tostore 2.1.5

A advanced storage engine that supports relational and NoSQL database,data smart cache, multi-space architecture,file/local storage, SQL & key-value persistent store.

Changelog

All notable changes to this project will be documented in this file.

2.1.5

Added

• Added DataType.json to support JSON and Map data types.
• Added benchmark tests to simulate production environments with hundreds of thousands of concurrent operations (insert, update, delete, query) across multiple tables. This enables one-click validation of all database APIs and functional integrity, enhancing reliability.
• Added a data view for a more direct and intuitive data manipulation experience.

Changed

• Optimized space management.

2.1.4

Added

• Implemented a unified parallel computing scheduler to manage and execute concurrent tasks efficiently.
• Introduced noQueryCache method to allow explicit disabling of the query cache for individual queries.
• Added performance testing and one-click validation for all database interfaces, enabling comprehensive automated integrity checks.

Changed

• Optimized CPU-intensive operations by offloading them to background isolates, ensuring a smooth UI experience while maximizing computational throughput.
• Enhanced memory management with granular scheduling for multi-level cache systems.
• Re-architected indexing algorithms for improved scalability and performance with large-scale datasets.
• Significantly improved the throughput of write and delete buffers for high-volume data operations.
• Refined query cache mechanisms for better performance and control.

Fixed

• Resolved a memory overflow issue in the caching system when handling ultra-large datasets.

2.1.2

Changed

• Optimized cache cleanup logic for large-scale data scenarios.
• Refined B+Tree node splitting algorithm to handle high-volume index data more robustly.
• Optimized retrieval algorithms for binary search and range queries.

Fixed

• Addressed an issue in the query cache cleanup mechanism.

2.1.0

Added

• Added DefaultValueType to support default values that automatically fill current timestamp

Changed

• Enhanced B+Tree index structure for optimized retrieval efficiency and data access speed
• Improved data repair mechanisms for better consistency and reliability
• Optimized hash calculation algorithm for table structure comparison
• Improved overall system stability and reliability with comprehensive testing under high-load conditions

Fixed

• Fixed issues during index deletion process

2.0.8

Added

• Implemented comprehensive intelligent parallel processing mechanism for database operations, boosting performance by several times
• Added advanced computational models for cparallel processing
• Introduced dynamic resource allocation system for optimized memory management
• Enhanced buffering mechanism with predictive data loading capabilities

Changed

• Completely redesigned index architecture for faster data retrieval and reduced latency
• Optimized buffer management with improved write/delete handling
• Enhanced memory usage through dynamic allocation based on workload patterns
• Refined error handling and recovery processes for increased reliability

Fixed

• Resolved concurrency issues in high-load environments

2.0.6

Added

• Added useQueryCache and clearQueryCache APIs for fine-grained developer control over query caching
• Enhanced query capabilities with new condition, whereCustom methods and QueryCondition builder
• Implemented support for infinitely nestable complex query conditions with fully customizable data retrieval logic

Changed

• Optimized indexing algorithms for improved data retrieval performance
• Enhanced parallel processing mechanism for data migrations, increasing migration efficiency
• Improved documentation examples with additional complex query scenarios

Fixed

• Fixed issue where primary keys were not properly included in regular field indexes
• Resolved JOIN operation failures when primary and foreign keys had different types
• Implemented automatic repair for corrupted index structures, improving system stability

2.0.3

Changed

• Adjusted whether to delete backup files and whether to compress backup files when restoring them

Fixed

• Fixed the zip compression issue of backup files on the web platform

2.0.2

Changed

• Adjust document example

2.0.1

Fixed

• Fixed string comparison issue where values with and without quotes weren't being matched comparison
• Improved query execution for secondary indexes when handling string values
• Fixed empty results when querying non-primary index fields with quoted string values

2.0.0

Added

• Cross-platform support for Web, Linux, Windows, Mobile, and Mac platforms
• Neural network-inspired distributed architecture with interconnected node topology
• Efficient data partitioning mechanism for distributed processing
• Isolate parallel processing for improved read/write operations with dynamic workload balancing
• Multi-node computational network for parallel data operations
• Resource-aware distributed processing framework
• Distributed primary key algorithms (sequential, timestampBased, datePrefixed, shortCode)
• Support for unlimited node expansion with adaptive scaling
• Intelligent schema migration with precise table/field rename detection and automatic data migration
• Stream query interface (streamQuery) for efficient large data processing
• ChaCha20Poly1305 encryption algorithm for secure table data encoding/decoding
• Startup caching mechanism for faster application launch
• Enhanced data retrieval capabilities with optimized indexing and search patterns

Changed

• Complete architecture overhaul to support network-based distributed processing
• Enhanced cross-platform storage abstraction with efficient data distribution
• Intelligent workload distribution across computational nodes

Changed

• Optimized large file handling with chunked storage support

Fixed

• Fixed file path handling issues in cross-platform environments

1.8.8

Changed

• Improved auto increment setting validation and handling
• Enhanced data type validation with better error messages
• Added automatic primary key type conversion for auto increment
• Fixed DateTime serialization and validation
• Improved error handling in file operations

1.8.7

Breaking Changes

• Renamed renameTo to renameTable
• Changed field operation naming to be more consistent:
  • dropField -> removeField
  • dropIndex -> removeIndex

Enhancements

• Improved schema migration logic
• Optimized file operations using FileManager

Bug Fixes

• Fixed transaction handling in schema operations

1.8.6

• Update topics in pubspec.yaml
• Fix data type conversion in DataStoreImpl

1.8.5

Added

• Added automatic schema upgrade support through schemas parameter
• Added chainable schema update operations for table structure modifications
• Added comprehensive example for schema upgrades and migrations

Changed

• Improved table structure upgrade mechanism
• Enhanced documentation with schema upgrade examples
• Optimized constraint checking

1.8.4

Added

• Added upsert() for auto upsert data
• Supports both where conditions and primary key matching
• Chain-style API consistent with other operations
• Added array data type for storing List values
• Added array comparison and sorting support
• Optimized array type validation

1.8.3

• Added multi-language documentation support (日本語, 한국어, Español, Português, Русский, Deutsch, Français, Italiano, Türkçe)
• Reorganized documentation structure under docs/translations directory

1.8.2

Changed

• Optimized multi-space switching
• Refined documentation examples

1.8.1

Added

• Performance optimization for file operations
• Enhanced backup efficiency
• Improved index performance
• Basic cache strategy improvements

Changed

• Optimized query execution
• Enhanced memory usage
• Improved logging details
• Updated documentation

1.8.0

Added

• Performance improvements for multi-space operations
• Enhanced query optimization
• Basic monitoring capabilities
• Extended documentation

Changed

• Optimized storage engine performance
• Enhanced query execution
• Improved resource utilization

1.7.2

Changed

• Enhanced query performance
• Optimized index usage
• Improved cache efficiency
• Better resource management

1.7.1

Changed

• Optimized query execution
• Enhanced memory usage
• Improved space management
• Updated documentation

1.7.0

Added

• Enhanced query optimization
• Improved backup functionality
• Basic monitoring support
• Extended documentation

Changed

• Optimized resource usage
• Improved performance
• Enhanced documentation

1.6.1

Changed

• Enhanced operation efficiency
• Optimized resource usage
• Improved documentation
• Better developer experience

1.6.0

Added

• Basic backup and restore
• File-based security features
• Improved backup strategies
• Enhanced error handling

Changed

• Enhanced query performance
• Improved space management
• Better error handling

1.5.0

Added

• Basic indexing system
• Query result caching
• Basic monitoring

Changed

• Improved query optimizer
• Enhanced backup system
• Better error reporting

1.4.0

Added

• Basic transaction support
• concurrency control
• Enhanced error handling
• Basic migration support

Changed

• Performance optimization
• Enhanced error handling
• Improved documentation

1.3.0

Added

• Basic backup system
• Simple recovery tools
• Index improvements
• Query optimization

Changed

• Better space management
• Improved error handling
• Enhanced documentation

1.2.0

Added

• Basic query builder
• Enhanced type handling
• Simple validation
• Basic logging

Changed

• Improved performance
• Basic security
• Enhanced documentation

1.1.0

Added

• Enhanced query capabilities
• Basic transaction support
• Error handling
• Simple caching

Changed

• Performance optimization
• Type safety improvements
• Documentation updates

1.0.0

Added

• First stable release
• Basic CRUD operations
• Simple query system
• File-based storage
• Documentation

0.5.0

Added

• Beta release
• Basic storage engine
• Multi-space optimization
• Global tables support
• Simple indexing
• Query improvements

Changed

• Enhanced space switching
• Improved isolation
• Better data handling

0.4.0

Added

• Enhanced multi-space features
• Global data sharing
• Space switching
• Basic type support
• Documentation

Changed

• Space isolation
• Data sharing mechanism
• Space management

0.3.0

Added

• Multi-space architecture foundation
• Global tables initial support
• Space switching mechanism
• Core functionality
• Basic CRUD operations
• Simple queries

Changed

• Storage structure for multi-space
• Data isolation mechanism
• Space management

0.2.0

Added

• Core system implementation
• File handling
• Error handling
• Type support

0.1.0

Added

• Initial development release
• Basic file structure
• Core interfaces
• Simple storage implementation

0.0.1

Added

• Project initialization
• Basic project structure
• Development environment setup