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https://issues.apache.org/jira/browse/BEAM-9777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548539#comment-17548539
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Danny McCormick commented on BEAM-9777:
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This issue has been migrated to https://github.com/apache/beam/issues/20171
> Support UNNEST(ARRAY[STRUCT()])
> -------------------------------
>
> Key: BEAM-9777
> URL: https://issues.apache.org/jira/browse/BEAM-9777
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql-zetasql
> Reporter: Andrew Pilloud
> Priority: P3
>
> It would be nice to be able to UNNEST an array of structs. For example:
> {code:sql}
> WITH pcol AS
> (SELECT 1 AS key, ARRAY[STRUCT("abc" AS name, "rst" AS slot),STRUCT("def"
> AS name, "uvw" AS slot)] AS promo
> UNION ALL
> SELECT 2 AS key, ARRAY[STRUCT("ghi" AS name, "xyz" AS slot)] AS promo)
> SELECT * FROM pcol, UNNEST(pcol.promo);
> {code}
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