Andrew Pilloud created BEAM-9777:
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Summary: 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
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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