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https://issues.apache.org/jira/browse/IMPALA-12751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Becker updated IMPALA-12751:
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Epic Link: IMPALA-9494
> Crash unnesting nested array coming from UNION ALL
> --------------------------------------------------
>
> Key: IMPALA-12751
> URL: https://issues.apache.org/jira/browse/IMPALA-12751
> Project: IMPALA
> Issue Type: Bug
> Components: Backend, Frontend
> Reporter: Daniel Becker
> Priority: Major
>
> Unnesting a 2D array coming from a UNION ALL crashes:
> {code:java}
> with v0 as (select arr_int_2d from collection_tbl
> union all select arr_int_2d from collection_tbl)
> select a.item middle from v0, v0.arr_int_2d a;{code}
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