[jira] [Created] (TAJO-755) ALTER TABLESPACE LOCATION support

["Hyunsik Choi (JIRA)" <ji...@apache.org>]

Hyunsik Choi created TAJO-755:
---------------------------------

             Summary: ALTER TABLESPACE LOCATION support
                 Key: TAJO-755
                 URL: https://issues.apache.org/jira/browse/TAJO-755
             Project: Tajo
          Issue Type: Improvement
          Components: catalog, parser, planner/optimizer
    Affects Versions: 0.8-incubating, 1.0-incubating
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi
             Fix For: 0.8-incubating, 1.0-incubating


Currently, Tajo uses {{tajo.warehouse.directory}} to a default tablespace. The default tablespace is stored to catalog server when TajoMaster starts up firstly. 

Some users can change {{tajo.root}} after they use Tajo for a while. In this case, the mismatch between {{tajo.root}} and the default space can cause some problems. To avoid this confusion, we need to support {{ALTER TABLESPACE} to change tablespace's URI.

The semantic is as follows:

{code}
ALTER TABLESPACE <space name> LOCATION '...';
{code}



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