Function analyze_analytic_functions 

pub fn analyze_analytic_functions(
    stmt: &Statement,
) -> Option<AnalyticWindowAnalysis>

Analyzes a SQL statement for analytic window functions.

Walks SELECT items looking for functions with OVER clauses that match LAG, LEAD, FIRST_VALUE, LAST_VALUE, or NTH_VALUE. Returns None if no analytic functions are found.

Arguments

• stmt - The SQL statement to analyze

Returns

An AnalyticWindowAnalysis if analytic functions are found, or None.