cocoindex

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[FEATURE] make target deletion (drop) tolerate failures

2

When we delete (drop) a target backend, sometimes it fails because the connection is no longer available. Currently this may block flow's setup process. We want to make target deletion...

georgeh0

`refactor`: introduce structured error system w/ host exception tunneling

6

Addresses #1377 by introducing a structured error system that supports host exception tunneling. The core `CError` enum has four variants: `Context` for wrapping errors with messages (replacing [`anyhow::Context`](https://docs.rs/anyhow/latest/anyhow/trait.Context.html)), `HostLang` for...

Haleshot

## Summary This PR adds LEANN vector index target support to CocoIndex, enabling efficient RAG capabilities with 97% storage savings. ## Features - Efficient Vector Indexing: 97% storage savings via...

Ash-Blanc

feat: Support Python 3.14 free-threaded

1

This PR adds Python 3.14 free-threaded mode support to CocoIndex, resolving #1187 Key Changes: - Configure PyO3 for free-threaded mode (gil_used = false) - Add free-threaded feature and dependencies -...

wuxiaobai24

[FEATURE] Refactor Error Handling: Replace `anyhow` with structured `thiserror` to support Host Exception Tunneling

5

# Context & Motivation Currently, our Core library relies on `anyhow` for error handling. While convenient, this causes a major issue when interfacing with the Python runtime (PyO3). **The Problem:**...

georgeh0

[FEATURE] support ChromaDB as a builtin target

6

Similar to [LanceDB](https://cocoindex.io/docs/targets/lancedb) support. Please make ChromaDB an optional dependency. --- ❤️ Contributors, please refer to 📙[Contributing Guide](https://cocoindex.io/docs/about/contributing). Unless the PR can be sent immediately (e.g. just a few lines...

georgeh0

[FEATURE] Create a util to streamline test for flow functions in Python

5

Similar to #352, but to be used to test flow functions in Python. It takes the following input: - a function spec - input argument / types - input row(s)...

badmonster0

[FEATURE] support `VectorIndexMethod` in LanceDB

7

See #1051 for more context --- ❤️ Contributors, please refer to 📙[Contributing Guide](https://cocoindex.io/docs/about/contributing). Unless the PR can be sent immediately (e.g. just a few lines of code), we recommend you...

georgeh0

[FEATURE] Rust API

1

**What is the use case?** Most of my projects are fully in Rust or use Rust WASM. I do not want to drop to Python to manage AI-related activities **Describe...

gkgoat1

[FEATURE] support vector and FTS indexes in lancedb connector

5

**What is the use case?** support vector and FTS indexes in lancedb connector --- ❤️ Contributors, please refer to 📙[Contributing Guide](https://cocoindex.io/docs/about/contributing). Unless the PR can be sent immediately (e.g. just...

badmonster0