Module resolver 

Column Resolver Module

This module provides functionality for resolving column references to their source tables. It handles:

• Finding which table a column belongs to
• Resolving ambiguous column references
• Handling join context for disambiguation
• Supporting set operations (UNION, INTERSECT, EXCEPT)

Based on the Python implementation in sqlglot/optimizer/resolver.py.

Structs

Resolver

Helper for resolving columns to their source tables.

Enums

ResolverError

Errors that can occur during column resolution

Functions

is_column_ambiguous

Check if a column is ambiguous in the given scope.

resolve_column

Resolve a column to its source table.

Type Aliases

ResolverResult

Result type for resolver operations