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https://issues.apache.org/jira/browse/AVRO-3950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822542#comment-17822542
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ASF subversion and git services commented on AVRO-3950:
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Commit f59e9221318fa727f4e309654ffab1e6f176c32d in avro's branch
refs/heads/branch-1.11 from Marcos Schroh
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=f59e92213 ]
AVRO-3950: [Rust] remove code that it is never called on schema_compatibility
match_schemas function (#2774)
(cherry picked from commit df41f67ed511ed394fe6e9881290fc7e9e3935a8)
> [rust] Some code when checking schema compatibility is never reached
> --------------------------------------------------------------------
>
> Key: AVRO-3950
> URL: https://issues.apache.org/jira/browse/AVRO-3950
> Project: Apache Avro
> Issue Type: Improvement
> Reporter: Marcos Schroh
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> When checking schema compatibility between schemas some code blocks are never
> reached. For example, [these lines
> |https://github.com/apache/avro/blob/main/lang/rust/avro/src/schema_compatibility.rs#L365-L374]
> are never reached because writer and readers schemas are for sure the same
> type (record) which is [previously
> compared|https://github.com/apache/avro/blob/main/lang/rust/avro/src/schema_compatibility.rs#L346].
> This issue leads to unnecessary *if let* blocks which can be suppressed and
> `Errors` that are never reached. For example the following code could be
> removed because it is know before hand that the schema is Record which it has
> a name and only one error can be retrieved.
> {code}
> let Schema::Record(RecordSchema { name: w_name, .. }) = writers_schema { ...
> }
> {code}
> *Solution*: Refactor the code and add more unittest to match_schemas function
> to clean up the unreachable code
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