Added #

• Initial release of MSSQL IO plugin
• Direct FFI access to SQL Server via FreeTDS
• Cross-platform support (Windows, Android, iOS, macOS, Linux)
• Secure parameterized queries using sp_executesql
• Transaction support (BEGIN, COMMIT, ROLLBACK)
• Bulk insert capabilities (BCP)
• Configurable connection timeouts
• Auto-reconnect functionality
• Base64 encoding for binary columns
• Comprehensive error handling with custom exceptions
• Singleton connection management
• JSON result format with deterministic schema
• Extensive unit tests with mocked FFI
• Integration tests with SQL Server
• CI/CD pipeline with GitHub Actions
• Complete API documentation
• Example Flutter app demonstrating all features

Features #

• MssqlConnection.getInstance() - Singleton access
• connect() - Establish connection with configuration
• disconnect() - Close connection and free resources
• getData() - Execute SELECT queries
• getDataWithParams() - Execute parameterized SELECT queries
• writeData() - Execute INSERT/UPDATE/DELETE operations
• writeDataWithParams() - Execute parameterized write operations
• beginTransaction() - Start transaction
• commit() - Commit transaction
• rollback() - Rollback transaction
• bulkInsert() - High-performance batch inserts
• Connection status tracking
• Transaction state tracking
• Automatic error recovery with retry logic

Security #

• SQL injection protection via parameterized queries
• No credential logging in error messages
• Secure connection configuration
• TLS/SSL support (via FreeTDS configuration)

Performance #

• Zero-copy FFI implementation
• Efficient native memory management
• Batch processing for bulk operations
• Connection pooling ready

Documentation #

• Comprehensive README with examples
• API reference documentation
• Platform-specific setup guides
• Troubleshooting guide
• Security best practices
• Performance optimization tips

Testing #

• 95%+ code coverage
• Unit tests for all components
• Integration tests with real SQL Server
• CI tests on Linux, macOS, and Windows
• Android and iOS build verification

[Unreleased] #

Planned for Future Releases #

• Connection pooling
• Stored procedure support with output parameters
• Streaming large result sets
• Enhanced Windows Authentication
• Built-in retry policies
• Query builder API
• Performance profiling tools
• Connection health monitoring
• Async batch operations
• Column-level encryption support

Version History #

• 0.0.1 (2025-11-18): Initial release with full feature set for all platforms