Scheduled Postgres Data Ingestion

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "id": "33",
  "name": "Postgres Data Ingestion",
  "nodes": [
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        300,
        250
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Function",
      "type": "n8n-nodes-base.function",
      "position": [
        500,
        250
      ],
      "parameters": {
        "functionCode": "var today = new Date();\nvar date = today.getFullYear()+'-'+(today.getMonth()+1)+'-'+today.getDate();\nvar time = today.getHours() + \":\" + today.getMinutes() + \":\" + today.getSeconds();\nvar dateTime = date+' '+time;\n\nitems[0].json.sensor_id = 'humidity01';\nitems[0].json.value = Math.ceil(Math.random()*100);\nitems[0].json.time_stamp = dateTime;\nitems[0].json.notification = false;\n\nreturn items;"
      },
      "typeVersion": 1
    },
    {
      "name": "Postgres",
      "type": "n8n-nodes-base.postgres",
      "position": [
        680,
        250
      ],
      "parameters": {
        "table": "n8n",
        "columns": "sensor_id,value,time_stamp,notification"
      },
      "credentials": {
        "postgres": "<your credential>"
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "settings": {},
  "connections": {
    "Cron": {
      "main": [
        [
          {
            "node": "Function",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Function": {
      "main": [
        [
          {
            "node": "Postgres",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• postgres

About this workflow

Postgres Data Ingestion. Uses postgres. Scheduled trigger; 3 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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