3.15.0 — 2025-11-29¶

Added¶

ScyllaDB/Cassandra Adapter - Implemented comprehensive adapter for ScyllaDB and Apache Cassandra databases following the Ports & Adapters pattern
- Added ScyllaDBPort and AsyncScyllaDBPort interfaces defining contracts for database operations
- Implemented ScyllaDBAdapter for synchronous operations with connection pooling and session management
- Implemented AsyncScyllaDBAdapter for asynchronous operations with async/await support
- Supports CQL query execution, prepared statements, batch operations, and CRUD operations
- Provides keyspace and table management (create, drop, use keyspace)
- Includes connection management with automatic reconnection and session lifecycle handling
- Supports configurable consistency levels (ONE, QUORUM, ALL, LOCAL_QUORUM, etc.)
- Implements shard awareness for optimal performance (can be disabled for Docker/Testcontainer environments)
- Includes LZ4 compression support for network traffic optimization

ScyllaDB Configuration - Added ScyllaDBConfig class for managing ScyllaDB connection settings
- Configurable contact points (cluster node addresses)
- Port configuration for CQL native transport (default: 9042)
- Authentication support (username/password)
- Protocol version selection (3-5)
- Connection and request timeout settings
- Consistency level configuration
- Compression enable/disable option
- Shard awareness control for containerized environments
- Integrated into BaseConfig as SCYLLADB attribute
- Added to configuration template with validation rules

ScyllaDB Test Container - Added ScyllaDBTestContainer class for integration testing
- Single-node ScyllaDB container configuration optimized for testing
- Dynamic port allocation to prevent conflicts
- Automatic configuration injection into global config
- Resource-efficient setup (1 CPU, 750MB memory)
- Integrated with ContainerManager for tag-based container startup
- Added @needs-scylladb tag support for selective test execution
BDD Test Suite - Comprehensive Behave test suite for ScyllaDB adapter
- Feature file covering keyspace operations, table management, CRUD operations
- Test scenarios for insert, select, update, delete operations
- Batch execution and prepared statement testing
- WHERE clause condition testing
- Error handling and edge case validation
- Step definitions implementing all adapter operations

New Optional Dependency Group - Added scylladb optional dependency group
- Added scylla-driver>=3.29.0 for ScyllaDB/Cassandra driver support
- Added lz4>=4.3.0 for compression support in network communication
- Enables ScyllaDB adapter functionality when installed via uv sync --extra scylladb