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https://issues.apache.org/jira/browse/PIG-2071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034115#comment-13034115
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Daniel Dai commented on PIG-2071:
---------------------------------
+1
> casting numeric type to chararray during schema merge for union is
> inconsistent with other schema merge cases
> -------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2071
> URL: https://issues.apache.org/jira/browse/PIG-2071
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.9.0
>
> Attachments: PIG-2071.1.patch
>
>
> In PIG-1536, if a column in output of union has a source column one input of
> type charraray and in other it is of a numeric type, the column of numeric
> type will be cast to chararray. But in all other cases, chararray and numeric
> types are considered incompatible, and as a result such implicit casting is
> not done.
> To be consistent with other cases, union also should consider chararray and
> numeric types to be incompatible.
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