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https://issues.apache.org/jira/browse/PIG-2544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258090#comment-13258090
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Dmitriy V. Ryaboy commented on PIG-2544:
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() being syntactic sugar for "TOTUPLE" is a documented feature..
> ConstantExpression considers (-1.0) as a tuple rather than double
> -----------------------------------------------------------------
>
> Key: PIG-2544
> URL: https://issues.apache.org/jira/browse/PIG-2544
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.1, 0.10.0
> Reporter: Vivek Padmanabhan
>
> {code}
> A = load 'i1' as (a,b,c:double);
> B = foreach A generate ((a eq '')?((b eq '')? (-1.0) :(c/100.0)): (c/100.0)) ;
> dump B;
> {code}
> In Pig 0.9 the above script fails with exception : "Unsupported input type
> for BinCond: left hand side: tuple; right hand side: double"
> The same script works fine with Pig 0.8.
> I think the issue is ConstantExpression uses
> Util.translateFieldSchema(DataType.determineFieldSchema(val))
> which considers (-1.0) as a tuple rather than double in this case.
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