https://github.com/orestonce/cdb

Pure Go implementation of D. J. Bernstein's cdb constant database library: http://cr.yp.to/cdb.html
https://github.com/orestonce/cdb

Last synced: 23 days ago
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Pure Go implementation of D. J. Bernstein's cdb constant database library: http://cr.yp.to/cdb.html

• Host: GitHub
• URL: https://github.com/orestonce/cdb
• Owner: orestonce
• License: mit
• Created: 2021-03-15T11:12:40.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2022-05-31T13:53:13.000Z (over 2 years ago)
• Last Synced: 2023-09-18T09:40:22.360Z (about 1 year ago)
• Language: Go
• Size: 57.6 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# cdb

Pure Go implementation of D. J. Bernstein's cdb constant database library: http://cr.yp.to/cdb.html

## TODO

* [x] map[string]string <-> cdb的[]byte

* [x] 传入cdb的[]byte，直接按照key搜索value

* [x] 传入一个cdb文件路径，搜索文件中的key对应的value

* [x] 提供将重写cdb文件的某个key的value的接口, 使用os.Rename原子替换

## 读取速度对比

````

# cdb

goos: windows

goarch: amd64

pkg: github.com/orestonce/cdb

cpu: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz

BenchmarkCdb_GetValue

BenchmarkCdb_GetValue-8   	 4948628	       238.6 ns/op

# map[string]string

goos: windows

goarch: amd64

pkg: github.com/orestonce/cdb

cpu: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz

BenchmarkCdb_GetValue2

BenchmarkCdb_GetValue2-8   	 8469826	       164.3 ns/op

````