MongoEngine Index Definition

mongoengine_index.py

# -*- coding:utf-8 -*-

from pprint import pprint
import pymongo, mongoengine

class TheDocument(mongoengine.Document):
    field_a = mongoengine.StringField()
    field_b = mongoengine.StringField()
    field_c = mongoengine.StringField()

    meta = {
            'indexes': [
                    {
                        'fields': 'field_b',
                        'unique': True,
                    },
                    {
                        'fields': ('field_a', 'field_c', ),
                    },
                ],
            'allow_inheritance': False,
        }


if __name__ == '__main__':
    connection = pymongo.Connection('127.0.0.1', 27017)
    db = connection['TestDB']

    mongoengine.connect('TestDB', host='127.0.0.1', port=27017)

    try:
        doc_a = TheDocument(
                field_a = 'Hello World!',
                field_b = 'Hello XingCloud!',
                field_c = 'Hello Codeb2cc!',
            )
        doc_a.save()

        collection = db[TheDocument._get_collection_name()]
        pprint(collection.index_information())

    except Exception as e:
        print e

    connection.drop_database('TestDB')
    connection.close()