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https://github.com/Bhupesh-V/zoe

A barebones transactional in-memory key: value store with a REPL [For educational purposes]
https://github.com/Bhupesh-V/zoe

key-value-store system-design system-design-interview system-design-project transactional-stack

Last synced: about 2 months ago
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A barebones transactional in-memory key: value store with a REPL [For educational purposes]

Host: GitHub
URL: https://github.com/Bhupesh-V/zoe
Owner: Bhupesh-V
License: mit
Created: 2020-09-01T08:38:09.000Z (about 4 years ago)
Default Branch: master
Last Pushed: 2021-06-15T15:21:19.000Z (over 3 years ago)
Last Synced: 2024-04-14T02:23:07.765Z (5 months ago)
Topics: key-value-store, system-design, system-design-interview, system-design-project, transactional-stack
Language: Go
Homepage: https://www.freecodecamp.org/news/design-a-key-value-store-in-go/
Size: 16.6 KB
Stars: 21
Watchers: 3
Forks: 5
Open Issues: 0
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE

Awesome Lists containing this project

README

# zoe

> A simple transactional key:value store for educational purposes (with support for Transactions)

### [🖱️ Learn how I made `zoe` from scratch](https://www.freecodecamp.org/news/design-a-key-value-store-in-go/)

The shell accepts the following commands:

| Command | Description |
|:----------:|:----------------------------------------------------------------------------------------------------------------------------------:|
| `SET` | Sets the given key to the specified value. A key can also be updated. |
| `GET` | Prints out the current value of the specified key. |
| `DELETE` | Deletes the given key. If the key has not been set, ignore. |
| `COUNT` | Returns the number of keys that have been set to the specified value. If no keys have been set to that value, prints 0. |
| `BEGIN` | Starts a transaction. These transactions allow you to modify the state of the system and commit or rollback your changes. |
| `END` | Ends a transaction, everything done within the "active" transaction is lost. |
| `ROLLBACK` | Throws away changes made within the context of the active transaction. If no transaction is active, prints "No Active Transaction" |
| `COMMIT` | Commits the changes made within the context of the active transaction and ends the active transaction. |

## Demo

![zoe-demo-3](https://user-images.githubusercontent.com/34342551/92362469-aa2a7700-f10d-11ea-8426-1e8462b66d18.gif)

## Usage

If you just wanna play, ⬇ Download the build from [releases](https://github.com/Bhupesh-V/zoe/releases)

## License