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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 > -- This message was sent by Atlassian JIRA (v6.3.4#6332)