GoogleSheets MySQL Integration
工作流概述
这是一个包含15个节点的复杂工作流，主要用于自动化处理各种任务。
工作流源代码
{
"id": "VtiRiIGkdeUhyh0N",
"meta": {
"instanceId": "fb924c73af8f703905bc09c9ee8076f48c17b596ed05b18c0ff86915ef8a7c4a"
},
"name": "GoogleSheets MySQL Integration",
"tags": [],
"nodes": [
{
"id": "ec43f0df-338b-462f-9195-b20024e83ba1",
"name": "When clicking \"Execute Workflow\"",
"type": "n8n-nodes-base.manualTrigger",
"position": [
720,
500
],
"parameters": {},
"typeVersion": 1
},
{
"id": "e9fd1af3-dcf8-4442-958d-cb8390c85263",
"name": "Compare Datasets",
"type": "n8n-nodes-base.compareDatasets",
"position": [
1380,
380
],
"parameters": {
"options": {
"skipFields": "record_created,record_updated,id"
},
"mergeByFields": {
"values": [
{
"field1": "timestamp",
"field2": "timestamp"
},
{
"field1": "source_name",
"field2": "source_name"
}
]
}
},
"typeVersion": 2.3
},
{
"id": "5b14d739-9037-48a8-9990-5b8ac3318b1c",
"name": "Send Notifications",
"type": "n8n-nodes-base.noOp",
"position": [
1840,
260
],
"parameters": {},
"typeVersion": 1
},
{
"id": "10ff3339-9091-4ea2-be4e-12a91208e27d",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
720,
200
],
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "*/30 6-22 * * 1-5"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "dcf6838f-0d58-4438-875b-94caac45cb65",
"name": "Google Sheet Data",
"type": "n8n-nodes-base.googleSheets",
"position": [
940,
200
],
"parameters": {
"options": {
"returnAllMatches": "returnAllMatches"
},
"filtersUI": {
"values": [
{
"lookupColumn": "DB Status"
}
]
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": 263642066,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1KCSKt9bKrFSWGRTTfj-JIVl-u7gcLMbFTCSvZbUMiuo/edit#gid=263642066",
"cachedResultName": "Form Responses 1"
},
"documentId": {
"__rl": true,
"mode": "url",
"value": "https://docs.google.com/spreadsheets/d/1KCSKt9bKrFSWGRTTfj-JIVl-u7gcLMbFTCSvZbUMiuo"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "RtRiRezoxiWkzZQt",
"name": "Google Sheets account 3"
}
},
"typeVersion": 4
},
{
"id": "6044469f-9000-4e47-a2d9-920371677a82",
"name": "SQL Get inquiries from Google",
"type": "n8n-nodes-base.mySql",
"position": [
940,
500
],
"parameters": {
"table": {
"__rl": true,
"mode": "list",
"value": "ConcertInquiries",
"cachedResultName": "ConcertInquiries"
},
"where": {
"values": [
{
"value": "GoogleForm",
"column": "source_name"
}
]
},
"options": {},
"operation": "select",
"returnAll": true
},
"credentials": {
"mySql": {
"id": "ICakJ1LRuVl4dRTs",
"name": "db4free TTT account"
}
},
"typeVersion": 2.2
},
{
"id": "f65aad46-93ce-44e6-b7b9-8c177516cf18",
"name": "Add MySQL records",
"type": "n8n-nodes-base.mySql",
"position": [
1620,
80
],
"parameters": {
"table": {
"__rl": true,
"mode": "list",
"value": "ConcertInquiries",
"cachedResultName": "ConcertInquiries"
},
"options": {},
"operation": "upsert",
"columnToMatchOn": "timestamp"
},
"credentials": {
"mySql": {
"id": "ICakJ1LRuVl4dRTs",
"name": "db4free TTT account"
}
},
"typeVersion": 2.2
},
{
"id": "6b3d9971-f37c-4721-8134-f60bdf1a03da",
"name": "Rename GSheet variables",
"type": "n8n-nodes-base.set",
"position": [
1160,
200
],
"parameters": {
"values": {
"string": [
{
"name": "timestamp",
"value": "={{ $json.Timestamp }}"
},
{
"name": "occasion",
"value": "={{ $json[\"What event are you organizing? \"] }}"
},
{
"name": "email_address",
"value": "={{ $json[\"Email Address\"] }}"
},
{
"name": "event_date",
"value": "={{ DateTime.fromFormat($json[\"When does the event take place? \"], 'M/d/yyyy').toFormat('yyyy-MM-dd') }}"
},
{
"name": "location",
"value": "={{ $json[\"Where does the event take place? \"] }}"
},
{
"name": "event_description",
"value": "={{ $json[\"Please tell us more about the event. \"] }}"
},
{
"name": "source_name",
"value": "GoogleForm"
},
{
"name": "db_status",
"value": "={{ $json[\"DB Status\"] }}"
},
{
"name": "name",
"value": "={{ $json[\"Your name \"] }}"
}
]
},
"options": {},
"keepOnlySet": true
},
"typeVersion": 2
},
{
"id": "04f067be-8d7d-48bd-9a3d-d881d6dd3464",
"name": "No reply too long?",
"type": "n8n-nodes-base.if",
"position": [
1620,
280
],
"parameters": {
"conditions": {
"dateTime": [
{
"value1": "={{ DateTime.fromFormat($json.timestamp, 'MM/d/yyyy HH:mm:ss'); }}",
"value2": "={{ DateTime.now().minus({ hours: 4 }) }}",
"operation": "before"
}
]
}
},
"typeVersion": 1
},
{
"id": "2f287a7b-eda2-4d05-9864-ba66bddaf14d",
"name": "DB Status assigned?",
"type": "n8n-nodes-base.if",
"position": [
1620,
480
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.different.db_status.inputB }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1
},
{
"id": "cb10201c-5fcc-41f2-94ac-a52cdbe96e58",
"name": "Update GSheet status",
"type": "n8n-nodes-base.googleSheets",
"position": [
1840,
460
],
"parameters": {
"columns": {
"value": {
"DB Status": "={{ $json.different.db_status.inputB }}",
"Timestamp": "={{ $json.keys.timestamp }}"
},
"schema": [
{
"id": "Timestamp",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Email Address",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Email Address",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Your name ",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Your name ",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "What event are you organizing? ",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "What event are you organizing? ",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "When does the event take place? ",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "When does the event take place? ",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Where does the event take place? ",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Where does the event take place? ",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Please tell us more about the event. ",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Please tell us more about the event. ",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "DB Status",
"type": "string",
"display": true,
"required": false,
"displayName": "DB Status",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Timestamp"
]
},
"options": {},
"operation": "update",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 263642066,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1KCSKt9bKrFSWGRTTfj-JIVl-u7gcLMbFTCSvZbUMiuo/edit#gid=263642066",
"cachedResultName": "Form Responses 1"
},
"documentId": {
"__rl": true,
"mode": "url",
"value": "https://docs.google.com/spreadsheets/d/1KCSKt9bKrFSWGRTTfj-JIVl-u7gcLMbFTCSvZbUMiuo"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "RtRiRezoxiWkzZQt",
"name": "Google Sheets account 3"
}
},
"typeVersion": 4
},
{
"id": "178fe745-b026-4c7f-9104-6756ba2d7d7d",
"name": "DB Status in sync?",
"type": "n8n-nodes-base.if",
"position": [
1620,
680
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.source_name }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1
},
{
"id": "6b92bfaf-65f1-441d-a0fc-51e448380520",
"name": "Sync MySQL data",
"type": "n8n-nodes-base.mySql",
"position": [
1840,
660
],
"parameters": {
"table": {
"__rl": true,
"mode": "list",
"value": "ConcertInquiries",
"cachedResultName": "ConcertInquiries"
},
"options": {},
"dataMode": "defineBelow",
"operation": "update",
"valuesToSend": {
"values": [
{
"value": "={{ $json.source_name }}Sync",
"column": "source_name"
}
]
},
"valueToMatchOn": "={{ $json.id }}",
"columnToMatchOn": "id"
},
"credentials": {
"mySql": {
"id": "ICakJ1LRuVl4dRTs",
"name": "db4free TTT account"
}
},
"typeVersion": 2.2
},
{
"id": "3c95f764-e91c-4418-98c9-c18939486b01",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
903,
-115.08597285067867
],
"parameters": {
"width": 376.8778280542988,
"height": 474.81900452488685,
"content": "## Create a new Google Form with several variables:
-Email Address
-Your name
-What event are you organizing?
-When does the event take place?
-Where does the event take place?
-Please tell us more about the event.
- Timestamp variable is added automatically
- Add \"DB Status\" manually in the Google Sheet
"
},
"typeVersion": 1
},
{
"id": "0a5aa6c9-5312-4716-bd63-71534cdccbf1",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
394
],
"parameters": {
"width": 375.6334841628956,
"height": 273.23529411764684,
"content": "### Import this SQL file to create a new table
https://gist.github.com/teds-tech-talks/cf25c60363cba082b9c5a1feca10180f"
},
"typeVersion": 1
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "69bdc2a6-346a-4c2e-82fd-9b7fd54b6f36",
"connections": {
"Compare Datasets": {
"main": [
[
{
"node": "Add MySQL records",
"type": "main",
"index": 0
}
],
[
{
"node": "No reply too long?",
"type": "main",
"index": 0
}
],
[
{
"node": "DB Status assigned?",
"type": "main",
"index": 0
}
],
[
{
"node": "DB Status in sync?",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Google Sheet Data",
"type": "main",
"index": 0
},
{
"node": "SQL Get inquiries from Google",
"type": "main",
"index": 0
}
]
]
},
"Google Sheet Data": {
"main": [
[
{
"node": "Rename GSheet variables",
"type": "main",
"index": 0
}
]
]
},
"DB Status in sync?": {
"main": [
[
{
"node": "Sync MySQL data",
"type": "main",
"index": 0
}
]
]
},
"No reply too long?": {
"main": [
[
{
"node": "Send Notifications",
"type": "main",
"index": 0
}
]
]
},
"DB Status assigned?": {
"main": [
[
{
"node": "Update GSheet status",
"type": "main",
"index": 0
}
]
]
},
"Rename GSheet variables": {
"main": [
[
{
"node": "Compare Datasets",
"type": "main",
"index": 0
}
]
]
},
"SQL Get inquiries from Google": {
"main": [
[
{
"node": "Compare Datasets",
"type": "main",
"index": 1
}
]
]
},
"When clicking \"Execute Workflow\"": {
"main": [
[
{
"node": "Google Sheet Data",
"type": "main",
"index": 0
},
{
"node": "SQL Get inquiries from Google",
"type": "main",
"index": 0
}
]
]
}
}
}功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Manualtrigger
- Comparedatasets
- Noop
- Scheduletrigger
- Googlesheets
复杂度评估
配置难度：
维护难度：
扩展性：
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器（可选）
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置，适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围，重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制：
- 网络超时自动重试（最多3次）
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作