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https://issues.apache.org/jira/browse/PIG-4734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-4734:
----------------------------
Fix Version/s: 0.15.1
0.16.0
> TOMAP schema inferring breaks some scripts in type checking for bincond
> -----------------------------------------------------------------------
>
> Key: PIG-4734
> URL: https://issues.apache.org/jira/browse/PIG-4734
> Project: Pig
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Daniel Dai
> Fix For: 0.16.0, 0.15.1
>
>
> PIG-4674 added schema inferring for TOMAP.
> {code}
> FOREACH A GENERATE (val == 'x' ? TOMAP('key', floatfield1) : (val == 'y' ?
> GenerateFloatMap('key', floatfield2) : NULL)) as floatmap:map[float],
> {code}
> The following line fails with
> {code}
> Two inputs of BinCond must have compatible schemas. left hand side:
> #675:map(#676:float) right hand side: #801:map
> at
> org.apache.pig.newplan.logical.visitor.TypeCheckingExpVisitor.visit(TypeCheckingExpVisitor.java:616)
> ... 45 more
> {code}
> GenerateFloatMap is a UDF that returns new HashMap<String, Float>(), but does
> not have outputSchema() defined. It worked earlier because TOMAP also did not
> have outputSchema() defined.
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