使用python连接es并执行最基本的查询 from elasticsearch import Elasticsearch es = Elasticsearch(["localhost:9200"]) para = {"_source":"message"} es.search(index=index_name, q='offset: xx', doc_type='doc' ,params=para, size=10) 常用参数: index -
#xiaodeng#python3#基于SQL和PYTHON的数据库数据查询语句import pymysql #1.基本用法cur.execute("select * from biao") #2.查询某表中的特定数据,如某制定id和名字的数据cur.execute("select * from biao where id="XXXX" and name="xxx" ") #3.统计函数select count(1) from
#/usr/bin/python #-*- coding:utf-8 -*- #@Time :2017/11/24 4:21 #@Auther :liuzhenchuan #@File :查询数据.py # 查询数据库 import codecs import MySQLdb select_student = '''select * from student where stdname in (select stdname from student group by s