Error message should indicate in which line number in the Pig script the error 
occured (debugging BinCond)

                 Key: PIG-790
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.0.0
            Reporter: Viraj Bhat
            Priority: Minor

I have a simple Pig script which loads integer data and does an 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. 
MYDATA = load '/user/viraj/myerrordata.txt' using PigStorage() as (col1:int, 

MYDATA_PROJECT = FOREACH MYDATA GENERATE ((col1 eq '') ? 1 : 0) as newcol1,
                                         ((col1 neq '') ? col1 - col2 : 160000)
                                                        as time_diff;


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 
2009-04-29 02:33:10,040 [main] ERROR - ERROR 
1039: Incompatible types in EqualTo Operator left hand side:int right hand 
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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