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From "Arina Ielchiieva (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5255) Unit tests fail due to CTTAS temporary name space checks
Date Thu, 23 Feb 2017 15:48:44 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arina Ielchiieva updated DRILL-5255:
------------------------------------
    Affects Version/s:     (was: 1.10)
                       1.10.0

> Unit tests fail due to CTTAS temporary name space checks
> --------------------------------------------------------
>
>                 Key: DRILL-5255
>                 URL: https://issues.apache.org/jira/browse/DRILL-5255
>             Project: Apache Drill
>          Issue Type: Improvement
>    Affects Versions: 1.10.0
>            Reporter: Paul Rogers
>            Assignee: Arina Ielchiieva
>             Fix For: 1.10.0
>
>
> Drill can operate in embedded mode. In this mode, no storage plugin definitions other
than the defaults may be present. In particular, when using the Drill test framework, only
those storage plugins defined in the Drill code are available.
> Yet, Drill checks for the existence of the dfs.tmp plugin definition (as named by the
{{drill.exec.default_temporary_workspace}} parameter. Because this plugin is not defined,
an exception occurs:
> {code}
> org.apache.drill.common.exceptions.UserException: PARSE ERROR: Unable to create or drop
tables/views. Schema [dfs.tmp] is immutable.
> [Error Id: 792d4e5d-3f31-4f38-8bb4-d108f1a808f6 ]
> 	at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544)
> 	at org.apache.drill.exec.planner.sql.SchemaUtilites.resolveToMutableDrillSchema(SchemaUtilites.java:184)
> 	at org.apache.drill.exec.planner.sql.SchemaUtilites.getTemporaryWorkspace(SchemaUtilites.java:201)
> 	at org.apache.drill.exec.server.Drillbit.validateTemporaryWorkspace(Drillbit.java:264)
> 	at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:135)
> 	at org.apache.drill.test.ClusterFixture.startDrillbits(ClusterFixture.java:207)
> 	...
> {code}
> Expected that either a configuration would exist that would use the default /tmp/drill
location, or that the check for {{drill.tmp}} would be deferred until it is actually required
(such as when executing a CTTAS statement.)
> It seemed that the test framework must be altered to work around this problem by defining
the necessary workspace. Unfortunately, the Drillbit must start before we can define the workspace
needed for the Drillbit to start. So, this workaround is not possible.
> Further, users of the embedded Drillbit may not know to do this configuration.



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