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[scr_ecto-103] Improve options/configuration described in README #104

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[scr_ecto-103] Improve options/configuration described in README #104

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scr_ecto-103 | Improve options/configuration described in README.
theirishpenguin Jun 27, 2023
89105cb
reinitialise checks
theirishpenguin Nov 13, 2024
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29 changes: 29 additions & 0 deletions README.md
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Expand Up @@ -66,6 +66,35 @@ page =
|> MyApp.Repo.paginate(page: 2, page_size: 5)
```

## Supported Options

There are several options that can be supplied in a dedicated `options` keyword list arg. Here is an example of using `options`...

```elixir
defmodule MyApp.Repo do
use Ecto.Repo, otp_app: :my_app, adapter: Ecto.Adapters.Postgres
use Scrivener, options: [allow_overflow_page_number: true]
end
```

Here is an explanation of the supported options...

* `:allow_overflow_page_number` - If set to true then when you supply a page greater than the total pages, it will return an empty list for entries. If set to false then it will (silently) treat any supplied `page` arg as if it was equal to the total pages. Default is false.

## Other Configuration

The behaviour of Ecto Scrivener can also be optionally configured by passing things directly to the `use Scrivener` statement rather than via the `options` keyword list arg. For example...

```elixir
defmodule MyApp.Module do
use Scrivener, page_size: 5, max_page_size: 100
end
```

Here is an explanation of the directly configurable keys...

* `:max_page_size` - This (silently) enforces a hard ceiling for the page size, even if you allow users of your application to specify page_size via query parameters. If not provided, there will be no limit to page size.

## Installation

Add `scrivener_ecto` to your `mix.exs` `deps`.
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