Memgraph agent 0

.gitignore

@@ -171,4 +171,8 @@ cython_debug/
 .ruff_cache/
 
 # PyPI configuration file
-.pypirc
+.pypirc
+
+
+# VS Code
+.vscode/

integrations/agents/.env.example

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+# OpenAI API Configuration
+OPENAI_API_KEY=your_actual_openai_api_key
+
+# MySQL Database Configuration
+MYSQL_HOST=localhost
+MYSQL_USER=root
+MYSQL_PASSWORD=your_mysql_password
+MYSQL_DATABASE=sakila
+MYSQL_PORT=3306
+
+# Memgraph Database Configuration
+MEMGRAPH_URL=bolt://localhost:7687
+MEMGRAPH_USERNAME=
+MEMGRAPH_PASSWORD=
+MEMGRAPH_DATABASE=memgraph

integrations/agents/ENHANCEMENTS.md

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+# Migration Agent Enhancements Summary
+
+## Overview
+
+Successfully implemented the three major enhancements requested for the MySQL to Memgraph migration agent:
+
+### 1. Foreign Keys to Relationships ✅
+
+- **Enhanced Database Analyzer**: Added logic to detect and categorize foreign key relationships
+- **Updated Cypher Generator**: Modified node creation to exclude foreign key columns from properties
+- **Relationship Creation**: Foreign keys are now converted to graph relationships instead of node properties
+
+### 2. Join Tables to Relationships ✅
+
+- **Join Table Detection**: Implemented `is_join_table()` method to identify many-to-many tables
+- **Schema Classification**: Tables are now categorized as "entity" or "join" types
+- **Many-to-Many Relationships**: Join tables are converted to relationships with their non-FK columns as properties
+- **Data Handling**: Added specialized data preparation for join table relationship creation
+
+### 3. Configurable Relationship Labels ✅
+
+- **Multiple Naming Strategies**: Implemented three different approaches:
+  - **Smart Strategy**: Intelligent naming based on common patterns (default)
+  - **Table-Based Strategy**: Uses table names directly
+  - **LLM Strategy**: Uses OpenAI to generate contextual names
+- **Fallback Logic**: LLM strategy falls back to smart strategy if AI generation fails
+
+## Key Files Modified
+
+### `database_analyzer.py`
+
+- Added `is_join_table()` method for detecting junction tables
+- Added `get_table_type()` method for table classification
+- Enhanced `get_database_structure()` to separate entity and join tables
+- Updated relationship detection to handle both one-to-many and many-to-many
+
+### `cypher_generator.py`
+
+- Added relationship naming strategy configuration
+- Enhanced node creation to exclude foreign key columns
+- Added support for many-to-many relationship generation
+- Implemented three relationship naming strategies with LLM integration
+- Added specialized data preparation methods
+
+### `main.py`
+
+- Updated constructor to accept relationship naming strategy
+- Enhanced migration execution to handle entity vs join tables
+- Improved relationship creation workflow
+- Added proper data flow for both types of relationships
+
+### Documentation
+
+- Updated `README.md` with comprehensive documentation
+- Created `enhanced_example.py` demonstrating new features
+- Added examples and usage patterns
+
+## Technical Improvements
+
+### Schema Analysis
+
+- Automatic detection of join tables based on foreign key ratio
+- Classification of tables into entity and join categories
+- Enhanced foreign key analysis and relationship mapping
+
+### Query Generation
+
+- Foreign key columns excluded from node properties
+- Specialized handling for one-to-many vs many-to-many relationships
+- Configurable relationship naming with multiple strategies
+- Proper handling of relationship properties from join tables
+
+### Data Migration
+
+- Separate workflows for entity tables and join tables
+- FK column exclusion during node creation
+- Join table data converted to relationship properties
+- Proper ordering of migration steps
+
+## Usage Examples
+
+### Basic Usage with Smart Naming
+
+```python
+agent = MySQLToMemgraphAgent()  # Uses "smart" strategy by default
+```
+
+### Table-Based Naming
+
+```python
+agent = MySQLToMemgraphAgent(relationship_naming_strategy="table_based")
+```
+
+### LLM-Based Naming
+
+```python
+agent = MySQLToMemgraphAgent(relationship_naming_strategy="llm")
+```
+
+## Benefits
+
+1. **Better Graph Modeling**: Foreign keys become proper relationships instead of properties
+2. **Cleaner Node Structure**: Node properties only contain actual entity attributes
+3. **Rich Relationships**: Join table columns become relationship properties
+4. **Flexible Naming**: Multiple strategies for generating meaningful relationship names
+5. **Automatic Detection**: No manual configuration needed for join table identification
+6. **Backward Compatibility**: Existing functionality remains intact
+
+## Testing
+
+The enhanced agent has been tested with:
+
+- ✅ Sakila database (film_actor, film_category join tables)
+- ✅ Foreign key relationship detection
+- ✅ Join table classification
+- ✅ All three naming strategies
+- ✅ Data type mappings and conversions
+
+## Next Steps
+
+The migration agent now provides a robust foundation for MySQL to Memgraph migrations with proper graph modeling principles. Future enhancements could include:
+
+- Support for more complex relationship patterns
+- Custom relationship property mappings
+- Advanced schema optimization suggestions
+- Performance optimizations for large datasets
+- Support for additional database sources
+
+All requested features have been successfully implemented and are ready for production use!