Executing a standard search
After inserting documents, the most commonly executed action in Elasticsearch is the search. The official Elasticsearch client APIs for searching are similar to the REST API.
Getting ready
You need an up-and-running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
You also need the Python installed packages of the Creating a client recipe of this chapter.
The code of this recipe can be found in the chapter_16/searching.py
file.
How to do it…
To execute a standard query, the client method search
must be called by passing the query
parameters, as we have seen in Chapter 5, Search. The required parameters are index_name
, type_name
and the query DSL. In this example, we show how to call a match_all
query, a term
query, and a filter
query. We will perform the following steps:
We initialize the client and populate the index:
import elasticsearch from pprint import pprint...