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https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459284#comment-15459284
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ASF GitHub Bot commented on DRILL-4726:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/574#discussion_r77395331
--- Diff: distribution/src/resources/drill-config.sh ---
@@ -366,11 +366,18 @@ if [ $? -eq 0 ]; then
fatal_error "Java 1.7 or later is required to run Apache Drill."
fi
+# Create Drill local udf area, if it does not exist
+DRILL_UDF_DIR="$DRILL_HOME/udf"
+if [[ ! -d "$DRILL_UDF_DIR" ]]; then
+ mkdir -p "$DRILL_UDF_DIR"
+fi
+
--- End diff --
This should be $DRILL_CONF_DIR/udf, not $DRILL_HOME. $DRILL_CONF_DIR points
to the user's "site" directory, which will be outside of $DRILL_HOME for
Drill-on-YARN.
Not sure we need to create this directory. The pattern followed elsewhere
is to include the directory on the class path if it exists.
In Drill-on-YARN, we CAN'T create the directory; the "localized" Drill and
site directories are read-only.
> Dynamic UDFs support
> --------------------
>
> Key: DRILL-4726
> URL: https://issues.apache.org/jira/browse/DRILL-4726
> Project: Apache Drill
> Issue Type: New Feature
> Affects Versions: 1.6.0
> Reporter: Arina Ielchiieva
> Assignee: Arina Ielchiieva
> Fix For: Future
>
>
> Allow register UDFs without restart of Drillbits.
> Design is described in document below:
> https://docs.google.com/document/d/1FfyJtWae5TLuyheHCfldYUpCdeIezR2RlNsrOTYyAB4/edit?usp=sharing
>
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