Support aggregation function within window function

[xd1313113]

Relevant Issue/Bug

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Requested Solution/Feature

support aggregation functions with window function

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Additional Context

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DoD (Definition of Done)

support aggregation functions with window function
SUM(): Sums values within a window.
AVG(): Calculates the average value within a window.
COUNT(): Counts the rows within a window.
MAX(): Returns the maximum value in the window.
MIN(): Returns the minimum value in the window.