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Elixir client for ClickHouse, a fast open-source Online Analytical Processing (OLAP) database management system.

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pillar stuff advanced http_adapters.md
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stuff/advanced/http_adapters.md 

# HTTP Adapters



Pillar supports multiple HTTP adapters for communicating with ClickHouse servers. This allows you to choose the best implementation for your specific requirements or environment.



## Available Adapters



Pillar comes with two built-in HTTP adapters:



1. **Tesla Mint Adapter** (default) - Uses [Tesla](https://github.com/teamon/tesla) with the [Mint](https://github.com/elixir-mint/mint) HTTP client

2. **Httpc Adapter** - Uses Erlang's built-in `:httpc` module



## Adapter Architecture



Each adapter implements the `Pillar.HttpClient.Adapter` behaviour, which requires a `post/3` function:



```elixir

@callback post(url :: String.t(), post_body :: String.t(), options :: keyword()) ::

            Pillar.HttpClient.Response.t()

            | Pillar.HttpClient.TransportError.t()

            | %{__struct__: RuntimeError, message: String.t()}

```