[jira] [Created] (CARBONDATA-3342) It throws IllegalArgumentException when using filter

[xubo245 (JIRA)]

xubo245 created CARBONDATA-3342:
-----------------------------------

             Summary: It throws IllegalArgumentException when using filter
                 Key: CARBONDATA-3342
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3342
             Project: CarbonData
          Issue Type: Bug
            Reporter: xubo245
            Assignee: xubo245



{code:java}
  public void testReadWithFilterOfNonTransactional2() throws IOException, 
InterruptedException {
    String path = "./testWriteFiles";
    FileUtils.deleteDirectory(new File(path));
    DataMapStoreManager.getInstance()
        .clearDataMaps(AbsoluteTableIdentifier.from(path));
    Field[] fields = new Field[2];
    fields[0] = new Field("name", DataTypes.STRING);
    fields[1] = new Field("age", DataTypes.INT);

    TestUtil.writeFilesAndVerify(200, new Schema(fields), path);

    ColumnExpression columnExpression = new ColumnExpression("age", 
DataTypes.INT);

    EqualToExpression equalToExpression = new 
EqualToExpression(columnExpression,
        new LiteralExpression("-11", DataTypes.INT));
    CarbonReader reader = CarbonReader
        .builder(path, "_temp")
        .projection(new String[]{"name", "age"})
        .filter(equalToExpression)
        .build();

    int i = 0;
    while (reader.hasNext()) {
      Object[] row = (Object[]) reader.readNextRow();
      // Default sort column is applied for dimensions. So, need  to validate 
accordingly
      assert (((String) row[0]).contains("robot"));
      assert (1 == (int) (row[1]));
      i++;
    }
    Assert.assertEquals(i, 1);

    reader.close();

    FileUtils.deleteDirectory(new File(path));
  }

{code}

Exception:


{code:java}
2019-04-04 18:15:23 INFO  CarbonLRUCache:163 - Removed entry from InMemory lru 
cache :: 
/Users/xubo/Desktop/xubo/git/carbondata2/store/sdk/testWriteFiles/63862773138004_batchno0-0-null-63862150454623.carbonindex

java.lang.IllegalArgumentException: no reader

        at 
org.apache.carbondata.sdk.file.CarbonReader.<init>(CarbonReader.java:60)
        at 
org.apache.carbondata.sdk.file.CarbonReaderBuilder.build(CarbonReaderBuilder.java:222)
        at 
org.apache.carbondata.sdk.file.CarbonReaderTest.testReadWithFilterOfNonTransactional2(CarbonReaderTest.java:221)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at junit.framework.TestCase.runTest(TestCase.java:176)
        at junit.framework.TestCase.runBare(TestCase.java:141)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at junit.framework.TestSuite.runTest(TestSuite.java:255)
        at junit.framework.TestSuite.run(TestSuite.java:250)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
        at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at 
com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
        at 
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
        at 
com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)


{code}





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