Request DB

This section covers all available DB (Database) operations for the Node.js SDK when interacting with Ahnlich DB.

Ahnlich DB is the core vector storage engine that provides:

• Vector storage with configurable dimensions
• Similarity search using various algorithms
• Metadata filtering with predicates
• Non-linear indexing (HNSW) for faster searches

Available Operations

Server Operations

• Ping - Health check
• Info Server - Get server information
• List Connected Clients - List all connected clients

Store Operations

• List Stores - List stores in a schema
• Get Store - Get details of a specific store
• Create Store - Create a new store
• Drop Store - Delete a store

Data Operations

• Set - Insert or update entries
• Upsert - Update a single entry matching a predicate
• Get Key - Retrieve entries by key
• GetSimN - Find N most similar entries
• Get By Predicate - Filter entries by metadata
• Delete Key - Delete entries by key
• Delete Predicate - Delete entries matching a predicate

Index Operations

• Create Predicate Index - Create metadata index
• Drop Predicate Index - Remove metadata index
• Create Non Linear Algorithm Index - Create HNSW index
• Drop Non Linear Algorithm Index - Remove HNSW index