# DiskANNSearchParams

> **Class** in `langchain_azure_postgresql`

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

Search-time parameters for DiskANN indexes.

All settings are exported with the ``diskann.`` prefix when used in SQL.

:param l_value_is: The value of the L parameter for DiskANN index searching.
:type l_value_is: PositiveInt | None
:param iterative_search: The iterative search mode for DiskANN index searching.
:type iterative_search: DiskANNIterativeScanMode | None

## Signature

```python
DiskANNSearchParams()
```

## Extends

- `SearchParams`

## Properties

- `l_value_is`
- `iterative_search`

## Methods

- [`search_settings()`](https://reference.langchain.com/python/langchain-azure-postgresql/common/_shared/DiskANNSearchParams/search_settings)

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[View source on GitHub](https://github.com/langchain-ai/langchain-azure/blob/e62c2a55aaa0942fdac739b4066011953b80018e/libs/azure-postgresql/src/langchain_azure_postgresql/common/_shared.py#L325)