Module qualify_columns 

Column qualification and star expansion Column Qualification Module

This module provides functionality for qualifying column references in SQL queries, adding table qualifiers to column names and expanding star expressions.

Ported from sqlglot’s optimizer/qualify_columns.py

Structs

QualifyColumnsOptions

Options for column qualification

Enums

QualifyColumnsError

Errors that can occur during column qualification

Functions

pushdown_cte_alias_columns

Pushdown CTE alias columns into the projection.

qualify_columns

Rewrite SQL AST to have fully qualified columns.

qualify_outputs

Ensure all output columns in a SELECT are aliased.

quote_identifiers

Quote identifiers that need quoting based on dialect rules.

validate_qualify_columns

Validate that all columns in an expression are qualified.

Type Aliases

QualifyColumnsResult

Result type for column qualification operations