Module scope 

Scope Analysis Module

This module provides scope analysis for SQL queries, enabling detection of correlated subqueries, column references, and scope relationships.

Ported from sqlglot’s optimizer/scope.py

Structs

ColumnRef

A column reference found in a scope

Scope

Represents a scope in a SQL query

SourceInfo

Information about a source (table or subquery) in a scope

Enums

ScopeType

Type of scope in a SQL query

Functions

build_scope

Build scope tree from an expression

find_all_in_scope

Find all expressions matching the predicate within this scope.

find_in_scope

Find the first expression matching the predicate within this scope.

traverse_scope

Traverse an expression by its “scopes”.

walk_in_scope

Walk within a scope, yielding expressions without crossing scope boundaries.