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From jacques-n <...@git.apache.org>
Subject [GitHub] drill pull request: DRILL-3232: Handle promoting writers and vecto...
Date Fri, 30 Oct 2015 05:19:20 GMT
Github user jacques-n commented on a diff in the pull request:

    https://github.com/apache/drill/pull/207#discussion_r43472564
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/vector/accessor/UnionSqlAccessor.java
---
    @@ -0,0 +1,129 @@
    +/**
    + * 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.
    + */
    +package org.apache.drill.exec.vector.accessor;
    +
    +import org.apache.drill.common.types.TypeProtos.MajorType;
    +import org.apache.drill.common.types.TypeProtos.MinorType;
    +import org.apache.drill.common.types.Types;
    +import org.apache.drill.exec.vector.complex.impl.UnionVector;
    +import org.apache.drill.exec.vector.complex.impl.UnionWriter;
    +import org.apache.drill.exec.vector.complex.reader.FieldReader;
    +
    +import java.io.InputStream;
    +import java.io.Reader;
    +import java.math.BigDecimal;
    +import java.sql.Date;
    +import java.sql.Time;
    +import java.sql.Timestamp;
    +
    +public class UnionSqlAccessor extends AbstractSqlAccessor {
    +
    +  FieldReader reader;
    --- End diff --
    
    You need to use accessors here. There is a bunch of SqlAccessor functionality that is
encapsulated in those that you should use. Probably we should simply interrogate the type
then delegate to the appropriate accessor.


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