elasticsearch python コードスニペット
接続して検索
from elasticsearch import Elasticsearch from elasticsearch_dsl import connections, Search from elasticsearch_dsl import Q es = connections.create_connection(hosts=['localhost'], port=9200) s = Search(using=es, index="animal", doc_type="_doc") s.query = Q("match_all", **{}) res = s.execute() for doc in res: print(doc)
検索件数を指定する
extra(size=x)で検索数を指定できる
(elasticsearch_dsl/search.pyを見ると色々わかる)
from elasticsearch import Elasticsearch from elasticsearch_dsl import connections, Search from elasticsearch_dsl import Q es = connections.create_connection(hosts=['localhost'], port=9200) s = Search(using=es, index="animal", doc_type="_doc").extra(size=1) s.query = Q("match_all", **{}) res = s.execute() for doc in res: print(doc)