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https://issues.apache.org/jira/browse/AVRO-3752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17721092#comment-17721092
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Fedor Telnov commented on AVRO-3752:
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Seems to be resolved in master. Sorry, really it is just a matter of versions.
I was confused as it seemed to be the latest published version(which IS in fact
the latest) and polluted with lots of bugs. Please, release those fixes to
crates.io someday!
> [Rust] Logging flood during Union resolving
> -------------------------------------------
>
> Key: AVRO-3752
> URL: https://issues.apache.org/jira/browse/AVRO-3752
> Project: Apache Avro
> Issue Type: Improvement
> Components: rust
> Reporter: Fedor Telnov
> Priority: Minor
>
> I'm going to speak about Rust implementation(crate) of Avro named
> "apache-avro"([crates.io|[https://crates.io/crates/apache-avro]).]
> Currently, union resolving is implemented as "iterate through listed schemas
> and find the first that matches given value". Process of finding requires
> schemas validation against that value. Validation method contains single
> "error!" macro invocation.
> So, even if union contains relevant schema as variant, previous bad matches
> would throw error! log macro. In result, with big unions, you get a flooded
> logs.
> My proposition is to write separate "validate" method that won't invoke
> error! macro and use it during union resolution.
> UPD: It seems that problem only occurs when complex types are included in
> union schema, see example in comments.
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