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 →

Download .json

{
  "name": "ClickHouse - All Nodes (Dev)",
  "nodes": [
    {
      "parameters": {},
      "id": "1",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        200,
        300
      ]
    },
    {
      "parameters": {
        "resource": "command",
        "operation": "executeCommand",
        "command": "CREATE TABLE IF NOT EXISTS events (id UInt64, event String, created_at DateTime) ENGINE = MergeTree() ORDER BY id",
        "databaseOverride": "test",
        "timeoutMs": 60000,
        "compress": true
      },
      "id": "2",
      "name": "Create Table",
      "type": "CUSTOM.clickhouse",
      "typeVersion": 1,
      "position": [
        440,
        300
      ],
      "credentials": {
        "ClickHouseApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "values": {
          "number": [
            {
              "name": "id",
              "value": 1
            }
          ],
          "string": [
            {
              "name": "event",
              "value": "signup"
            },
            {
              "name": "created_at",
              "value": "2025-01-01 00:00:00"
            }
          ]
        }
      },
      "id": "3",
      "name": "Set",
      "type": "n8n-nodes-base.set",
      "typeVersion": 2,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "resource": "insert",
        "operation": "insertFromItems",
        "databaseOverride": "test",
        "table": "events",
        "columnsCsv": "id,event,created_at",
        "batchSize": 1000,
        "ignoreUnknownFields": false,
        "gzipRequest": false,
        "timeoutMs": 60000,
        "compress": true
      },
      "id": "4",
      "name": "Insert Row",
      "type": "CUSTOM.clickhouse",
      "typeVersion": 1,
      "position": [
        900,
        300
      ],
      "credentials": {
        "ClickHouseApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "resource": "query",
        "operation": "executeQuery",
        "query": "SELECT * FROM events ORDER BY id DESC",
        "limit": 100,
        "paginate": false,
        "outputMode": "single",
        "databaseOverride": "test",
        "timeoutMs": 60000,
        "compress": true
      },
      "id": "5",
      "name": "Query",
      "type": "CUSTOM.clickhouse",
      "typeVersion": 1,
      "position": [
        1120,
        300
      ],
      "credentials": {
        "ClickHouseApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "resource": "metadata",
        "operation": "listTables",
        "databaseOverride": "test",
        "metadataDatabase": "",
        "timeoutMs": 60000,
        "compress": true
      },
      "id": "6",
      "name": "List Tables",
      "type": "CUSTOM.clickhouse",
      "typeVersion": 1,
      "position": [
        1340,
        300
      ],
      "credentials": {
        "ClickHouseApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Create Table",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create Table": {
      "main": [
        [
          {
            "node": "Set",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set": {
      "main": [
        [
          {
            "node": "Insert Row",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Insert Row": {
      "main": [
        [
          {
            "node": "Query",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Query": {
      "main": [
        [
          {
            "node": "List Tables",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {},
  "versionId": "00000000-0000-0000-0000-000000000000"
}