# VectorType

> **Class** in `langchain_azure_postgresql`

📖 [View in docs](https://reference.langchain.com/python/langchain-azure-postgresql/common/_shared/VectorType)

Enumeration for vector types used in vector similarity search.

## Signature

```python
VectorType()
```

## Extends

- `str`
- `Enum`

## Properties

- `bit`
- `halfvec`
- `sparsevec`
- `vector`

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[View source on GitHub](https://github.com/langchain-ai/langchain-azure/blob/607b649e909f217be20d7a50804ca11534c08eea/libs/azure-postgresql/src/langchain_azure_postgresql/common/_shared.py#L219)