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https://issues.apache.org/jira/browse/AVRO-2750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039504#comment-17039504
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Matthew Kellogg commented on AVRO-2750:
---------------------------------------
[https://github.com/apache/avro/pull/820]
> Support for enum defaults in c#
> -------------------------------
>
> Key: AVRO-2750
> URL: https://issues.apache.org/jira/browse/AVRO-2750
> Project: Apache Avro
> Issue Type: Improvement
> Components: csharp
> Affects Versions: 1.9.2
> Reporter: Matthew Kellogg
> Priority: Minor
>
> C# needs to support default enum values as referenced in the 1.9.2 version of
> the Avro specification.
> For example:
> {code:java}
> {
> "type": "enum",
> "name": "Test",
> "symbols": [
> "Unknown",
> "A",
> "B"
> ],
> "default": "Unknown"
> }
> {code}
> With the schema provided above, the "Unknown" token should be the value when
> a value is passed that is not listed in the symbols.
>
> Requirements:
> # The default token must exist in the list of symbols when parsing the
> schema.
> # When setting the value of the GenericEnum, check if the default is set,
> and if it is use it if the desired value is not in the symbol map.
> # Codegen should assign the default symbol to the field by default
> # The existing behavior should not change if a default is not specified
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