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Posted to dev@avro.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2018/03/28 21:46:00 UTC
[jira] [Updated] (AVRO-2067) Add object-value attribute support to
SchemaBuilder.PropBuilder
[ https://issues.apache.org/jira/browse/AVRO-2067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Doug Cutting updated AVRO-2067:
-------------------------------
Resolution: Fixed
Fix Version/s: 1.9.0
Status: Resolved (was: Patch Available)
I committed this. Thanks, Jeffrey!
> Add object-value attribute support to SchemaBuilder.PropBuilder
> ---------------------------------------------------------------
>
> Key: AVRO-2067
> URL: https://issues.apache.org/jira/browse/AVRO-2067
> Project: Avro
> Issue Type: Improvement
> Components: java
> Reporter: Jeffrey Mullins
> Assignee: Jeffrey Mullins
> Priority: Major
> Fix For: 1.9.0
>
> Attachments: AVRO-2067.patch
>
>
> Add object-value attribute support to _SchemaBuilder.PropBuilder_.
> {code:java}
> public final S prop(String name, Object value)
> {code}
> The avro 1.8.2 specification permits the use of undefined schema attributes as metadata:
> {quote}
> "Attributes not defined in this document are permitted as metadata, but must not affect the format of serialized data."
> {quote}
>
> The permitted types of attribute values is unclear from the above, but attributes with object values (non-string) are supported when parsing a schema and in the JsonProperties base class from which both Schema and Schema.Field inherit.
>
> _JsonProperties_ supports object-valued attributes through its _addProp()_ and _getObjectProps()_ methods.
> In our use case, we need to programmatically normalize and augment user-supplied schemas which may contain attributes with object values like booleans and arrays of strings. The absence of a method in _SchemaBuilder.PropBuilder_ which support object-valued attributes makes this difficult.
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