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From apivovarov <...@git.apache.org>
Subject [GitHub] flink pull request #2485: [Flink 4599] - Add 'explain()' also to StreamTable...
Date Sat, 10 Sep 2016 04:25:24 GMT
Github user apivovarov commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2485#discussion_r78270898
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/api/scala/stream/ExplainStreamTest.scala
---
    @@ -0,0 +1,64 @@
    +/*
    + * 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.scala.stream
    +
    +import org.apache.flink.api.scala._
    +import org.apache.flink.api.scala.table._
    +import org.apache.flink.api.table.TableEnvironment
    +import org.apache.flink.streaming.api.scala.StreamExecutionEnvironment
    +import org.apache.flink.streaming.util.StreamingMultipleProgramsTestBase
    +import org.junit.Assert.assertEquals
    +import org.junit._
    +
    +class ExplainStreamTest
    +  extends StreamingMultipleProgramsTestBase {
    +
    +  val testFilePath = ExplainStreamTest.this.getClass.getResource("/").getFile
    +
    +  @Test
    +  def testFilter() : Unit = {
    +    val env = StreamExecutionEnvironment.getExecutionEnvironment
    +    val tEnv = TableEnvironment.getTableEnvironment(env)
    +
    +    val table = env.fromElements((1, "hello"))
    +      .toTable(tEnv, 'a, 'b)
    +      .filter("a % 2 = 0")
    +
    +    val result = tEnv.explain(table).replaceAll("\\r\\n", "\n")
    +    val source = scala.io.Source.fromFile(testFilePath +
    +      "../../src/test/scala/resources/testFilterStream0.out").mkString.replaceAll("\\r\\n",
"\n")
    +    assertEquals(result, source)
    +  }
    +
    +  @Test
    +  def testUnion() : Unit = {
    --- End diff --
    
    no need for space after () on line 35 and 50


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