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https://issues.apache.org/jira/browse/PIG-1345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12864963#action_12864963
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Viraj Bhat commented on PIG-1345:
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Richard thanks for suggesting a workaround. The error message is definitely
more verbose than the original one.
At least in one way the user can know as to where the cast is an issue in the,
maybe in some addition taking place in the script.
This Jira was originally created as task to correlate exactly on which line
"int is implicitly cast to float", which I believe is hard to do in the current
parser as we do not keep track of line number.
Viraj
> Link casting errors in POCast to actual lines numbers in Pig script
> -------------------------------------------------------------------
>
> Key: PIG-1345
> URL: https://issues.apache.org/jira/browse/PIG-1345
> Project: Pig
> Issue Type: Sub-task
> Components: impl
> Affects Versions: 0.6.0
> Reporter: Viraj Bhat
>
> For the purpose of easy debugging, I would be nice to find out where my
> warnings are coming from is in the pig script.
> The only known process is to comment out lines in the Pig script and see if
> these warnings go away.
> 2010-01-13 21:34:13,697 [main] WARN org.apache.pig.PigServer - Encountered
> Warning IMPLICIT_CAST_TO_MAP 2 time(s) line 22
> 2010-01-13 21:34:13,698 [main] WARN org.apache.pig.PigServer - Encountered
> Warning IMPLICIT_CAST_TO_LONG 2 time(s) line 23
> 2010-01-13 21:34:13,698 [main] WARN org.apache.pig.PigServer - Encountered
> Warning IMPLICIT_CAST_TO_BAG 1 time(s). line 26
> I think this may need us to keep track of the line numbers of the Pig script
> (via out javacc parser) and maintain it in the logical and physical plan.
> It would help users in debugging simple errors/warning related to casting.
> Is this enhancement listed in the http://wiki.apache.org/pig/PigJournal?
> Do we need to change the parser to something other than javacc to make this
> task simpler?
> "Standardize on Parser and Scanner Technology"
> Viraj
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