Querier documentation

Querier is a simple library to extract data from MongoDB databases.

Quickstart

A brief guide to download, install and use Querier

Examples

Explained examples to perform several tasks with Querier

Querier API

Documentation of Querier classes with examples

Contents:

• Quickstart
  • Installation
  • Credentials file
  • Connect to a MongoDB database
  • Extract from a collection
  • Database format
  • Creating a filter
• Examples
  • Sample entries
  • Extraction from a database
  • Multiple Connections
  • Group by a field and aggregate
  • Geographic filters
• Querier API
  • Custom errors
    • CredentialsError
    • AuthentificationError
    • ServerError
    • InvalidFilter
  • Filter class
    • Filter
      • Filter.and_filter()
      • Filter.any_of()
      • Filter.copy()
      • Filter.equals()
      • Filter.exists()
      • Filter.geo_intersects()
      • Filter.geo_within()
      • Filter.greater_or_equals()
      • Filter.greater_than()
      • Filter.is_empty()
      • Filter.less_or_equals()
      • Filter.less_than()
      • Filter.none_of()
      • Filter.not_equals()
      • Filter.not_exists()
      • Filter.or_filter()
      • Filter.regex()
  • Connection class
    • Connection
      • Connection.aggregate()
      • Connection.close()
      • Connection.count_entries()
      • Connection.distinct()
      • Connection.extract()
      • Connection.extract_one()
      • Connection.groupby()
      • Connection.list_available_collections()
    • CollectionsAccessor
      • CollectionsAccessor.aggregate()
      • CollectionsAccessor.count_entries()
      • CollectionsAccessor.distinct()
      • CollectionsAccessor.extract()
      • CollectionsAccessor.extract_one()
      • CollectionsAccessor.groupby()
    • MongoGroupBy
      • MongoGroupBy.agg()
    • NamedAgg
  • Result class
    • Result
      • Result.close()
      • Result.limit()