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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3140) NULL value data layout in Row Serializer/Comparator
Date Tue, 22 Dec 2015 19:30:46 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068606#comment-15068606
] 

ASF GitHub Bot commented on FLINK-3140:
---------------------------------------

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1465#discussion_r48288721
  
    --- Diff: flink-staging/flink-table/src/test/scala/org/apache/flink/api/table/typeinfo/RowSerializerTest.scala
---
    @@ -0,0 +1,125 @@
    +/*
    + * 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.flink.api.table.typeinfo
    +
    +import org.apache.flink.api.common.ExecutionConfig
    +import org.apache.flink.api.common.typeinfo.{BasicTypeInfo, TypeInformation}
    +import org.apache.flink.api.common.typeutils.{SerializerTestInstance, TypeSerializer}
    +import org.apache.flink.api.table.Row
    +import org.junit.Assert._
    +import org.junit.Test
    +
    +class RowSerializerTest {
    +
    +  class RowSerializerTestInstance(
    +      serializer: TypeSerializer[Row],
    +      testData: Array[Row])
    +    extends SerializerTestInstance[Row](serializer, classOf[Row], -1, testData: _*) {
    --- End diff --
    
    It would be good to have a little bit more test data than 3 rows.


> NULL value data layout in Row Serializer/Comparator
> ---------------------------------------------------
>
>                 Key: FLINK-3140
>                 URL: https://issues.apache.org/jira/browse/FLINK-3140
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API
>            Reporter: Chengxiang Li
>            Assignee: Timo Walther
>
> To store/materialize NULL value in Row objects, we should need new Row Serializer/Comparator
which is aware of NULL value fields.



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