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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1311) HBase namespaces surfaced in phoenix
Date Mon, 28 Mar 2016 09:50:25 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214025#comment-15214025
] 

ASF GitHub Bot commented on PHOENIX-1311:
-----------------------------------------

Github user ankitsinghal commented on a diff in the pull request:

    https://github.com/apache/phoenix/pull/153#discussion_r57558494
  
    --- Diff: phoenix-core/src/main/java/org/apache/phoenix/schema/MetaDataClient.java ---
    @@ -544,7 +556,28 @@ private MetaDataMutationResult updateCache(PName tenantId, String
schemaName, St
     
             return result;
         }
    -    
    +
    +    public MetaDataMutationResult updateCache(String schemaName) throws SQLException
{
    +        return updateCache(schemaName, false);
    +    }
    +
    +    public MetaDataMutationResult updateCache(String schemaName, boolean alwaysHitServer)
throws SQLException {
    +        long clientTimeStamp = getClientTimeStamp();
    +        PSchema schema = null;
    +        try {
    +            schema = connection.getMetaDataCache().getSchema(new PTableKey(null, schemaName));
    --- End diff --
    
    I'm not sure that whether we should keep schema per tenantId so currently it is kept as
global , if you or @JamesRTaylor think, then I can make the necessary changes to support schema
per tenantId.


> HBase namespaces surfaced in phoenix
> ------------------------------------
>
>                 Key: PHOENIX-1311
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1311
>             Project: Phoenix
>          Issue Type: New Feature
>            Reporter: nicolas maillard
>            Assignee: Ankit Singhal
>            Priority: Minor
>             Fix For: 4.8.0
>
>         Attachments: PHOENIX-1311.docx, PHOENIX-1311_v1.patch, PHOENIX-1311_v2.patch,
PHOENIX-1311_wip.patch, PHOENIX-1311_wip_2.patch
>
>
> Hbase (HBASE-8015) has the concept of namespaces in the form of myNamespace:MyTable it
would be great if Phoenix leveraged this feature to give a database like feature on top of
the table.
> Maybe to stay close to Hbase it could also be a create DB:Table...
> or DB.Table which is a more standard annotation?



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