es mapping里有三个字段: A:Integer B:Integer C:TEXT 现在想实现一个查询,来检索 ( (A =1 and B=2) or (c like "test*") )的数据. 分析: 这个检索条件 被 or 分割成两部分. 第一部分是一个 boo表达式,此表达式的自然语言含义是必须满足 A = 1而且B =2. 这部分用es的api写作: BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQu
step1:构造连接Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/db","root","123"); step2:构造语句String sql = "select username,password from t_user where
记录常用的es 查询 聚合 GET _cat / indices GET / p_ext_develop / _mapping / g GET / p_ext_develop / _analyze { "field": "other_name_en", "text": "(3S)-N-Boc-2-azabicyclo[2.2.1]heptane-3-carboxylicacid;"} GET / hs2840 / _analy
# es 查询更新操作# _*_ coding: utf-8 _*_ import time import datetime import pymysql from elasticsearch import Elasticsearch from urllib3.connectionpool import xrange # class EsClient(): es_host = "192.168.8.190" port = 9200 timeout = 15000 global inde