arango 0.1.2

Dart driver for ArangoDB the native multi-model nosql database.

ArangoDB Dart Driver

The dart driver for ArangoDB the native multi-model database

Index

• ArangoDB Dart Driver
  • Index
  • Quick Reference
  • Usage
  • AQL
  • Features and bugs
  • Todo

Quick Reference

Database	Collection	Document	Index
createDatabase	create	replace	ensureIndex
exists	load	update	ensureHashIndex
version	unload	bulkUpdate	ensureSkipList
listDatabases	setProperties	remove	ensureGeoIndex
listUserDatabases	rename	list	ensureFulltextIndex
dropDatabase	rotate	save	ensurePersistentIndex
truncate	truncate		index
query	drop		indexes
rawQuery	ensureExists		dropIndex
	import

Cursor	Simple Query	Transaction
count	all	beginTransaction
all	list	listTransactions
next	any	executeTransaction
hasNext	byExample	exists
nextBatch	firstExample	get
each	removeByExample	commit
every	replaceByExample	abort
some	updateByExample	run
map	lookupByKeys
reduce	removeByKeys
kill

Simple Queries are deprecated from version 3.4.0 on. They are superseded by AQL queries.

Usage

A simple todo example:

import 'package:arango/arango.dart';

void main() async {
  final db = ArangoDatabase('http://localhost:8529');
  db.useBasicAuth('root', 'YOUR-PASSWORD');

  await db.collection('todos').ensureExists();
  await db.collection('todos').ensureTTLIndex(['expiresAt']);
  await db.collection('todos').ensureFulltextIndex(['content']);

  await db.collection('todos').save({'content': 'Go shopping'});
  await db.collection('todos').save({'content': 'Go home'});

  final todos = await db
      .query()
      .line('FOR todo IN todos')
      .line('RETURN todo.content')
      .toList();

  print('todos: $todos');
  // -> todos: [Go shopping, Go home]
}

Transactions:

import 'package:arango/arango.dart';

void main() async {
  final db = ArangoDatabase('http://localhost:8529');
  db.useBasicAuth('root', 'YOUR-PASSWORD');

  await db.collection('accounts').ensureExists();
  await db.collection('accounts').truncate();

  final txn = await db.beginTransaction(write: ['accounts']);
  await txn.run(() => db.collection('accounts').save({'id': '1'}));
  await txn.run(() => db.collection('accounts').save({'id': '2'}));
  await txn.commit();

  final txn2 = await db.beginTransaction(write: ['accounts']);
  await txn2.run(() => db.collection('accounts').save({'id': '3'}));
  await txn2.run(() => db.collection('accounts').save({'id': '4'}));
  await txn2.abort();

  final data = await db
      .query()
      .line('FOR account IN accounts')
      .line('RETURN account.id')
      .toList();

  print('accounts: $data');
  // -> accounts: [1, 2]
}

Run query:

import 'package:arango/arango.dart';

void main() async {
  final db = ArangoDatabase('http://localhost:8529');
  db.useBasicAuth('root', '123123');

  final cursor = await db.rawQuery('FOR todo IN todos RETURN todo.title');
  final data = await cursor.all();
  print(data);

  // or with the fluent query builder
  final result = await db
      .query()
      .line('FOR todo IN todos')
      .line('RETURN todo.title')
      .toList();
  print(result);
}

AQL

The ArangoDB Query Language (AQL) can be used to retrieve and modify data that are stored in ArangoDB.

To learn more about AQL, please refer to https://www.arangodb.com/docs/stable/aql/

Features and bugs

Please file feature requests and bugs at the issue tracker.

Todo

Analyzer	View
exists	arangoSearchView
get	listViews
create	views
drop
listAnalyzers
analyzers
analyzer