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https://issues.apache.org/jira/browse/NIFI-4371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195262#comment-16195262
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ASF GitHub Bot commented on NIFI-4371:
--------------------------------------
Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2138#discussion_r143296927
--- Diff:
nifi-nar-bundles/nifi-hive-bundle/nifi-hive-processors/src/main/java/org/apache/nifi/processors/hive/AbstractHiveQLProcessor.java
---
@@ -66,6 +71,38 @@
.addValidator(StandardValidators.CHARACTER_SET_VALIDATOR)
.build();
+ public static final PropertyDescriptor QUERY_TIMEOUT = new
PropertyDescriptor.Builder()
+ .name("hive-query-timeout")
+ .displayName("Query timeout")
+ .description("Sets the number of seconds the driver will wait
for a query to execute. "
+ + "A value of 0 means no timeout. This feature is
available starting with Hive 2.1.")
--- End diff --
How about we replace the "This feature is available..." sentence with
"NOTE: Non-zero values may not be supported by the driver"
> Add support for query timeout in Hive processors
> ------------------------------------------------
>
> Key: NIFI-4371
> URL: https://issues.apache.org/jira/browse/NIFI-4371
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Pierre Villard
> Assignee: Pierre Villard
> Attachments: Screen Shot 2017-09-09 at 4.31.21 PM.png, Screen Shot
> 2017-09-09 at 6.38.51 PM.png, Screen Shot 2017-09-09 at 6.40.48 PM.png
>
>
> With HIVE-4924 it is possible to set a query timeout when executing a query
> against Hive (starting with Hive 2.1). Right now, NiFi is built using Hive
> 1.2.1 and this feature is not available by default (the method is not
> implemented in the driver). However, if building NiFi with specific profiles
> this feature can be used.
> The objective is to expose the query timeout parameter in the processor and
> enable expression language. If the version of the driver is not implementing
> the query timeout the processor will be in invalid state (unless expression
> language is used, and in this case, the flow file will be routed to the
> failure relationship).
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