2. User Guide

• 2.1. Installing MongoEngine
• 2.2. Connecting to MongoDB
  • 2.2.1. Connect with URI string
  • 2.2.2. Connect with keyword attributes
  • 2.2.3. Read Preferences
  • 2.2.4. Multiple Databases
  • 2.2.5. Context Managers
• 2.3. Defining documents
  • 2.3.1. Defining a document’s schema
  • 2.3.2. Dynamic document schemas
  • 2.3.3. Fields
  • 2.3.4. Document collections
  • 2.3.5. Indexes
  • 2.3.6. Ordering
  • 2.3.7. Shard keys
  • 2.3.8. Document inheritance
  • 2.3.9. Abstract classes
• 2.4. Documents instances
  • 2.4.1. Saving and deleting documents
  • 2.4.2. Document IDs
• 2.5. Querying the database
  • 2.5.1. Filtering queries
  • 2.5.2. Query operators
  • 2.5.3. Sorting/Ordering results
  • 2.5.4. Limiting and skipping results
  • 2.5.5. Default Document queries
  • 2.5.6. Custom QuerySets
  • 2.5.7. Aggregation
  • 2.5.8. Query efficiency and performance
  • 2.5.9. Advanced queries
  • 2.5.10. Atomic updates
  • 2.5.11. Server-side javascript execution
• 2.6. Document Validation
  • 2.6.1. Built-in validation
  • 2.6.2. Custom validation
  • 2.6.3. Skipping validation
• 2.7. GridFS
  • 2.7.1. Writing
  • 2.7.2. Retrieval
  • 2.7.3. Streaming
  • 2.7.4. Deletion
  • 2.7.5. Replacing files
• 2.8. Signals
  • 2.8.1. Overview
  • 2.8.2. Attaching Events
• 2.9. Text Search
  • 2.9.1. Defining a Document with text index
  • 2.9.2. Querying
  • 2.9.3. Ordering by text score
• 2.10. Documents migration
  • 2.10.1. Example 1: Addition of a field
  • 2.10.2. Example 2: Inheritance change
  • 2.10.3. Example 4: Index removal
  • 2.10.4. Recommendations
  • 2.10.5. Post-processing checks
• 2.11. Logging/Monitoring
• 2.12. Use mongomock for testing
  • 2.12.1. Example of test file: