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