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https://issues.apache.org/jira/browse/OODT-551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558412#comment-13558412
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Chris A. Mattmann commented on OODT-551:
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Hey Brian, sorry I wasn't clear. I don't mean to change the long standing
assumption that the *Metadata* class itself contains values that aren't
ordered. I am proposing that we simply change the *handling* of Metadata (which
itself is still unordered) in the DataSourceCatalog. The patch is really small
-- just a property change in DataSourceCatalog and some unit tests.
Does that help clear it up?
> DataSourceCatalog implementation does not preserve order of metadata values
> ---------------------------------------------------------------------------
>
> Key: OODT-551
> URL: https://issues.apache.org/jira/browse/OODT-551
> Project: OODT
> Issue Type: Bug
> Components: file manager
> Affects Versions: 0.5
> Reporter: Luca Cinquini
> Assignee: Luca Cinquini
> Fix For: 0.6
>
> Attachments: OODT-551.luca.patch.txt
>
>
> The table that stores the metadata (key, value) pairs for the File Manager
> database-based implementation has no primary key - as a consequence, values
> are not guaranteed to be returned in any order, which is a problem for
> applications that rely on the order of the values (for example, among
> different metadata keys).
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