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From "Nandor Kollar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-2086) Can't create specific record with a single Decimal field with default value
Date Thu, 05 Oct 2017 08:32:00 GMT
Nandor Kollar created AVRO-2086:
-----------------------------------

             Summary: Can't create specific record with a single Decimal field with default
value
                 Key: AVRO-2086
                 URL: https://issues.apache.org/jira/browse/AVRO-2086
             Project: Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.8.2
            Reporter: Nandor Kollar


Given a simple record schema with a single byte field annotated with Decimal logical type
and has default value set:
{code}
{
   "type":"record",
   "name":"TestRecordWithDecimalFieldWithDefault",
   "namespace":"org.apache.avro.specific",
   "fields":[
      {
         "name":"f1",
         "type":{
            "type":"bytes",
            "logicalType":"decimal",
            "precision":9,
            "scale":2
         },
         "default":"0.00"
      }
   ]
}
{code}

compiled with
{{avro-tools compile -bigDecimal schema TestRecordWithDecimalFieldWithDefault.avsc .}}

The following test case (which should use the decimal's default value):
{code}
  @Test
  public void testRecordWithDecimalLogicalTypeWithDefault() throws IOException {
    SpecificData.get().addLogicalTypeConversion(new Conversions.DecimalConversion());
    TestRecordWithDecimalFieldWithDefault record = TestRecordWithDecimalFieldWithDefault.newBuilder().build();
    File data = write(TestRecordWithDecimalFieldWithDefault.getClassSchema(), record);
    List<TestRecordWithDecimalFieldWithDefault> actual = read(
      TestRecordWithDecimalFieldWithDefault.getClassSchema(), data);

    assertEquals(new BigDecimal(0.00).setScale(2), actual.get(0).getF1());
  }
{code}

fails with
{code}
org.apache.avro.AvroRuntimeException: org.apache.avro.AvroRuntimeException: Cannot convert
8083333.60:BigDecimal: expected generic type

	at org.apache.avro.specific.TestRecordWithDecimalFieldWithDefault$Builder.build(TestRecordWithDecimalFieldWithDefault.java:239)
	at org.apache.avro.specific.TestSpecificLogicalTypes.testRecordWithDecimalLogicalTypeWithDefault(TestSpecificLogicalTypes.java:123)
	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 org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: org.apache.avro.AvroRuntimeException: Cannot convert 8083333.60:BigDecimal: expected
generic type
	at org.apache.avro.Conversions.convertToLogicalType(Conversions.java:172)
	at org.apache.avro.data.RecordBuilderBase.defaultValue(RecordBuilderBase.java:159)
	at org.apache.avro.specific.TestRecordWithDecimalFieldWithDefault$Builder.build(TestRecordWithDecimalFieldWithDefault.java:236)
	... 30 more
Caused by: java.lang.ClassCastException: java.math.BigDecimal cannot be cast to java.nio.ByteBuffer
	at org.apache.avro.Conversions.convertToLogicalType(Conversions.java:162)
	... 32 more
{code}



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