Module normalize 

Statement normalization (alias removal, catalog binding) used by the canonical-form / dedup paths.

Functions

normalize_statement

Normalizes an already-parsed Statement against catalog.

parse_and_normalize

Parses sql and returns a normalized statement (alias removal, catalog-driven type binding) suitable for stable canonical-form comparisons.

validate_statement_against_catalog

Convenience wrapper: normalizes statement against catalog purely for the side-effect of catalog validation.