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https://issues.apache.org/jira/browse/IMPALA-15083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-15083 started by Arnab Karmakar.
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> Add Iceberg UUID data type read support
> ---------------------------------------
>
> Key: IMPALA-15083
> URL: https://issues.apache.org/jira/browse/IMPALA-15083
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend, Frontend
> Reporter: Arnab Karmakar
> Assignee: Arnab Karmakar
> Priority: Major
> Labels: impala-iceberg
>
> Iceberg's UUID type is stored as FIXED_LEN_BYTE_ARRAY(16) in Parquet with a
> UUID logical type annotation. Currently, Impala throws "Iceberg type 'UUID'
> is not supported in Impala" from IcebergSchemaConverter#toImpalaType.
> Add read support by exposing UUID values as STRING in canonical RFC 4122
> format (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
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