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https://issues.apache.org/jira/browse/DRILL-6546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16531508#comment-16531508
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ASF GitHub Bot commented on DRILL-6546:
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vvysotskyi commented on issue #1346: DRILL-6546: Allow unnest function with
nested columns and complex expressions
URL: https://github.com/apache/drill/pull/1346#issuecomment-402185262
Unit tests failures after rebase were caused by another bug. It appears when
a query has a single expression in project list and this expression is taken
from the unnest. In this case, name of this field in unnest rel node is lost
due to the change made in DRILL-6545.
I have fixed this bug and added one more unit test for this case.
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> Allow unnest function with nested columns and complex expressions
> -----------------------------------------------------------------
>
> Key: DRILL-6546
> URL: https://issues.apache.org/jira/browse/DRILL-6546
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Volodymyr Vysotskyi
> Assignee: Volodymyr Vysotskyi
> Priority: Major
> Fix For: 1.14.0
>
>
> Currently queries with unnest and nested columns or complex expressions
> inside fails:
> {code:sql}
> select u.item from cp.`lateraljoin/nested-customer.parquet` c,
> unnest(c.orders.items) as u(item)
> {code}
> fails with error:
> {noformat}
> VALIDATION ERROR: From line 2, column 10 to line 2, column 21: Column
> 'orders.items' not found in table 'c'
> {noformat}
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