[ https://issues.apache.org/jira/browse/AVRO-2042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan Blue resolved AVRO-2042. ----------------------------- Resolution: Not A Problem Assignee: Ryan Blue > Can't reliably write decimal/BigDecimal values to file > ------------------------------------------------------- > > Key: AVRO-2042 > URL: https://issues.apache.org/jira/browse/AVRO-2042 > Project: Avro > Issue Type: Bug > Affects Versions: 1.8.2 > Reporter: Fred Cohen > Assignee: Ryan Blue > Attachments: AvroDecimal.avsc, AvroDecimalTest.java > > > Attempting to write some decimal values fails. > Here's the schema I created for this test: > { > "namespace":"org.test", > "type": "record", > "name": "DecimalTest", > "fields": [ > { > "name": "decimalVal", > "type": {"type": "bytes", "logicalType":"decimal","precision": 6, > "scale": 4} > } > ] > } > The problem is that to my knowledge I can't control the scale used by > BigDecimal. > While the first value uses a scale of 4, the second one is scale 0. > decimals.add(new BigDecimal(12.01F, mathContext)); > decimals.add(new BigDecimal(12.00F, mathContext)); > It leads to these errors during the write operation: > org.apache.avro.file.DataFileWriter$AppendWriteException: > org.apache.avro.AvroTypeException: Cannot encode decimal with scale 0 as > scale 4 > at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:308) > at AvroDecimalTest.writeDecimalTest(AvroDecimalTest.java:67) > 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:497) > at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) > at > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) > at > org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) > at org.junit.runners.ParentRunner.run(ParentRunner.java:236) > at org.junit.runner.JUnitCore.run(JUnitCore.java:157) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:237) > at > com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > Caused by: org.apache.avro.AvroTypeException: Cannot encode decimal with > scale 0 as scale 4 > at > org.apache.avro.Conversions$DecimalConversion.toBytes(Conversions.java:92) > at > org.apache.avro.Conversions$DecimalConversion.toBytes(Conversions.java:62) > at org.apache.avro.Conversions.convertToRawType(Conversions.java:218) > at > org.apache.avro.generic.GenericDatumWriter.convert(GenericDatumWriter.java:95) > at > org.apache.avro.specific.SpecificDatumWriter.writeField(SpecificDatumWriter.java:84) > at > org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:156) > at > org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:118) > at > org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:75) > at > org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:62) > at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:302) > ... 23 more -- This message was sent by Atlassian JIRA (v6.4.14#64029)