[
https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15482060#comment-15482060
]
ASF GitHub Bot commented on DRILL-4726:
---------------------------------------
Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/574#discussion_r78298630
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/CreateFunctionHandler.java
---
@@ -0,0 +1,195 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill.exec.planner.sql.handlers;
+
+import com.google.common.collect.Lists;
+import com.google.common.io.Files;
+import org.apache.calcite.sql.SqlCharStringLiteral;
+import org.apache.calcite.sql.SqlNode;
+import org.apache.commons.io.FileUtils;
+import org.apache.drill.common.exceptions.DrillRuntimeException;
+import org.apache.drill.common.exceptions.UserException;
+import org.apache.drill.exec.ExecConstants;
+import org.apache.drill.exec.exception.FunctionValidationException;
+import org.apache.drill.exec.exception.VersionMismatchException;
+import org.apache.drill.exec.expr.fn.RemoteFunctionRegistry;
+import org.apache.drill.exec.physical.PhysicalPlan;
+import org.apache.drill.exec.planner.sql.DirectPlan;
+import org.apache.drill.exec.planner.sql.parser.SqlCreateFunction;
+import org.apache.drill.exec.proto.UserBitShared.Func;
+import org.apache.drill.exec.proto.UserBitShared.Jar;
+import org.apache.drill.exec.proto.UserBitShared.Registry;
+import org.apache.drill.exec.store.sys.store.DataChangeVersion;
+import org.apache.drill.exec.util.JarUtil;
+import org.apache.drill.exec.work.foreman.ForemanSetupException;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hadoop.fs.Path;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.UUID;
+
+public class CreateFunctionHandler extends DefaultSqlHandler {
+
+ private static org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(CreateFunctionHandler.class);
+
+ public CreateFunctionHandler(SqlHandlerConfig config) {
+ super(config);
+ }
+
+ /**
+ * Creates UDFs dynamically.
+ *
+ * @return - Single row indicating list of registered UDFs, raise
exception otherwise
+ */
+ @Override
+ public PhysicalPlan getPlan(SqlNode sqlNode) throws
ForemanSetupException, IOException {
--- End diff --
Agree. This will be covered with inner class.
> 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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