Zhang Xuan Su ", " title ":" new success. If you want to change the type of a field of it, such as the type onSale field is boolean, and now want to modify the type string " "desc": "Elasticsearch is a distributed, RESTful style data search and analysis engine, capable of a variety of use cases emerged as a core ElasticStack, which is centrally stored your data to help you find among the materials and unexpected. situation. Jane so ", }