Changelog

All notable changes to langchain-cockroachdb will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.1.0 - 2024-01-31

Added

• Initial release of langchain-cockroachdb
• CockroachDBEngine for connection management
• AsyncCockroachDBVectorStore for async vector operations
• CockroachDBVectorStore sync wrapper
• CSPANNIndex for C-SPANN vector indexes
• HybridSearchConfig for FTS + vector search
• CockroachDBChatMessageHistory for chat persistence
• Automatic retry logic with exponential backoff
• Comprehensive test suite (92 tests)
• Full documentation with mkdocs
• 7 working examples
• Support for Python 3.9-3.12

Features

• Native CockroachDB VECTOR type support
• C-SPANN distributed vector indexes
• Advanced metadata filtering
• Connection pooling with health checks
• Configurable retry parameters
• Both async and sync APIs
• Multi-tenant index support