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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7923) SQL parser exception when accessing subfields of a Composite element in an Object Array type column
Date Sat, 27 Jan 2018 08:24:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16342034#comment-16342034
] 

ASF GitHub Bot commented on FLINK-7923:
---------------------------------------

Github user hequn8128 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5367#discussion_r164266892
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/sql/CalcTest.scala
---
    @@ -0,0 +1,47 @@
    +/*
    + * 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.table.api.stream.sql
    +
    +import org.apache.flink.api.scala._
    +import org.apache.flink.table.api.scala._
    +import org.apache.flink.table.utils.TableTestBase
    +import org.apache.flink.table.utils.TableTestUtil._
    +import org.junit.Test
    +
    +class CalcTest  extends TableTestBase {
    --- End diff --
    
    Remove redundant blank between `CalcTest` and `extends`


> SQL parser exception when accessing subfields of a Composite element in an Object Array
type column
> ---------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-7923
>                 URL: https://issues.apache.org/jira/browse/FLINK-7923
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API &amp; SQL
>    Affects Versions: 1.4.0
>            Reporter: Rong Rong
>            Assignee: Shuyi Chen
>            Priority: Major
>
> Access type such as:
> {code:SQL}
> SELECT 
>   a[1].f0 
> FROM 
>   MyTable
> {code}
> will cause problem. 
> See following test sample for more details:
> https://github.com/walterddr/flink/commit/03c93bcb0fb30bd2d327e35b5e244322d449b06a



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