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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3640) Add support for SQL queries in DataSet programs
Date Fri, 08 Apr 2016 13:38:25 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232179#comment-15232179

ASF GitHub Bot commented on FLINK-3640:

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

    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/api/scala/sql/test/AggregationsITCase.scala
    @@ -0,0 +1,264 @@
    + * 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
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    + * Unless required by applicable law or agreed to in writing, software
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    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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    + */
    +package org.apache.flink.api.scala.sql.test
    +import org.apache.flink.api.scala._
    +import org.apache.flink.api.scala.table._
    +import org.apache.flink.api.scala.util.CollectionDataSets
    +import org.apache.flink.api.table.Row
    +import org.apache.flink.api.table.plan.TranslationContext
    +import org.apache.flink.api.table.test.utils.TableProgramsTestBase
    +import org.apache.flink.api.table.test.utils.TableProgramsTestBase.TableConfigMode
    +import org.apache.flink.test.util.MultipleProgramsTestBase.TestExecutionMode
    +import org.apache.flink.test.util.TestBaseUtils
    +import org.junit._
    +import org.junit.runner.RunWith
    +import org.junit.runners.Parameterized
    +import scala.collection.JavaConverters._
    +class AggregationsITCase(
    --- End diff --
    Do we need each test for `DataSet` and `Table`? Wouldn't it be sufficient to test for
`Table` and have one or two tests for `DataSet`?

> Add support for SQL queries in DataSet programs
> -----------------------------------------------
>                 Key: FLINK-3640
>                 URL: https://issues.apache.org/jira/browse/FLINK-3640
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API
>    Affects Versions: 1.1.0
>            Reporter: Vasia Kalavri
>            Assignee: Vasia Kalavri
> This issue covers the task of supporting SQL queries embedded in DataSet programs. In
this mode, the input and output of a SQL query is a Table. For this issue, we need to make
the following additions to the Table API:
> - add a {{tEnv.sql(query: String): Table}} method for converting a query result into
a Table
> - integrate Calcite's SQL parser into the batch Table API translation process.

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