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ASF GitHub Bot commented on DRILL-3232: --------------------------------------- Github user jacques-n commented on a diff in the pull request: https://github.com/apache/drill/pull/207#discussion_r43471262 --- Diff: exec/java-exec/src/main/codegen/templates/UnionVector.java --- @@ -0,0 +1,479 @@ +/** + * 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 + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 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. + */ + +import org.apache.drill.common.types.TypeProtos.MinorType; + +<@pp.dropOutputFile /> +<@pp.changeOutputFile name="/org/apache/drill/exec/vector/complex/impl/UnionVector.java" /> + + +<#include "/@includes/license.ftl" /> + +package org.apache.drill.exec.vector.complex.impl; + +<#include "/@includes/vv_imports.ftl" /> +import java.util.Iterator; +import org.apache.drill.exec.vector.complex.impl.ComplexCopier; +import org.apache.drill.exec.util.CallBack; + +/* + * This class is generated using freemarker and the ${.template_name} template. + */ +@SuppressWarnings("unused") + + +public class UnionVector implements ValueVector { --- End diff -- Can you please add description of the construction here? > Modify existing vectors to allow type promotion > ----------------------------------------------- > > Key: DRILL-3232 > URL: https://issues.apache.org/jira/browse/DRILL-3232 > Project: Apache Drill > Issue Type: Sub-task > Components: Execution - Codegen, Execution - Data Types, Execution - > Relational Operators, Functions - Drill > Reporter: Steven Phillips > Assignee: Hanifi Gunes > Fix For: 1.3.0 > > > Support the ability for existing vectors to be promoted similar to supported > implicit casting rules. > For example: > INT > DOUBLE > STRING > EMBEDDED -- This message was sent by Atlassian JIRA (v6.3.4#6332)