Dylan Guedes created SPARK-28645:
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Summary: Block redefinition of window
Key: SPARK-28645
URL: https://issues.apache.org/jira/browse/SPARK-28645
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Dylan Guedes
Currently in Spark one could redefine a window. For instance:
{code:sql}select count(*) OVER w FROM tenk1 WINDOW w AS (ORDER BY unique1), w
AS (ORDER BY unique1);{code}
The window `w` is defined two times. In PgSQL, on the other hand, a thrown will
happen:
{code:sql}ERROR: window "w" is already defined{code}
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