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https://issues.apache.org/jira/browse/AVRO-3160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17366512#comment-17366512
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Artur Kalimullin commented on AVRO-3160:
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Thanks, [~rskraba], I decided to check the Stringable and and found following 
documentation: 
[https://avro.apache.org/docs/1.10.2/api/java/org/apache/avro/reflect/package-summary.html]

I tried following code: \{"type": "string", "java-class": 
"java.math.BigDecimal"} and it worked: java classes were compiled with 
BigDecimal and in the avro message we have string

> Decimal logical type for strings
> --------------------------------
>
>                 Key: AVRO-3160
>                 URL: https://issues.apache.org/jira/browse/AVRO-3160
>             Project: Apache Avro
>          Issue Type: New Feature
>          Components: java
>            Reporter: Artur Kalimullin
>            Priority: Major
>
> Currently in avro there is just one way to represent BigDecimal: using bytes 
> type with decimal logical type.
> Unfortunately, it's not really convenient to use in non-java environments (we 
> currently have services in java and PHP that are communicating using avro).
> As an alternative, string could be used to represent decimal number without 
> loosing precision and that's how we are doing it now. I propose to add 
> logical type decimal to the type string to be able to use BigDecimal directly 
> without converting it on client side.
> I could create a PR for that but wanted to know your opinion first about it, 
> would you consider merging it? (I guess that's a question to [~rskraba])



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