Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
branch: open_options_i…
Fetching contributors…

Cannot retrieve contributors at this time

73 lines (50 sloc) 1.708 kb
LevelDB is a very fast, persistent, in-process key-value store.
Read more about it here: http://code.google.com/p/leveldb/.
This gem contains Ruby bindings so that you can use it from your
Ruby process.
INSTALLATION
gem install leveldb-ruby
SYNOPSIS
require 'rubygems' # on for ruby 1.8
require 'leveldb'
## make a new database
db = LevelDB::DB.new "/tmp/asdf"
## getting and setting
db.put "it", "works" # => "works"
db.get "it" # => "works"
db["hello"] = "there" # => "there"
db["hello"] # => "there"
db["nonexistent"] # => nil
## testing
db.includes? "hello" # => true
db.contains? "hello" # => true
## keys and values
db.keys # => "it", "hello"
db.values # => "there", "works"
## iterating
db.each { |k, v| ... }
db.map { |k, v| ... }
db.each # => LevelDB::Iterator
## ranges
db.each(:from => "a", :to => "b") # => LevelDB::Iterator
db.each(:from => "a", :to => "b").
map { |k, v| ... }
# etc...
## deleting
db.delete "hello" # => "there"
db.delete "hello" # => nil
LICENSE
Leveldb-ruby is available for your use under the terms of
the New BSD License. See the LICENSE file for details.
CREDIT
This gem brought to you by William Morgan <http://masanjin.net/>
and the following honorable contributors:
- Rick Olson
- byplayer
- Yukio Goto
- Johannes Holzfuß
- Steve Wilhelm
- Gabriel Ebner
and by users like you.
BUGS
Please report bugs to https://github.com/wmorgan/leveldb-ruby/issues.
Jump to Line
Something went wrong with that request. Please try again.