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https://issues.apache.org/jira/browse/AVRO-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17601196#comment-17601196
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ASF subversion and git services commented on AVRO-3625:
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Commit 9b968c4726c8c660195146c118131825cbdd6ba0 in avro's branch
refs/heads/avro-3625-union-schema-is-nullable from Martin Tzvetanov Grigorov
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=9b968c472 ]
AVRO-3625: [Rust] UnionSchema is nullable if any of its variants is Null
Signed-off-by: Martin Tzvetanov Grigorov <[email protected]>
> [Rust] UnionSchema.is_nullable() should return true if any of the variants is
> Schema::Null
> ------------------------------------------------------------------------------------------
>
> Key: AVRO-3625
> URL: https://issues.apache.org/jira/browse/AVRO-3625
> Project: Apache Avro
> Issue Type: Bug
> Components: rust
> Affects Versions: 1.11.1
> Reporter: Martin Tzvetanov Grigorov
> Assignee: Martin Tzvetanov Grigorov
> Priority: Minor
>
> Currently UnionSchema::is_nullable() returns `true` if the first variant is
> `"null"`.
> The specification
> [says|https://avro.apache.org/docs/1.11.1/specification/#unions]: "Thus, for
> unions containing “null”, the “null” is usually listed first, since the
> default value of such unions is typically null."
> That is, the `null` is *usually* at the first position{*},{*} but this is not
> mandatory!
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