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https://issues.apache.org/jira/browse/DRILL-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16696075#comment-16696075
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ASF GitHub Bot commented on DRILL-6834:
---------------------------------------
KazydubB 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_r235765452
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java
##########
@@ -876,4 +876,12 @@ public static String bootDefaultFor(String name) {
public static final String LIST_FILES_RECURSIVELY =
"storage.list_files_recursively";
public static final BooleanValidator LIST_FILES_RECURSIVELY_VALIDATOR = new
BooleanValidator(LIST_FILES_RECURSIVELY,
new OptionDescription("Enables recursive files listing when querying the
`INFORMATION_SCHEMA.FILES` table or executing the SHOW FILES command. Default
is false. (Drill 1.15+"));
+
+ public static final String FETCH_RESULT_SET_FOR_DDL =
"drill.exec.fetch_resultset_for_ddl";
+ public static final BooleanValidator FETCH_RESULT_SET_FOR_DDL_VALIDATOR =
new BooleanValidator(FETCH_RESULT_SET_FOR_DDL,
+ new OptionDescription("Controls whether to fetch result set for CREATE
TABLE/VIEW, DROP TABLE/VIEW, SET, USE etc. queries"));
+
+ public static final String SQL_NODE_KIND = "drill.exec.query_sqlnode_kind";
Review comment:
Removed this internal 'option'.
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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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