Module expr 

Expression representation and evaluation

Modules

helpers

Helper functions for expression evaluation

Structs

WindowFrame

Window frame specification

WindowFunction

Complete window function specification

WindowOrderByExpr

ORDER BY expression for window functions

Enums

AggregateFunction

Built-in aggregate functions

BinaryOp

Binary operations between expressions

Expr

Expression tree

FrameBound

Window frame bound specification

FrameUnit

Window frame unit

SubqueryCompareOp

Comparison operator for ANY/ALL subqueries

SubqueryType

Subquery type classification

UnaryOp

Unary operations on expressions

WindowFunctionType

Window function types

WindowSortOrder

Sort order for ORDER BY in window functions

Functions

eval_function

Evaluate a built-in function by name