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Date: Thu, 6 Sep 2012 06:19:07 +1100 (NCT)
From: "Doug Cutting (JIRA)" <jira@apache.org>
To: dev@avro.apache.org
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Subject: [jira] [Updated] (AVRO-1146) Can't use ReflectData to get schema
 when the type has a BigDecimal or BigInteger field
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     [ https://issues.apache.org/jira/browse/AVRO-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated AVRO-1146:
-------------------------------

    Attachment: AVRO-1146.patch

Here's a version that adds the ability to declare already-defined classes as stringable and that pre-defines BigDecimal and BigInteger this way.

Strings are not an ideal representation for these as they'll not be sorted correctly, but it's perhaps better than not serializing them at all.
                
> Can't use ReflectData to get schema when the type has a BigDecimal or BigInteger field
> --------------------------------------------------------------------------------------
>
>                 Key: AVRO-1146
>                 URL: https://issues.apache.org/jira/browse/AVRO-1146
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.7.0
>            Reporter: Alexandre Normand
>              Labels: newbie
>         Attachments: AVRO-1146.patch, AVRO-1146.patch, TestReflectDataWithBigDecimal.java
>
>
> I'm using avro Reflection API for a specific use case and I have a bug where if the object I'm trying to get the Schema for has a field of type BigDecimal. Because BigDecimal extends java.lang.Number, we try to create a primitive schema for it but fail doing so with the following error:
> *{{org.apache.avro.AvroRuntimeException: Not a Specific class: class java.math.BigDecimal}}*
> I'm attaching a unit test that shows the problem with a basic type that has a single BigDecimal field.
> This basically also applied to all subclasses of java.lang.Number that are not primitives.

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