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https://issues.apache.org/jira/browse/AVRO-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17296158#comment-17296158
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Divya commented on AVRO-3064:
-----------------------------
Hi [~rskraba],
We are just trying to convert the JSON into Parquet.
*JSON:*
jsonObject = {
"exacAmt" : "123.45"
}
*The Schema is:*
{
"name": "exacAmt",
"type": [
{
"type": "fixed",
"name": "exacAmt",
"size": 16,
"logicalType": "decimal",
"precision": 38,
"scale": 2
},
"null"
]
}
{color:#FF0000}*But the last line is throwing the error:*{color}
input = new ByteArrayInputStream(jsonObject.getBytes(StandardCharsets.UTF_8))
DataInputStream din = new DataInputStream(input);
Decoder decoder = DecoderFactory.get().jsonDecoder(parquetSchema, din);
{color:#FF0000}*DatumReader* *datum = reader.read(null, decoder);*{color}
_Message: Unknown union branch fixed_
_Line | Method_
_->> 445 | readIndex in org.apache.avro.io.JsonDecoder_
{color:#403294}*_Now the question is: Do we need to make any modifications to
the schema? Add any namespace or somethingelse? Are we missing
anything?_*{color}
> 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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