# Changelog
All notable changes to the `tensorlogic-adapters` crate will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.1.0-beta.1] - 2026-01-28
### Added
- First beta release with all alpha.2 features stabilized
- Production-ready status
- 490 tests passing (100% pass rate)
## [0.1.0-alpha.2] - 2025-11-17
### Added
#### Advanced Features
- **Incremental Validation System** (`incremental_validation.rs` - 937 lines)
- `ChangeTracker` for recording schema modifications
- `IncrementalValidator` with 10-100x speedup for large schemas
- `ValidationCache` for caching validation results
- `DependencyGraph` for tracking component relationships
- Batch operation support for atomic updates
- Change statistics and affected component analysis
- **Query Planning & Optimization** (`query_planner.rs` - 779 lines)
- `QueryPlanner` with cost-based optimization
- Multiple index strategies (hash, range, composite, inverted)
- Rich query language (by name, arity, signature, pattern, domain)
- `PredicatePattern` with wildcard matching
- Query AND/OR combinators
- Plan caching for repeated queries
- Query statistics tracking (execution count, selectivity, timing)
- **Schema Evolution & Migration** (`evolution.rs` - 822 lines)
- `EvolutionAnalyzer` for detecting changes between schema versions
- Breaking change detection with severity categorization
- `MigrationPlan` generation with rollback support
- Compatibility analysis (backward/forward)
- Semantic versioning recommendations (`VersionBump`)
- Change impact assessment
- Migration hints and suggestions
- **Product Domains** (`product.rs` - 497 lines)
- Cartesian product types for cross-domain reasoning
- Binary/ternary product constructors
- Automatic cardinality computation
- Projection and slicing operations
- Integration with symbol table
- **Computed Domains** (`computed.rs` - 732 lines)
- Virtual domains derived from operations
- Filter, union, intersection, difference, product operations
- Lazy evaluation with caching
- Automatic cardinality bound computation
- Dependency tracking via `ComputedDomainRegistry`
- **Lazy Loading** (`lazy.rs` - 600 lines)
- `LazySymbolTable` for on-demand schema loading
- Pluggable `SchemaLoader` trait
- Built-in `FileSchemaLoader`
- Load strategies: Eager, OnDemand, Predictive, Batched
- LRU caching with statistics
- Support for huge schemas (millions of components)
#### Testing Infrastructure
- **Property-Based Tests** (+14 tests in `proptest_validation.rs`)
- Schema evolution property tests (5 tests)
- Reflexivity, backward compatibility, breaking change detection
- Migration plan generation verification
- Query planner property tests (5 tests)
- Query correctness, determinism
- Cache effectiveness validation
- Evolution module never panics tests
- Query planner robustness tests
- **CLI Integration Tests** (+4 tests in `integration_tests.rs`)
- `test_cli_validate_valid_schema` - Schema validation tool
- `test_cli_migrate_convert` - JSON↔YAML conversion
- `test_cli_migrate_diff` - Schema diff functionality
- `test_cli_migrate_merge` - Schema merging
- All tests use proper temporary file handling
#### Documentation
- **Benchmark Documentation** (`benches/README.md`)
- Comprehensive benchmark guide (300+ lines)
- Performance guidelines for small/medium/large schemas
- Optimization checklist
- Performance targets and goals
- CI integration instructions
- **Enhanced Examples** (13 total examples)
- `13_advanced_integration.rs` - All advanced features combined
- Updated all example documentation
### Changed
- Updated README with accurate statistics
- Test count: 223 tests (100% passing)
- Lines of code: 11,875 (production code)
- 13 comprehensive examples
- 4 benchmark suites
### Performance
- Incremental validation: **10-100x speedup** for large schemas
- Query cache hits: **<100ns** (near-instant)
- Schema diff (small): **<20µs**
- Cache hit rate: **90%+** for typical workflows
### Quality
- **Zero compiler warnings**
- **Zero clippy warnings**
- **223/223 tests passing** (100% success rate)
- Comprehensive property-based testing
- Full CLI integration test coverage
## [0.1.0-alpha.1] - 2025-11-03
### Added
#### Core Features
- **Symbol Table System** (`symbol_table.rs`)
- Central registry for domains, predicates, and variables
- Efficient lookups with IndexMap (O(1))
- JSON/YAML serialization support
- Clone and merge operations
- **Domain Management** (`domain.rs`)
- Domain definitions with cardinality
- Element enumeration support
- Element index lookup
- Metadata attachment
- **Predicate System** (`predicate.rs`)
- Predicate metadata with arity tracking
- Argument domain specifications
- Constraint attachment
- Arity validation
- **Domain Hierarchy** (`hierarchy.rs`)
- Subtype relationships
- Transitive closure computation
- Cycle detection
- Least common supertype finding
- **Predicate Constraints** (`constraint.rs`)
- Logical properties (symmetric, transitive, reflexive, etc.)
- Value range constraints
- Functional dependencies
- **Parametric Types** (`parametric.rs`)
- Generic domains (List<T>, Option<T>, Pair<A,B>, Map<K,V>)
- Nested parametric types
- Type bounds and constraints
- Type substitution
- **Predicate Composition** (`composition.rs`)
- Composite predicate definitions
- Macro expansion with parameter substitution
- Predicate templates
- Composition operators (AND, OR, NOT)
- **Rich Metadata** (`metadata.rs`)
- Provenance tracking
- Version history
- Documentation with examples
- Tagging system with categories
- Custom attributes
- **Schema Validation** (`validation.rs`)
- Completeness checks
- Consistency validation
- Semantic analysis
- Detailed validation reports
- **Schema Analysis** (`schema_analysis.rs`)
- Comprehensive statistics
- Complexity scoring
- Usage pattern detection
- Recommendations engine
- **Performance Optimizations** (`performance.rs`)
- String interning
- LRU lookup caching
- Memory usage tracking
- **Compact Representation** (`compact.rs`)
- Binary serialization with compression
- String deduplication
- Compression statistics
- **Signature Matching** (`signature_matcher.rs`)
- O(1) predicate lookups by arity/signature
- Statistics tracking
- **Schema Diff** (`diff.rs`)
- Schema comparison
- Modification tracking (domains, predicates, variables)
- Compatibility checking
- Merge operations
- **Compiler Integration** (`compiler_integration.rs`)
- Export/import for compiler context
- Signature registry building
- Bundle validation
- **Schema Builder** (`builder.rs`)
- Fluent API for schema construction
- Type-safe building
- Validation during construction
#### CLI Tools
- **schema_validate** (`src/bin/schema_validate.rs`)
- Schema validation with detailed reports
- Analysis mode for recommendations
- Statistics output
- JSON/YAML support
- **schema_migrate** (`src/bin/schema_migrate.rs`)
- Format conversion (JSON↔YAML)
- Schema merging
- Diff computation
- Compatibility checking
#### Examples (13 total)
1. `01_symbol_table_basics.rs` - Basic symbol table usage
2. `02_domain_hierarchy.rs` - Type hierarchies
3. `03_parametric_types.rs` - Generic types
4. `04_predicate_composition.rs` - Composite predicates
5. `05_metadata_provenance.rs` - Metadata and tracking
6. `06_signature_matching.rs` - Fast lookups
7. `07_schema_analysis.rs` - Analysis and recommendations
8. `08_schema_builder.rs` - Fluent API
9. `09_product_domains.rs` - Cartesian products
10. `10_computed_domains.rs` - Virtual domains
11. `11_lazy_loading.rs` - On-demand loading
12. `12_comprehensive_integration.rs` - Integration patterns
13. `13_advanced_integration.rs` - Advanced features
#### Benchmarks (4 suites)
1. `symbol_table_benchmarks.rs` - Core operations
2. `incremental_validation_benchmarks.rs` - Validation performance
3. `query_planner_benchmarks.rs` - Query optimization
4. `schema_evolution_benchmarks.rs` - Evolution analysis
#### Testing
- 209 unit tests (100% passing)
- Integration tests for real-world scenarios
- Property-based tests with proptest
- Comprehensive test coverage
### Documentation
- Comprehensive README (550+ lines)
- API documentation with examples
- CLI usage guides
- Architecture overview
## [Unreleased]
### Planned Features
- [ ] SIMD-accelerated validation
- [ ] Parallel schema diff computation
- [ ] Streaming serialization for large schemas
- [ ] Custom memory allocators
- [ ] Zero-copy deserialization
- [ ] GraphQL schema import
- [ ] OpenAPI/Swagger integration
- [ ] Advanced caching strategies
- [ ] Distributed schema management
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**Versioning**: Following Semantic Versioning 2.0.0
**Repository**: https://github.com/cool-japan/tensorlogic
**License**: Apache-2.0