---
name: "App::Sqitch::Role::DBIEngine"
section: "3pm"
platform: "linux"
package: "sqitch"
version: "1.5.2-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/App::Sqitch::Role::DBIEngine"
---

# App::Sqitch::Role::DBIEngine(3pm)

An engine based on the DBI

## Name

App::Sqitch::Command::checkout - An engine based on the DBI

## Synopsis

```
  package App::Sqitch::Engine::sqlite;
  extends 'App::Sqitch::Engine';
  with 'App::Sqitch::Role::DBIEngine';
```

## Description

This role encapsulates the common attributes and methods required by DBI-powered engines.

## Interface

### Instance Methods

*"earliest\_change\_id"*

*"latest\_change\_id"*

*"current\_state"*

*"current\_changes"*

*"current\_tags"*

*"search\_events"*

*"registered\_projects"*

*"register\_project"*

*"is\_deployed\_change"*

*"are\_deployed\_changes"*

*"log\_deploy\_change"*

*"log\_fail\_change"*

*"changes\_requiring\_change"*

*"name\_for\_change\_id"*

*"log\_new\_tags"*

*"log\_revert\_change"*

*"begin\_work"*

*"finish\_work"*

*"rollback\_work"*

*"is\_deployed\_tag"*

*"deployed\_changes"*

*"deployed\_changes\_since"*

*"load\_change"*

*"change\_offset\_from\_id"*

*"change\_id\_offset\_from\_id"*

*"change\_id\_for"*

*"registry\_version"*

*"error\_handler"*

## See Also

- App::Sqitch::Engine::pg

  The PostgreSQL engine.

- App::Sqitch::Engine::sqlite

  The SQLite engine.

- App::Sqitch::Engine::oracle

  The Oracle engine.

- App::Sqitch::Engine::mysql

  The MySQL engine.

- App::Sqitch::Engine::vertica

  The Vertica engine.

- App::Sqitch::Engine::exasol

  The Exasol engine.

- App::Sqitch::Engine::snowflake

  The Snowflake engine.

## Author

David E. Wheeler \<david@justatheory.com\>

## License

Copyright (c) 2012-2025 David E. Wheeler, 2012-2021 iovation Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.