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https://issues.apache.org/jira/browse/IMPALA-11692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Becker resolved IMPALA-11692.
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Resolution: Fixed
> Struct slot memory sharing involving select * not working properly
> -------------------------------------------------------------------
>
> Key: IMPALA-11692
> URL: https://issues.apache.org/jira/browse/IMPALA-11692
> Project: IMPALA
> Issue Type: Bug
> Reporter: Daniel Becker
> Assignee: Daniel Becker
> Priority: Major
>
> With EXPAND_COMPLEX_TYPES=1, if there are structs coming from the star
> expansion and members of the structs are also given explicitly, slot memory
> sharing does not work in some cases:
> {code:java}
> explain select * from functional_orc_def.complextypes_nested_structs;
> row-size=64B{code}
> {code:java}
> explain select *, outer_struct.inner_struct1 from
> functional_orc_def.complextypes_nested_structs;
> row-size=80B{code}
> The row size should be the same in both cases as outer_struct.inner_struct1
> is part of outer_struct which is included in the star.
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