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azureleveldown

0.0.3 • Public • Published

azureleveldown

A drop-in replacement for LevelDOWN which persists data in Windows Azure Table Storage. Can be used as a back-end for LevelUP rather than an actual LevelDB store.

As of version 0.7, LevelUP allows you to pass a 'db' option when you create a new instance. This will override the default LevelDOWN store with a LevelDOWN API compatible object.

Installation

npm install azureleveldown levelup

Example

var connection = 'DefaultEndpointsProtocol=https;AccountName=xxx;AccountKey=yyy'
 
var levelup = require('levelup');
var LevelAzureDown = require('azureleveldown');
 
var db = levelup(connection, {
  // the 'db' option replaces LevelDOWN
  db: function (connection) { 
    return new LevelAzureDown(connection) 
  }
})
 
// An azureleveldown db works within a single table and partition. 
// These can be controlled by passing some settings into the contsuctor 
 
 
var db = levelup(connection, {
  db: function (connection) { 
    return new LevelAzureDown(connection,  {table:"table1", partitionKey: "partition1"}) 
  }
})
 
// reading & writing data is done using the normal 'level' way:
 
db.put('my_key', 'my value', function(err){ ... });
 
db.get('my_key', function(err, data){ 
    console.log(data.key + " = " + data.value);
});
 
db.del('another_key', function(err){ ... });
 
db.readStream()
  .on('data', console.log)
  .on('close', function () { console.log('the end') })

Known Limitiations

  • reverse read streams are not currently supported
  • Only text (utf8) keys and values are supported
  • The table storage limits for key and value sizes (1KB / 64KB respectively)

Licence

MIT

Keywords

none

install

npm i azureleveldown

Downloadsweekly downloads

2

version

0.0.3

license

none

homepage

github.com

repository

Gitgithub

last publish

collaborators

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