[jira] [Updated] (HCATALOG-17) Shouldn't be able to add an HCatFieldSchema with the same name as existing

["Jakob Homan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HCATALOG-17?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakob Homan updated HCATALOG-17:
--------------------------------

    Attachment: dupe_fields.patch

Same patch as on github.  Verified against trunk.  All tests pass, except TestHiveCompatibility, which fails without patch as well.

> Shouldn't be able to add an HCatFieldSchema with the same name as existing
> --------------------------------------------------------------------------
>
>                 Key: HCATALOG-17
>                 URL: https://issues.apache.org/jira/browse/HCATALOG-17
>             Project: HCatalog
>          Issue Type: Bug
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: dupe_fields.patch
>
>
> (cloning from https://github.com/yahoo/howl/pull/6)
> As noted in HowlSchema.java, one should not be able to append an a field schema with the same name. The code says that this requires Comparable, which is not correct, since we're not doing ordering. Technically, this requires a correct equals, but since we don't want multiple fields with the same name in a schema (particularly since we index it via the name in the accompanying map), the correct check is just based on the name. This adds the check and throws a HowlException if this occurs.
> Unit test to verify is included. 

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