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https://issues.apache.org/jira/browse/PARQUET-385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15120369#comment-15120369
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Cheng Lian commented on PARQUET-385:
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Just opened one for this https://github.com/apache/parquet-mr/pull/315
> PrimitiveType.union accepts fixed_len_byte_array fields with different
> lengths when strict mode is on
> -----------------------------------------------------------------------------------------------------
>
> Key: PARQUET-385
> URL: https://issues.apache.org/jira/browse/PARQUET-385
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.5.0, 1.6.0, 1.7.0, 1.8.0
> Reporter: Cheng Lian
>
> The following two schemas probably shouldn't be allowed to be union-ed when
> strict schema-merging mode is on:
> {noformat}
> message t1 {
> required fixed_len_byte_array(10) f;
> }
> message t2 {
> required fixed_len_byte_array(5) f;
> }
> {noformat}
> But currently {{t1.union(t2, true)}} yields {{t1}}.
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