested
scripts (Look for the graphs LinkedList in PigServer which stores multiple
graphs)
> Duplicated macro name error when using pigunit
> ----------------------------------------------
>
> Key: PIG-3114
> URL: https://issues.apache.org/jira/browse/PIG-3114
> Project: Pig
> Issue Type: Bug
> Components: parser
> Affects Versions: 0.11
> Reporter: Chetan Nadgire
> Assignee: Chetan Nadgire
> Fix For: 0.12
>
> Attachments: PIG-3114.patch, PIG-3114.patch
>
>
> I'm using PigUnit to test a pig script within which a macro is defined.
> Pig runs fine on cluster but getting parsing error with pigunit.
> So I tried very basic pig script with macro and getting similar error.
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during
> parsing. <line 9> null. Reason: Duplicated macro name 'my_macro_1'
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1607)
> at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1546)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:516)
> at
> org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:988)
> at
> org.apache.pig.pigunit.pig.GruntParser.processPig(GruntParser.java:61)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:412)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
> at
> org.apache.pig.pigunit.pig.PigServer.registerScript(PigServer.java:56)
> at org.apache.pig.pigunit.PigTest.registerScript(PigTest.java:160)
> at org.apache.pig.pigunit.PigTest.assertOutput(PigTest.java:231)
> at org.apache.pig.pigunit.PigTest.assertOutput(PigTest.java:261)
> at FirstPigTest.MyPigTest.testTop2Queries(MyPigTest.java:32)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at junit.framework.TestCase.runTest(TestCase.java:176)
> at junit.framework.TestCase.runBare(TestCase.java:141)
> at junit.framework.TestResult$1.protect(TestResult.java:122)
> at junit.framework.TestResult.runProtected(TestResult.java:142)
> at junit.framework.TestResult.run(TestResult.java:125)
> at junit.framework.TestCase.run(TestCase.java:129)
> at junit.framework.TestSuite.runTest(TestSuite.java:255)
> at junit.framework.TestSuite.run(TestSuite.java:250)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> Caused by: Failed to parse: <line 9> null. Reason: Duplicated macro name
> 'my_macro_1'
> at
> org.apache.pig.parser.QueryParserDriver.makeMacroDef(QueryParserDriver.java:406)
> at
> org.apache.pig.parser.QueryParserDriver.expandMacro(QueryParserDriver.java:277)
> at
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:178)
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1599)
> ... 30 more
>
> Pig script which is failing :
> {code:title=test.pig|borderStyle=solid}
> DEFINE my_macro_1 (QUERY, A) RETURNS C {
> $C = ORDER $QUERY BY total DESC, $A;
> } ;
> data = LOAD 'input' AS (query:CHARARRAY);
> queries_group = GROUP data BY query;
> queries_count = FOREACH queries_group GENERATE group AS query, COUNT(data) AS
> total;
> queries_ordered = my_macro_1(queries_count, query);
> queries_limit = LIMIT queries_ordered 2;
> STORE queries_limit INTO 'output';
> {code}
> If I remove macro pigunit works fine. Even just defining macro without using
> it results in parsing error.
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