一:ElasticSearch sql插件简介 With this plugin you can query elasticsearch using familiar SQL syntax. You can also use ES functions in SQL. 二:sql插件安装 地址:https://github.com/NLPchina/elasticsearch-sql/ 找到对应的2.4.4版本,如下图: 启动es服务,运行cmd命令切换到bin目录,接着输入以下命令:plugin…