Module index_values 

Shared value semantics for materialized expression index keys.

Constants

LOWERCASE_EXPANSION

Maximum scalar-count expansion of Rust’s supported Unicode lowercase mapping. The exhaustive Unicode unit proof detects any future toolchain expansion.

Functions

comparison_key

Resolves an ordinary logical key to its exact physical comparison representation.

derived_fields

Includes JSON comparison keys and declared Unicode expression keys once each.

derived_key

Resolves the protected physical key for one declared source field.

derived_value

Computes protected values through a single backend-neutral implementation.

inline_field_capacity 🔒

Accounts for bounded inline values and external-value descriptors conservatively.

json_comparison_key

Creates a bounded adapter-owned JSON comparison column name.

json_comparison_value

Encodes canonical JSON as UTF-8 text for identical equality and ordering.

lowercase_fields

Lists source fields that participate in lowercase expression keys.

lowercase_key

Creates a bounded adapter-owned column name without app identifier collisions.

lowercase_value

Applies Rust’s locale-independent Unicode lowercase mapping with contextual rules. Null remains null; ordinary index fields always retain their original values.

reference_keys

Maps a JSON relationship to the canonical keys used for its native constraint.

validate_entity_budget

Bounds complete physical declarations, including protected and conditional keys. All adapters share these limits; oversized declarations fail before storage access.

validate_index_budget

Enforces a portable full-key budget before any native index is created.

validate_lowercase_sources

Checks the expression source type before any physical backend receives a schema.