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https://issues.apache.org/jira/browse/PIG-790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766206#action_12766206
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Daniel Dai commented on PIG-790:
--------------------------------

The exception is raised when we doing the type checker. It is after the parsing 
and currently we do not annotate logical plan with line number. There is no 
short term plan to put line number there. One thing we can do now is to print 
out alias in the error message. 

> Error message should indicate in which line number in the Pig script the 
> error occured (debugging BinCond)
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: PIG-790
>                 URL: https://issues.apache.org/jira/browse/PIG-790
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.0.0
>            Reporter: Viraj Bhat
>            Priority: Minor
>         Attachments: error_rerport.pig, myerrordata.txt, pig_1240972895275.log
>
>
> I have a simple Pig script which loads integer data and does a Bincond, where 
> it compares, (col1 eq ''). There is an error message that is generated in 
> this case, but it does not specify the line number in the script. 
> {code}
> MYDATA = load '/user/viraj/myerrordata.txt' using PigStorage() as (col1:int, 
> col2:int);
> MYDATA_PROJECT = FOREACH MYDATA GENERATE ((col1 eq '') ? 1 : 0) as newcol1,
>                                          ((col1 neq '') ? col1 - col2 : 
> 160000)
>                                                         as time_diff;
> dump MYDATA_PROJECT;
> {code}
> ======================================
> 2009-04-29 02:33:07,182 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting 
> to hadoop file system at: hdfs://localhost:9000
> 2009-04-29 02:33:08,584 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting 
> to map-reduce job tracker at: localhost:9001
> 2009-04-29 02:33:08,836 [main] INFO  org.apache.pig.PigServer - Create a new 
> graph.
> 2009-04-29 02:33:10,040 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 
> 1039: Incompatible types in EqualTo Operator left hand side:int right hand 
> side:chararray
> Details at logfile: /home/viraj/pig-svn/trunk/pig_1240972386081.log
> ==========================
> It would be good if the error message has a line number and a copy of the 
> line in the script which is causing the problem.
> Attaching data, script and log file. 

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