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https://issues.apache.org/jira/browse/AVRO-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17817668#comment-17817668
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Tom Bruns commented on AVRO-2825:
---------------------------------
Is there a patch available?
This is still an issue in the current version 1.11.3
Will you accept a PR?
> C# Logical Types throw exception on unknown logical type
> --------------------------------------------------------
>
> Key: AVRO-2825
> URL: https://issues.apache.org/jira/browse/AVRO-2825
> Project: Apache Avro
> Issue Type: Bug
> Components: csharp
> Affects Versions: 1.9.2
> Reporter: William Pickett
> Priority: Major
>
> In the C# avro implementation of logical types, the logical type
> functionality throws an exception whenever the an unknown logical type is
> used. The LogicalTypeFacory implements a boolean to ignore this exception,
> however, the calling function forces the exception to be thrown.
> LogicalSchema calling function:
> [https://github.com/apache/avro/blob/75e8f58c95e2b8c69af1a6f60c35a848a6781f0c/lang/csharp/src/apache/main/Schema/LogicalSchema.cs#L58]
> LogicalTypeFactory:
> [https://github.com/apache/avro/blob/8199b9626e4badd34a85946cd223a91863f44cee/lang/csharp/src/apache/main/Util/LogicalTypeFactory.cs]
>
>
> According to the AVRO spec:
> Language implementations must ignore unknown logical types when reading, and
> should use the underlying Avro type. If a logical type is invalid, for
> example a decimal with scale greater than its precision, then implementations
> should ignore the logical type and use the underlying Avro type.
> ([https://avro.apache.org/docs/1.9.2/spec.html#Logical+Types])
> So this functionality should not throw an exception when encountering an
> unknown type and instead use the underlying type.
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