cloud-fan commented on a change in pull request #30512:
URL: https://github.com/apache/spark/pull/30512#discussion_r531439870
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File path: sql/core/src/test/resources/sql-tests/inputs/window.sql
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@@ -250,4 +250,16 @@ WINDOW w AS (
ORDER BY salary DESC
RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
)
-ORDER BY department;
\ No newline at end of file
+ORDER BY department;
+
+SELECT
+ employee_name,
+ salary,
+ first_value(employee_name) OVER w highest_salary,
+ nth_value(employee_name, 2) OVER w second_highest_salary
+FROM
+ basic_pays
+WINDOW
+ w AS (ORDER BY salary DESC ROWS BETWEEN UNBOUNDED PRECEDING AND 1
FOLLOWING),
Review comment:
is the window spec name case insensitive?
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