Arnab Karmakar created IMPALA-15083:
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Summary: 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
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"`{}}} in
`{{{}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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