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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-3757) System mutex table not being created in SYSTEM namespace when namespace mapping is enabled
Date Wed, 25 Oct 2017 21:22:01 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16219540#comment-16219540
] 

ASF GitHub Bot commented on PHOENIX-3757:
-----------------------------------------

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

    https://github.com/apache/phoenix/pull/277#discussion_r146990595
  
    --- Diff: phoenix-core/src/main/java/org/apache/phoenix/query/ConnectionQueryServicesImpl.java
---
    @@ -2526,8 +2541,14 @@ private void createOtherSystemTables(PhoenixConnection metaConnection)
throws SQ
             try {
                 metaConnection.createStatement().execute(QueryConstants.CREATE_FUNCTION_METADATA);
             } catch (TableAlreadyExistsException ignore) {}
    +        // We catch TableExistsException in createSysMutexTable() and ignore it. Hence
we will also ignore IOException here.
    +        // SYSTEM.MUTEX table should not be exposed to user. Hence it is directly created
and used via HBase API.
    +        // Using 'CREATE TABLE' statement will add entries to SYSTEM.CATALOG table, which
should not happen.
    +        try {
    +            createSysMutexTable(hBaseAdmin, ConnectionQueryServicesImpl.this.getProps());
    +        } catch (IOException ignore) {}
    --- End diff --
    
    I think in those case you can just ignore the exception that you want to tolerate. So
at least SQLException should be bubbled up.
    



> System mutex table not being created in SYSTEM namespace when namespace mapping is enabled
> ------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-3757
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3757
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Josh Elser
>            Assignee: Karan Mehta
>            Priority: Critical
>              Labels: namespaces
>             Fix For: 4.13.0
>
>         Attachments: PHOENIX-3757.001.patch, PHOENIX-3757.002.patch, PHOENIX-3757.003.patch
>
>
> Noticed this issue while writing a test for PHOENIX-3756:
> The SYSTEM.MUTEX table is always created in the default namespace, even when {{phoenix.schema.isNamespaceMappingEnabled=true}}.
At a glance, it looks like the logic for the other system tables isn't applied to the mutex
table.



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