Node-RED软网关使用手册-最佳实践(PostgreSQL数据库—示例) 说明:下面所有操作,都是已经安装好PostgreSQL数据库的情况下操作;具体,如何安装数据库,这里不说明。 1、准备工作 1-1、创建数据库名【aiotedge】 1-2、执行表结构文件 下面为示例数据库的表结构: device_data.sql 2、PostgreSQL数据库常规操作 2-1、示...
实时监听PostgreSQL是指在数据库中的数据发生变化时,能够及时地捕获到这些变化并进行相应的处理。Node-RED可以通过使用适当的节点和插件来实现对PostgreSQL数据库的实时监听。例如,可以使用"node-red-contrib-postgres-variable"节点来连接到PostgreSQL数据库,并设置相应的触发器来监听数据库中的变化。 Node-RED实时监听Postg...
操作MySQL 与 SQLServer 在node-red仓库中,目前操作MySQL 有三种节点, node-red-node-mysql、node-red-contrib-sqldbs、node-red-contrib-odbc。前两种用法差不多,但node-red-contrib-sqldbs支持 Mysql、MSsql、Postgresql、SQLLite四种数据库。安装这个节点可以搞定四种数据库,大家应该都会选它吧。 配置节点 创建一个...
SQL - Module for Node-Red Description This is a "batteries included" SQL query builder for CockroachDB, MariaDB, MSSQL, MySQL, PostgreSQL, SQLite3, Oracle DB, and Amazon Redshift designed to be flexible, portable, and fun to use.
Connection terminated unexpectedly.BruceFletcher/node-red-contrib-postgres-multi#3 CoreyCole commented CoreyCole @brianc@pcothenetI'm running my node process with nodemon, I'm not sure if this changes things, but when this error occurs it stops the process. ...
When setting up Keycloak, I chose to install Keycloak on the current Ubuntu LTS, Ubuntu 24.04. I first made sure everything was up to date on the server, then I installed openjdk and postgresql: 1 $ aptinstallopenjdk-21-jdk postgresql postgresql-contrib ...
第一步安装节点node-red-node-redisnode-red-contrib-redis控件讲解1.instance节点instance 是一个实例及诶单,在流或者全局上下文中注入Redis连接。作为一个配置节点使用 注:一般刚开始拖拽过去会显示redis,正常。 实例节点配置: 添加新的server,一般都会保存默认, 初次配置需要创建一个新的server,主要是Name里面填写带...
Many serial and Ethernet-based legacy protocols exist in Node-RED. All of the above-mentioned interfacing nodes vigorously subsist in Node-RED, and the system is continuously growing. Regarding older SCADA interfacing, classic OPC DA is also available in Node-RED (node-red-contrib-opc-da), ...
node-red-contrib-aedes Node Red MQTT broker node based on aedes.js node-red aedes mqtt martin-doyle •0.13.2•7 months ago•3dependents•MITpublished version0.13.2,7 months ago3dependentslicensed under $MIT 5,031 alkarex •0.14.2•8 months ago•1dependents•Apache-2.0published...
ERR! request to https://registry.npmjs.org/node-red-contrib-postgresql failed, reason: getaddrinfo EAI_AGAIN registry.npmjs.org It seems an internet connection problem, but I have internet on the IOT. Actually, I can ping to google as example, and also I've downloaded and inst...