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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1311) HBase namespaces surfaced in phoenix
Date Mon, 04 Apr 2016 23:19:25 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15225247#comment-15225247
] 

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

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

    https://github.com/apache/phoenix/pull/153#discussion_r58465248
  
    --- Diff: phoenix-core/src/main/java/org/apache/phoenix/compile/FromCompiler.java ---
    @@ -265,12 +332,18 @@ public SingleTableColumnResolver(PhoenixConnection connection, NamedTableNode
ta
                    if (def.getColumnDefName().getFamilyName() != null) {
                        families.add(new PColumnFamilyImpl(PNameFactory.newName(def.getColumnDefName().getFamilyName()),Collections.<PColumn>emptyList()));
                    }
    -           }
    -           Long scn = connection.getSCN();
    -           PTable theTable = new PTableImpl(connection.getTenantId(), table.getName().getSchemaName(),
table.getName().getTableName(), scn == null ? HConstants.LATEST_TIMESTAMP : scn, families);
    +            }
    +            Long scn = connection.getSCN();
    +            String schema = table.getName().getSchemaName();
    +            if (connection.getSchema() != null) {
    --- End diff --
    
    Not sure if functionally this is the right thing to do here. I would expect Phoenix to
thrown an exception when the connection's setting of schema/namespace is different from the
the table's namespace/schema. Or is my understanding not correct here? Would be good to add
a test case for this too in UseSchemaIT. 


> 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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