`export FIRESTORE_CREDENTIALS=/path/to/service_account.json`

Usage: bundle exec ruby quickstart.rb [command]

Commands:
  initialize  Initialize a Cloud Firestore client.
  add_data_1  Add a sample document to a collection.
  add_data_2  Add a sample document.
  get_all     Retrieve all documents from a collection.

Usage: bundle exec ruby add_data.rb [command]

Commands:
  set_document                Set document data.
  update_create_if_missing    Update a document - create it if it's missing.
  set_document_data_types     Set document data with multiple data types.
  set_requires_id             Set document data with a given document id.
  add_doc_data_with_auto_id   Add document data with autogenerated id.
  add_doc_data_after_auto_id  Generate id, then add document data.
  update_doc                  Update a document.
  update_doc_array            Update an array field in a document.
  update_nested_fields        Update fields in nested data.
  update_server_timestamp     Update field with server timestamp.
  update_document_increment   Update a document number field using Increment.

Usage: bundle exec ruby query_data.rb [command]

Commands:
  query_create_examples          Create an example collection of documents.
  create_query_state             Create a query by state.
  create_query_capital           Create a query by capital.
  simple_queries                 Create simple queries with a single where clause.
  chained_query                  Create a query with chained clauses.
  composite_index_chained_query  Create a composite index chained query.
  range_query                    Create a query with range clauses.
  invalid_range_query            An example of an invalid range query.

Usage: bundle exec ruby data_model.rb [command]

Commands:
  document_ref       Create a document reference.
  collection_ref     Create a collection reference.
  document_path_ref  Create a document path reference.
  subcollection_ref  Create a subcollection reference.

Usage: bundle exec ruby delete_data.rb [command]

Commands:
  delete_doc         Delete a document.
  delete_field       Delete a field.
  delete_collection  Delete an entire collection.

Usage: bundle exec ruby get_data.rb [command]

Commands:
  retrieve_create_examples  Create an example collection of documents.
  get_document              Get a document.
  get_multiple_docs         Get multiple documents from a collection.
  get_all_docs              Get all documents from a collection.
  add_subcollection         Add a document to a subcollection.
  list_subcollections       List subcollections of a document.

Usage: bundle exec ruby order_limit_data.rb [command]

Commands:
  order_by_name_limit_query            Create an order by name with limit query.
  order_by_name_desc_limit_query       Create an order by name descending with limit query.
  order_by_state_and_population_query  Create an order by state and descending population query.
  where_order_by_limit_query           Combine where with order by and limit in a query.
  range_order_by_query                 Create a range with order by query.
  invalid_range_order_by_query         An example of an invalid range with order by query.

Usage: bundle exec ruby paginate_data.rb [command]

Commands:
  start_at_field_query_cursor  Define field start point for a query.
  end_at_field_query_cursor    Define field end point for a query.
  paginated_query_cursor       Paginate using query cursors.
  multiple_cursor_conditions   Set multiple cursor conditions.

Usage: bundle exec ruby transactions_and_batched_writes.rb [command]

Commands:
  run_simple_transaction   Run a simple transaction.
  return_info_transaction  Run a transaction and get information returned.
  batch_write              Perform a batch write.

bundle exec rake test