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https://issues.apache.org/jira/browse/AVRO-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17633664#comment-17633664
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Emmanuel Brard commented on AVRO-3654:
--------------------------------------
No, I have it:
{code:java}
GenericData genericData = new GenericData();
genericData.addLogicalTypeConversion(new Conversions.DecimalConversion());
{code}
> BigDecimal not supported in GenericData.getSchemaName() method
> --------------------------------------------------------------
>
> Key: AVRO-3654
> URL: https://issues.apache.org/jira/browse/AVRO-3654
> Project: Apache Avro
> Issue Type: Improvement
> Components: java
> Affects Versions: 1.11.1
> Reporter: Emmanuel Brard
> Priority: Critical
>
> When trying to add a `GenericRecord` in a Java set, the hashcode computation
> code is called.
> If a Union contains a decimal logical type which is mapped with a
> `BigDecimal` in Java, the call to `add` will fail with:
> {code}
> Caused by: org.apache.avro.AvroRuntimeException: Unknown datum type
> java.math.BigDecimal: 4042030.00
> at
> org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:933)
> at
> org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:892)
> at org.apache.avro.generic.GenericData.hashCode(GenericData.java:1113)
> at
> org.apache.avro.generic.GenericData.hashCodeAdd(GenericData.java:1127)
> at org.apache.avro.generic.GenericData.hashCode(GenericData.java:1103)
> at org.apache.avro.generic.GenericData.hashCode(GenericData.java:1113)
> at
> org.apache.avro.generic.GenericData.hashCodeAdd(GenericData.java:1127)
> at org.apache.avro.generic.GenericData.hashCode(GenericData.java:1103)
> at
> org.apache.avro.generic.GenericData$Record.hashCode(GenericData.java:292)
> at java.base/java.util.HashMap.hash(HashMap.java:338)
> at java.base/java.util.HashMap.put(HashMap.java:610)
> at java.base/java.util.HashSet.add(HashSet.java:221)
> {code}
> The method `getSchemaName` does not handle the BigDecimal Java type, which is
> used by the `DecimalConversion`.
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