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https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15469037#comment-15469037
]
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_r77741783
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/FunctionImplementationRegistry.java
---
@@ -186,4 +226,105 @@ public boolean isFunctionComplexOutput(String name) {
return false;
}
+ public RemoteFunctionRegistry getRemoteFunctionRegistry() {
+ return remoteFunctionRegistry;
+ }
+
+ public List<Func> validate(Path path) throws IOException {
+ URL url = path.toUri().toURL();
+ URL[] urls = {url};
+ ClassLoader classLoader = new URLClassLoader(urls);
+ return drillFuncRegistry.validate(path.getName(), scan(classLoader,
path, urls));
+ }
+
+ public void register(String jarName, ScanResult classpathScan,
ClassLoader classLoader) {
+ drillFuncRegistry.register(jarName, classpathScan, classLoader);
+ }
+
+ public void unregister(String jarName) {
+ drillFuncRegistry.unregister(jarName);
+ }
+
+ /**
+ * Loads all missing functions from remote registry.
+ * Compares list of already registered jars and remote jars, loads
missing jars.
+ * Missing jars are stores in local DRILL_UDF_DIR.
--- End diff --
are stored in (not stores)
What is DRILL_UDF_DIR? An environment variable?
> 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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