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Apr 10, 2025
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Update README.md #198

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8 changes: 3 additions & 5 deletions README.md
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Expand Up @@ -23,16 +23,14 @@ The package supports the [asyncpg](https://github.com/MagicStack/asyncpg) and [p
pip install -U langchain-postgres
```

## Usage

### Vectorstore
## Vectorstore

> [!WARNING]
> In v0.0.14+, `PGVector` is deprecated. Please migrate to `PGVectorStore`
> for improved performance and manageability.
> See the [migration guide](https://github.com/langchain-ai/langchain-postgres/blob/main/examples/migrate_pgvector_to_pgvectorstore.md) for details on how to migrate from `PGVector` to `PGVectorStore`.

### Quickstart
### Documentation

* [Quickstart](https://github.com/langchain-ai/langchain-postgres/blob/main/examples/pg_vectorstore.ipynb)
* [How-to](https://github.com/langchain-ai/langchain-postgres/blob/main/examples/pg_vectorstore_how_to.ipynb)
Expand Down Expand Up @@ -81,7 +79,7 @@ print(docs)
> [!TIP]
> All synchronous functions have corresponding asynchronous functions

### ChatMessageHistory
## ChatMessageHistory

The chat message history abstraction helps to persist chat message history
in a postgres table.
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