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https://issues.apache.org/jira/browse/HCATALOG-459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438452#comment-13438452
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Alan Gates commented on HCATALOG-459:
-------------------------------------
My proposal is that HCat 0.5 (now trunk) switch to using Pig 0.10. I believe a
few features that have gone into trunk already depend on Pig 0.10, though the
maven dependencies haven't been changed yet due to the issues with Antlr
versions between Hive and Pig.
> HCatalog (Pig adaptor) should report the schema of map values of complex types
> ------------------------------------------------------------------------------
>
> Key: HCATALOG-459
> URL: https://issues.apache.org/jira/browse/HCATALOG-459
> Project: HCatalog
> Issue Type: Bug
> Components: pig
> Affects Versions: 0.4, 0.5
> Reporter: Feng Peng
> Attachments: map.schema.txt
>
>
> Pig allows map values to be complex types, but current hcatalog-pig-adaptor
> ignores the schema of map values. When underlying data has the schema for the
> map values, HCatalog should report the schema in HCatSchema.
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