Peter Toth created SPARK-28002:
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Summary: Support WITH clause column aliases
Key: SPARK-28002
URL: https://issues.apache.org/jira/browse/SPARK-28002
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Peter Toth
PostgreSQL supports column aliasing in a CTE so this is valid query:
{noformat}
WITH t(x) AS (SELECT 1)
SELECT * FROM t WHERE x = 1{noformat}
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