util.py 文件源码

def initialize_indexes(database):
    """Ensure the necessary indexes exist."""
    submissions = database['submissions']
    comments = database['comments']
    index_id = pymongo.IndexModel('reddit_id')
    index_created = pymongo.IndexModel([('created', pymongo.DESCENDING)])
    index_text_title_and_body = pymongo.IndexModel([('title', pymongo.TEXT),
                                                    ('body', pymongo.TEXT)])
    index_text_body = pymongo.IndexModel([('body', pymongo.TEXT)])
    submissions.create_indexes([index_id,
                                index_created,
                                index_text_title_and_body])
    comments.create_indexes([index_id,
                             index_created,
                             index_text_body])