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https://issues.apache.org/jira/browse/IMPALA-12706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Mate resolved IMPALA-12706.
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Resolution: Fixed
> Failing DCHECK when querying STRUCT inside a STRUCT for Iceberg metadata table
> ------------------------------------------------------------------------------
>
> Key: IMPALA-12706
> URL: https://issues.apache.org/jira/browse/IMPALA-12706
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 4.4.0
> Reporter: Tamas Mate
> Assignee: Tamas Mate
> Priority: Major
> Labels: impala-iceberg
>
> When querying a STRUCT type inside a STRUCT type there is a failing DCHECK.
> {code:none}
> F0111 09:01:35.626691 15777 descriptors.h:366]
> 83474e353d7baccd:d966f47c00000000] Check failed: slot_desc->col_path().size()
> == 1 (2 vs. 1)
> {code}
> While the following is working:
> {code:none}
> select readable_metrics from
> functional_parquet.iceberg_query_metadata.data_files;
> {code}
> this fails:
> {code:none}
> select readable_metrics.i from
> functional_parquet.iceberg_query_metadata.data_files;
> {code}
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