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https://issues.apache.org/jira/browse/AVRO-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17297407#comment-17297407
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Divya commented on AVRO-3064:
-----------------------------
Thank you for your response [~scottbelden].
Yes, it is part of the whole Schema.
The schema looks like this:
{
*"type"*: *"record"*,
*"name"*: *"some name"*,
*"fields"*: [
{
*"name"* : *"exacAmt"*,
*"type"* : [ *"null**"*, { *"type"* : *"fixed"*, *"name"* :
*"exacAmt"*, *"size"* : 16, *"logicalType"* : *"decimal"*, *"precision"* :
38, *"scale"* : 18
} ],
*"default"* : *null*
** } ]
}
The output we are expecting is:
"exacAmt": 3747022.522500000000000000 *or* "exacAmt":null
What should we do to make the JSON work?
> Issue: Unknown union branch fixed
> ---------------------------------
>
> Key: AVRO-3064
> URL: https://issues.apache.org/jira/browse/AVRO-3064
> Project: Apache Avro
> Issue Type: Task
> Components: java
> Affects Versions: 1.8.0
> Reporter: Divya
> Priority: Major
> Attachments: Screenshot from 2021-03-04 21-19-06.png
>
>
> Hello,
>
> We are looking for documentation on how a fixed value can be used with null.
> We are using avro-1.8.0 and trying to generate a Decimal value with the help
> of JSONDecoder for schema:
> {
> "name": "exacAmt",
> "type": [
> {
> "type": "fixed",
> "name": "exacAmt",
> "size": 16,
> "logicalType": "decimal",
> "precision": 38,
> "scale": 2
> },
> "null"
> ]
> }
> But we are getting an exception:
> _Message: Unknown union branch fixed_
> _Line | Method_
> _->> 445 | readIndex in org.apache.avro.io.JsonDecoder_
>
> Please advise how can this issue be resolved.
> !Screenshot from 2021-03-04 21-19-06.png!
>
>
>
>
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