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https://issues.apache.org/jira/browse/TAJO-289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812755#comment-13812755
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JaeHwa Jung commented on TAJO-289:
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At first, I designed to implement a new class called as CatalogDriver. But now,
I think that it was an unnecessary class because of CatalogStore. If users want
to use some db as a catalog server, we just have to implements CatalogStore
interface. I think that HCatalog interface is in the same way. So I will
implements HCatalogStore exending AbstractDBStore.
> HCatalogStore
> -------------
>
> Key: TAJO-289
> URL: https://issues.apache.org/jira/browse/TAJO-289
> Project: Tajo
> Issue Type: Sub-task
> Components: catalog
> Affects Versions: 0.8-incubating
> Reporter: JaeHwa Jung
> Assignee: JaeHwa Jung
> Fix For: 0.8-incubating
>
>
> I designed Tajo to use Hive metastore with HCatalog.
> In this case, Tajo has to have an interface to connect to HCatalog.
> And I think that this connect is very useful to connect to another catalogs
> as follows:
> some different Hive catalogs, HBase catalogs
> So, I named this interface as CatalogDriver. It will has some properties as
> follows:
> - catalog namespace name
> - catalog URI
> - catalog driver class
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