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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-978) Allow views to extend base table's PK (only if last PK column is fixed length)
Date Thu, 09 Jul 2015 02:26:04 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14619757#comment-14619757
] 

ASF GitHub Bot commented on PHOENIX-978:
----------------------------------------

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

    https://github.com/apache/phoenix/pull/97#discussion_r34219079
  
    --- Diff: phoenix-core/src/it/java/org/apache/phoenix/end2end/AlterTableIT.java ---
    @@ -2179,7 +2176,7 @@ public void testAddExistingViewPkColumnToBaseTableWithViews() throws
Exception {
                 assertEquals(rs.getString(1), "view1");
                 assertEquals(rs.getInt(2), 12);
                 assertEquals(rs.getInt(3), 13);
    -            assertEquals(rs.getInt(4), 14);
    +            assertEquals(rs.getBigDecimal(4).intValue(), 14);
    --- End diff --
    
    Had to make this change, otherwise was getting BigDecimal rounding errors.


> Allow views to extend base table's PK (only if last PK column is fixed length)
> ------------------------------------------------------------------------------
>
>                 Key: PHOENIX-978
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-978
>             Project: Phoenix
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0, 4.0.0
>            Reporter: Eli Levine
>            Assignee: Eli Levine
>             Fix For: 5.0.0, 4.5.0
>
>         Attachments: PHOENIX-978.diff
>
>
> CREATE VIEW syntax currently disallows PK constraint to be defined.  As a result views
and tenant-specific tables created using CREATE VIEW automatically inherit their base table's
PK with no way to extend it.
> Base tables should be allowed to be created with a minimum of PK columns to support views,
and views to extend PKs as desired.  This would allow a single base table to support a heterogeneous
set of views on top of it.



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