n8n/docs/workflows/postgres-to-excel.json

{
  "nodes": [
    {
      "parameters": {},
      "name": "Start",
      "type": "n8n-nodes-base.start",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "SELECT name, ean FROM product"
      },
      "name": "Run Query",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        450,
        450
      ],
      "credentials": {
        "postgres": "postgres"
      }
    },
    {
      "parameters": {
        "operation": "toFile"
      },
      "name": "Spreadsheet File",
      "type": "n8n-nodes-base.spreadsheetFile",
      "typeVersion": 1,
      "position": [
        600,
        450
      ]
    },
    {
      "parameters": {
        "fileName": "spreadsheet.xls"
      },
      "name": "Write Binary File",
      "type": "n8n-nodes-base.writeBinaryFile",
      "typeVersion": 1,
      "position": [
        750,
        450
      ]
    }
  ],
  "connections": {
    "Run Query": {
      "main": [
        [
          {
            "node": "Spreadsheet File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Spreadsheet File": {
      "main": [
        [
          {
            "node": "Write Binary File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}