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https://issues.apache.org/jira/browse/DRILL-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695071#comment-16695071
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ASF GitHub Bot commented on DRILL-6834:
---------------------------------------
vvysotskyi commented on a change in pull request #1549: DRILL-6834: Introduce
option to disable result set on CTAS, create vi…
URL: https://github.com/apache/drill/pull/1549#discussion_r235480481
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/ops/FragmentContextImpl.java
##########
@@ -186,7 +186,8 @@ public FragmentContextImpl(final DrillbitContext
dbContext, final PlanFragment f
throw new ExecutionSetupException("Failure while reading plan
options.", e);
}
}
- fragmentOptions = new FragmentOptionManager(context.getOptionManager(),
list);
+ OptionManager parentOptionManager = queryContext != null ?
queryContext.getOptions() : context.getOptionManager();
+ fragmentOptions = new FragmentOptionManager(parentOptionManager,
queryContext == null ? list : new OptionList());
Review comment:
Could you please explain the purpose of this change?
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> Introduce option to disable result set on CTAS, create view and drop
> table/view etc. for JDBC connection
> --------------------------------------------------------------------------------------------------------
>
> Key: DRILL-6834
> URL: https://issues.apache.org/jira/browse/DRILL-6834
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Bohdan Kazydub
> Assignee: Bohdan Kazydub
> Priority: Major
> Labels: doc-impacting
> Fix For: 1.15.0
>
>
> There are some tools (Unica, dBeaver, TalenD) that do not expect to obtain
> result set on CTAS query. As a result the query gets canceled. Hive, on the
> other hand, does not return result set for the query and these tools work
> well.
> To improve Drill's integration with such tools a session option
> {{`drill.exec.fetch_resultset_for_ddl`}} is introduced. If the option is
> enabled (set to `true`) Drill's behaviour will be unchanged, i.e. all result
> set will be returned for all queries. If the option is disabled (set to
> `false`), CTAS, CREATE VIEW, CREATE FUNCTION, DROP TABLE, DROP VIEW, DROP
> FUNCTION, USE schema, SET option, REFRESH METADATA TABLE etc. queries will
> not return result set but {{updateCount}} instead.
> The option affects JDBC connections only.
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