Module analytic_parser 

Analytic window function detection and extraction

Analyzes SQL queries for analytic functions like LAG, LEAD, FIRST_VALUE, LAST_VALUE, and NTH_VALUE with OVER clauses. These are per-row window functions (distinct from GROUP BY aggregate windows like TUMBLE/HOP/SESSION).

Structs

AnalyticFunctionInfo

Information about a single analytic function call.

AnalyticWindowAnalysis

Result of analyzing analytic functions in a query.

Enums

AnalyticFunctionType

Types of analytic window functions.

Functions

analyze_analytic_functions

Analyzes a SQL statement for analytic window functions.