实时数据RAG系统
高级
这是一个Building Blocks, AI领域的自动化工作流，包含 34 个节点。主要使用 Limit, Notion, Supabase, Summarize, NotionTrigger 等节点，结合人工智能技术实现智能自动化。 使用Supabase和Notion将大型文档插入向量数据库
前置要求
- •Notion API Key
- •Supabase URL 和 API Key
- •OpenAI API Key
使用的节点 (34)
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "JxFP8FJ2W7e4Kmqn",
"meta": {
"instanceId": "fb8bc2e315f7f03c97140b30aa454a27bc7883a19000fa1da6e6b571bf56ad6d",
"templateCredsSetupCompleted": true
},
"name": "RAG on living data",
"tags": [],
"nodes": [
{
"id": "49086cdf-a38c-4cb8-9be9-d3e6ea5bdde5",
"name": "OpenAI 嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
1740,
1040
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "X7Jf0zECd3IkQdSw",
"name": "OpenAi (octionicsolutions)"
}
},
"typeVersion": 1
},
{
"id": "f0670721-92f4-422a-99c9-f9c2aa6fe21f",
"name": "Token Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterTokenSplitter",
"position": [
2380,
540
],
"parameters": {
"chunkSize": 500
},
"typeVersion": 1
},
{
"id": "fe80ecac-4f79-4b07-ad8e-60ab5f980cba",
"name": "遍历项目",
"type": "n8n-nodes-base.splitInBatches",
"position": [
1180,
-200
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "81b79248-08e8-4214-872b-1796e51ad0a4",
"name": "Question and Answer Chain",
"type": "@n8n/n8n-nodes-langchain.chainRetrievalQa",
"position": [
744,
495
],
"parameters": {
"options": {}
},
"typeVersion": 1.3
},
{
"id": "e78f7b63-baef-4834-8f1b-aecfa9102d6c",
"name": "Vector Store Retriever",
"type": "@n8n/n8n-nodes-langchain.retrieverVectorStore",
"position": [
844,
715
],
"parameters": {},
"typeVersion": 1
},
{
"id": "1d5ffbd0-b2cf-4660-a291-581d18608ecd",
"name": "OpenAI 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
704,
715
],
"parameters": {
"model": "gpt-4o",
"options": {}
},
"credentials": {
"openAiApi": {
"id": "X7Jf0zECd3IkQdSw",
"name": "OpenAi (octionicsolutions)"
}
},
"typeVersion": 1
},
{
"id": "37a3063f-aa21-4347-a72f-6dd316c58366",
"name": "当收到聊天消息时",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
524,
495
],
"webhookId": "74479a54-418f-4de2-b70d-cfb3e3fdd5a7",
"parameters": {
"public": true,
"options": {}
},
"typeVersion": 1.1
},
{
"id": "5924bc01-1694-4b5c-8a06-7c46ee4c6425",
"name": "计划触发器",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
520,
-200
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 1
}
]
}
},
"typeVersion": 1.2
},
{
"id": "5067eda6-8bbe-407a-a6af-93e81be53661",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
620,
0
],
"parameters": {
"width": 329.16412916774584,
"height": 312.52803480051045,
"content": "## 切换触发器（可选）"
},
"typeVersion": 1
},
{
"id": "33458828-484d-426b-a3d1-974a81c6162e",
"name": "限制",
"type": "n8n-nodes-base.limit",
"position": [
1620,
-60
],
"parameters": {},
"typeVersion": 1
},
{
"id": "4d39503a-378e-4942-a5d4-8c62785aac44",
"name": "限制1",
"type": "n8n-nodes-base.limit",
"position": [
2660,
-60
],
"parameters": {},
"typeVersion": 1
},
{
"id": "0e0b1391-3fe5-4d80-a2eb-a2483b79d9a6",
"name": "Delete old embeddings if exist",
"type": "n8n-nodes-base.supabase",
"position": [
1400,
-60
],
"parameters": {
"tableId": "documents",
"operation": "delete",
"filterType": "string",
"filterString": "=metadata->>id=eq.{{ $('Input Reference').item.json.id }}"
},
"credentials": {
"supabaseApi": {
"id": "DjIb4HMTYXhTU8Uc",
"name": "Supabase (VectorStore)"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "4a8614e4-0a53-4731-bc68-57505d7d0a09",
"name": "Get page blocks",
"type": "n8n-nodes-base.notion",
"position": [
1840,
-60
],
"parameters": {
"blockId": {
"__rl": true,
"mode": "id",
"value": "={{ $('Input Reference').item.json.id }}"
},
"resource": "block",
"operation": "getAll",
"returnAll": true,
"fetchNestedBlocks": true
},
"credentials": {
"notionApi": {
"id": "ObmaBA0dJss3JJPv",
"name": "Notion (octionicsolutions / Test)"
}
},
"executeOnce": true,
"typeVersion": 2.2
},
{
"id": "8c922895-49d6-4778-8356-6f6cf49e5420",
"name": "默认数据加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
2300,
260
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "id",
"value": "={{ $('Input Reference').item.json.id }}"
},
{
"name": "name",
"value": "={{ $('Input Reference').item.json.name }}"
}
]
}
}
},
"typeVersion": 1
},
{
"id": "8ad7ff2e-4bc2-4821-ae03-bab2dc11d947",
"name": "便签 1",
"type": "n8n-nodes-base.stickyNote",
"position": [
2220,
400
],
"parameters": {
"width": 376.2098538932132,
"height": 264.37628764336097,
"content": "## 调整分块大小和重叠度"
},
"typeVersion": 1
},
{
"id": "8078d59a-f45f-4e96-a8ec-6c2f1c328e84",
"name": "Input Reference",
"type": "n8n-nodes-base.noOp",
"position": [
960,
-200
],
"parameters": {},
"typeVersion": 1
},
{
"id": "aae6c517-a316-40e3-aee9-1cc4b448689f",
"name": "Notion Trigger",
"type": "n8n-nodes-base.notionTrigger",
"disabled": true,
"position": [
740,
120
],
"parameters": {
"event": "pagedUpdatedInDatabase",
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"databaseId": {
"__rl": true,
"mode": "list",
"value": "ec6dc7b4-9ce0-47f7-8025-ef09295999fd",
"cachedResultUrl": "https://www.notion.so/ec6dc7b49ce047f78025ef09295999fd",
"cachedResultName": "Knowledge Base"
}
},
"credentials": {
"notionApi": {
"id": "ObmaBA0dJss3JJPv",
"name": "Notion (octionicsolutions / Test)"
}
},
"typeVersion": 1
},
{
"id": "3a43d66d-d4e3-4ca1-aee9-85ac65160e45",
"name": "Get updated pages",
"type": "n8n-nodes-base.notion",
"position": [
740,
-200
],
"parameters": {
"filters": {
"conditions": [
{
"key": "Last edited time|last_edited_time",
"condition": "equals",
"lastEditedTime": "={{ $now.minus(1, 'minutes').toISO() }}"
}
]
},
"options": {},
"resource": "databasePage",
"operation": "getAll",
"databaseId": {
"__rl": true,
"mode": "list",
"value": "ec6dc7b4-9ce0-47f7-8025-ef09295999fd",
"cachedResultUrl": "https://www.notion.so/ec6dc7b49ce047f78025ef09295999fd",
"cachedResultName": "Knowledge Base"
},
"filterType": "manual"
},
"credentials": {
"notionApi": {
"id": "ObmaBA0dJss3JJPv",
"name": "Notion (octionicsolutions / Test)"
}
},
"typeVersion": 2.2
},
{
"id": "bbf1296f-4e2b-4a38-bdf3-ae2b63cc7774",
"name": "便签23",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
-300
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "此占位符作为参考点，便于将数据源替换为其他服务"
},
"typeVersion": 1
},
{
"id": "631e1e10-0b52-4a17-89a4-769ac563321f",
"name": "便签24",
"type": "n8n-nodes-base.stickyNote",
"position": [
1340,
-160
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "通过按给定 ID 过滤元数据，正在删除文档旧版本的所有分块"
},
"typeVersion": 1
},
{
"id": "6c830c83-4b70-4719-8e2a-26846e60085c",
"name": "便签25",
"type": "n8n-nodes-base.stickyNote",
"position": [
1560,
-160
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "将活动流/项减少至仅 1 个，防止后续节点重复处理"
},
"typeVersion": 1
},
{
"id": "46c8e4e4-0a5e-4ede-947b-5773710d4e55",
"name": "便签26",
"type": "n8n-nodes-base.stickyNote",
"position": [
1780,
-160
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "Retrieve all page contents/blocks"
},
"typeVersion": 1
},
{
"id": "0369e610-d074-4812-9d04-8615b42965a5",
"name": "Sticky Note27",
"type": "n8n-nodes-base.stickyNote",
"position": [
2600,
-160
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "将活动流/项减少至仅 1 个，防止后续节点重复处理"
},
"typeVersion": 1
},
{
"id": "4f3bce54-1650-45fa-abb0-c881358c7e8d",
"name": "Sticky Note28",
"type": "n8n-nodes-base.stickyNote",
"position": [
2220,
-160
],
"parameters": {
"color": 7,
"width": 375.9283286479995,
"height": 275.841854198618,
"content": "Embed item and store in Vector Store. Depending on the length the content is being split up into multiple chunks/embeds"
},
"typeVersion": 1
},
{
"id": "44125921-e068-4a5d-a56b-b0e63c103556",
"name": "Supabase 向量存储1",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"position": [
924,
935
],
"parameters": {
"options": {},
"tableName": {
"__rl": true,
"mode": "list",
"value": "documents",
"cachedResultName": "documents"
}
},
"credentials": {
"supabaseApi": {
"id": "DjIb4HMTYXhTU8Uc",
"name": "Supabase (VectorStore)"
}
},
"typeVersion": 1
},
{
"id": "467322a9-949d-4569-aac6-92196da46ba5",
"name": "Sticky Note30",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
400
],
"parameters": {
"color": 7,
"width": 730.7522093855692,
"height": 668.724737081502,
"content": "Simple chat bot to ask specific questions while having access to the context of the Notion Knowledge Base which was stored in the Vector Store"
},
"typeVersion": 1
},
{
"id": "27f078cf-b309-4dd1-a8ce-b4fc504d6e29",
"name": "Sticky Note31",
"type": "n8n-nodes-base.stickyNote",
"position": [
1660,
900
],
"parameters": {
"color": 7,
"width": 219.31927574471658,
"height": 275.841854198618,
"content": "Model used for both creating and reading embeddings"
},
"typeVersion": 1
},
{
"id": "2f59cba1-4318-47e7-bf0b-b908d4186b86",
"name": "Supabase 向量存储",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"position": [
2280,
-60
],
"parameters": {
"mode": "insert",
"options": {},
"tableName": {
"__rl": true,
"mode": "list",
"value": "documents",
"cachedResultName": "documents"
}
},
"credentials": {
"supabaseApi": {
"id": "DjIb4HMTYXhTU8Uc",
"name": "Supabase (VectorStore)"
}
},
"typeVersion": 1
},
{
"id": "729849e7-0eff-40c2-ae00-ae660c1eec69",
"name": "Sticky Note32",
"type": "n8n-nodes-base.stickyNote",
"position": [
1120,
-300
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "Process each page/document separately."
},
"typeVersion": 1
},
{
"id": "3f632a24-ca0a-45c4-801d-041aa3f887a7",
"name": "Sticky Note29",
"type": "n8n-nodes-base.stickyNote",
"position": [
2220,
120
],
"parameters": {
"color": 7,
"width": 376.0759088111347,
"height": 275.841854198618,
"content": "Store additional meta data with each embed, especially the Notion ID, which can be later used to find all belonging entries of one page, even if they got split into multiple embeds."
},
"typeVersion": 1
},
{
"id": "ffaf3861-5287-4f57-8372-09216a18cb4d",
"name": "便签33",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
-300
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "Using a manual approach for polling data from Notion for more accuracy."
},
"typeVersion": 1
},
{
"id": "cbbedfc0-4d64-42a6-8f55-21e04887305f",
"name": "便签34",
"type": "n8n-nodes-base.stickyNote",
"position": [
680,
-300
],
"parameters": {
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "## 选择数据库"
},
"typeVersion": 1
},
{
"id": "8b6767f2-1bc9-42fb-b319-f39f6734b9f2",
"name": "便签35",
"type": "n8n-nodes-base.stickyNote",
"position": [
2000,
-160
],
"parameters": {
"color": 7,
"width": 216.47293010628914,
"height": 275.841854198618,
"content": "Combine all contents to a single text formatted into one line which can be easily stored as an embed"
},
"typeVersion": 1
},
{
"id": "cdff1756-77d7-421e-8672-25c9862840b0",
"name": "Concatenate to single string",
"type": "n8n-nodes-base.summarize",
"position": [
2060,
-60
],
"parameters": {
"options": {},
"fieldsToSummarize": {
"values": [
{
"field": "content",
"separateBy": "\n",
"aggregation": "concatenate"
}
]
}
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "51075175-868a-4a3a-9580-5ad55e25ac71",
"connections": {
"Limit": {
"main": [
[
{
"node": "Get page blocks",
"type": "main",
"index": 0
}
]
]
},
"Limit1": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Notion Trigger": {
"main": [
[
{
"node": "Input Reference",
"type": "main",
"index": 0
}
]
]
},
"Token Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Get page blocks": {
"main": [
[
{
"node": "Concatenate to single string",
"type": "main",
"index": 0
}
]
]
},
"Input Reference": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "Delete old embeddings if exist",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get updated pages",
"type": "main",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "Supabase Vector Store",
"type": "ai_embedding",
"index": 0
},
{
"node": "Supabase Vector Store1",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Get updated pages": {
"main": [
[
{
"node": "Input Reference",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Question and Answer Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Supabase Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"Supabase Vector Store": {
"main": [
[
{
"node": "Limit1",
"type": "main",
"index": 0
}
]
]
},
"Supabase Vector Store1": {
"ai_vectorStore": [
[
{
"node": "Vector Store Retriever",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Vector Store Retriever": {
"ai_retriever": [
[
{
"node": "Question and Answer Chain",
"type": "ai_retriever",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "Question and Answer Chain",
"type": "main",
"index": 0
}
]
]
},
"Concatenate to single string": {
"main": [
[
{
"node": "Supabase Vector Store",
"type": "main",
"index": 0
}
]
]
},
"Delete old embeddings if exist": {
"main": [
[
{
"node": "Limit",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 构建模块, 人工智能
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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节点数量34
分类2
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作者
Mario
@octionicWorkflow Optimization Expert | Software Architect. Use my link to book an initial consultation for custom built workflows using n8n.
外部链接
在 n8n.io 查看 →
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