russian-doll

database adapter prototype for CRUD operations

use

 
var config = {
  index: "blog",   // elasticsearch index
  type: "articles" // elasticsearch type
};
 
// instantiate interface with index and type
var db = require("russian-doll")("index", "type");
 
db
  .create({
    name: "Sirloin",
    age: 49,
    birthday: 12/02/1992
  }, function (err, res) {
 
    //... do stuff
 
  });
 
 
db
  .findOne({ id: 1234 }, function (err, res) {
 
    //... do stuff
 
  });
 
 
db
  .update({ id: 1234 }, { age: 50 }, function (err, res) {
 
    //... do stuff
 
  });
 
db
  .delete({
    id: 1234
  }, function (err, res) {
 
    //... do stuff
 
  });
 
db
  .query("raw query", function (err, res) {
 
    //... do stuff
 
  });
 

api

russian-doll exposes a single function that returns a DB adapter object:

instantiate(config)

params

config: a config object with the following properties:

{
  index: "index", // the elasticsearch index for the db adapter to us
  type: "type"    // the elasticsearch type for the db adapter to use
}

returns

a db adapter object with the methods .create, .findOne, .update, .delete, and .query.

db.create(document, cb)

params

document: an object to be inserted to the db

cb(err, res): a function to be executed when the db responds. err will contain information about any error (or null otherwise). res will contain an object with the status of the transaction.

db.findOne(criteria, cb)

params

criteria: an object of criteria to search for matches in db

cb(err, res): a function to be executed when the db responds. err will contain information about any error (or null otherwise). res will contain an object with the status of the transaction.

db.update(criteria, changes, cb)

params

criteria: an object of criteria to search for matches in db

changes: an object of changes to update the matched document with

cb(err, res): a function to be executed when the db responds. err will contain information about any error (or null otherwise). res will contain an object with the status of the transaction.

db.delete(criteria, cb)

params

criteria: an object of criteria to search for matches in db

cb(err, res): a function to be executed when the db responds. err will contain information about any error (or null otherwise). res will contain an object with the status of the transaction.

db.query(rawQuery, cb)

params

rawQuery: a string containing the raw query to send to the db

cb(err, res): a function to be executed when the db responds. err will contain information about any error (or null otherwise). res will contain an object with the status of the transaction.

license

MIT