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https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459434#comment-15459434
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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_r77403003
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/parser/SqlDropFunction.java
---
@@ -0,0 +1,79 @@
+/**
+ * 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.parser;
+
+import com.google.common.collect.Lists;
+import org.apache.calcite.sql.SqlCall;
+import org.apache.calcite.sql.SqlKind;
+import org.apache.calcite.sql.SqlLiteral;
+import org.apache.calcite.sql.SqlNode;
+import org.apache.calcite.sql.SqlOperator;
+import org.apache.calcite.sql.SqlSpecialOperator;
+import org.apache.calcite.sql.SqlWriter;
+import org.apache.calcite.sql.parser.SqlParserPos;
+import org.apache.drill.exec.planner.sql.handlers.AbstractSqlHandler;
+import org.apache.drill.exec.planner.sql.handlers.DropFunctionHandler;
+import org.apache.drill.exec.planner.sql.handlers.SqlHandlerConfig;
+
+import java.util.List;
+
+public class SqlDropFunction extends DrillSqlCall {
+
+ private final SqlNode jar;
+
+ public static final SqlSpecialOperator OPERATOR = new
SqlSpecialOperator("DROP_FUNCTION", SqlKind.OTHER) {
+ @Override
+ public SqlCall createCall(SqlLiteral functionQualifier, SqlParserPos
pos, SqlNode... operands) {
+ return new SqlDropFunction(pos, operands[0]);
+ }
+ };
+
+ public SqlDropFunction(SqlParserPos pos, SqlNode jar) {
+ super(pos);
+ this.jar = jar;
+ }
+
+ @Override
+ public SqlOperator getOperator() {
+ return OPERATOR;
+ }
+
+ @Override
+ public List<SqlNode> getOperandList() {
+ List<SqlNode> opList = Lists.newArrayList();
--- End diff --
See comment above.
> 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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