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https://issues.apache.org/jira/browse/PIG-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969449#comment-13969449
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Sergey Svinarchuk commented on PIG-3772:
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I reproduced this issue. But I had next exception:
2014-04-15 13:16:19,047 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
1200: <line 4, column 21> mismatched input ';' expecting RIGHT_PAREN
And this issue reproduce in batch mode and interactive mode.
But it not reproduce if create test with this script.
This is problem in read and parse pig scripts. Because in
GruntParser.processPig(String cmd) input string for second command will be
{noformat}
B = foreach A generate
b,
(bag{tuple(long)}
{noformat}
> Syntax error when casting an inner schema of a bag and line break involved
> --------------------------------------------------------------------------
>
> Key: PIG-3772
> URL: https://issues.apache.org/jira/browse/PIG-3772
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.11.1
> Reporter: Haishan Liu
> Assignee: Sergey Svinarchuk
> Fix For: 0.13.0
>
>
> Hi,
> The following script fails with syntax error
> {code}
> A = load 'data' as (a:{(x:chararray, y:float)}, b:chararray);
> B = foreach A generate
> b,
> (bag{tuple(long)}) a.x as ax:{(x:long)};
> {code}
> where the cast statement is on its own line.
> The script fails with the following exception:
> {code}
> 19-02-2014 17:30:22 PST bug_script ERROR -
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during
> parsing. Syntax error, unexpected symbol at or near 'bag'
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1607)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1546)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.PigServer.registerQuery(PigServer.java:516)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:988)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:412)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.Main.run(Main.java:604)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.PigRunner.run(PigRunner.java:49)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> azkaban.jobtype.HadoopSecurePigWrapper.runPigJob(HadoopSecurePigWrapper.java:116)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> azkaban.jobtype.HadoopSecurePigWrapper$1.run(HadoopSecurePigWrapper.java:106)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> azkaban.jobtype.HadoopSecurePigWrapper$1.run(HadoopSecurePigWrapper.java:103)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> java.security.AccessController.doPrivileged(Native Method)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> javax.security.auth.Subject.doAs(Subject.java:396)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> azkaban.jobtype.HadoopSecurePigWrapper.main(HadoopSecurePigWrapper.java:103)
> 19-02-2014 17:30:22 PST bug_script ERROR - Caused by: Failed to parse:
> Syntax error, unexpected symbol at or near 'bag'
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:235)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:177)
> 19-02-2014 17:30:22 PST bug_script ERROR - at
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1599)
> 19-02-2014 17:30:22 PST bug_script ERROR - ... 16 more
> {code}
> The script succeeds if the foreach statement is written in one line:
> {code}
> B = foreach A generate b, (bag{tuple(long)}) a.x as ax:{(x:long)};
> {code}
> This problem happens only in batch mode.
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