#rocksdb #nosql

simpledb

NoSQL embedded database on top of RocksDB

4 releases

✓ Uses Rust 2018 edition

0.1.3 Jun 30, 2020
0.1.2 Jun 11, 2020
0.1.1 Jun 3, 2020
0.1.0 May 25, 2020

#112 in Database interfaces

22 downloads per month

MIT license

48KB
1K SLoC

simpledb

Rust API Minimum rustc version

NoSQL embedded database on top of RocksDB.

Documents: https://docs.rs/simpledb

Usage

Add this to your Cargo.toml:

[dependencies]
simpledb = "0.1"

Example:

use simpledb::Database;

fn main() {
    // open a database
    let db = Database::open("./target/path/to/database").unwrap();
    // left push a value to a list
    db.list_left_push("key", "value".as_bytes()).unwrap();
}

Supported Data Type

  • map: Store field/value pairs, includes the following operations with map_ prefix: get, put, delete, count, for_each, items.
  • set: Store unique values, includes the following operations with set_ prefix: add, is_member, delete, count, for_each, items.
  • list: Store ordered values, includes the following operations with list_ prefix: left_push, left_pop, right_push, right_pop, count, for_each, items.
  • sorted list: Store sorted score/value pairs, includes the following operations with sorted_list_ prefix: add, left_pop, right_pop, count, for_each, items.
  • sorted set: store sorted score/value pairs, includes the following operations with sorted_set_ prefix: add, is_member, delete, left, right, for_each, items.
  • Notes: the difference between sorted list and sorted set is list allow the same members, set does not allow the same members.

Changelog

v0.1.3

  • feat: add sorted set data type.

v0.1.2

  • feat: add for_each_key_with_prefix & keys & keys_with_prefix operations.

v0.1.1:

  • feat: add map_for_each_with_prefix & map_items_with_prefix operations.

License

MIT License

Copyright (c) 2020 Zongmin Lei <leizongmin@gmail.com>

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.

Dependencies

~21MB
~448K SLoC