# IVFFlatSearchParams

> **Class** in `langchain_azure_postgresql`

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

Search-time parameters for IVF-Flat indexes.

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

:param probes: The number of probes to use during IVF-Flat index searching.
:type probes: PositiveInt | None
:param iterative_scan: The iterative search mode for IVF-Flat index searching.
:type iterative_scan: IVFFlatIterativeScanMode | None
:param max_probes: The maximum number of probes to use during IVF-Flat index
                   searching.
:type max_probes: PositiveInt | None

## Signature

```python
IVFFlatSearchParams()
```

## Extends

- `SearchParams`

## Properties

- `probes`
- `iterative_scan`
- `max_probes`

## Methods

- [`search_settings()`](https://reference.langchain.com/python/langchain-azure-postgresql/common/_shared/IVFFlatSearchParams/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#L510)