Generar SQL de BigQuery a partir de consultas en lenguaje natural con chat GPT-4o
Este es unInternal Wiki, AI Chatbotflujo de automatización del dominio deautomatización que contiene 13 nodos.Utiliza principalmente nodos como Code, Merge, Aggregate, GoogleBigQuery, Agent. Usar el chat de GPT-4o para generar SQL de BigQuery a partir de consultas en lenguaje natural
- •Clave de API de OpenAI
Nodos utilizados (13)
Categoría
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"content": "Talk-to-Data: Instant BigQuery SQL Generator\n### Need more help?\n- **LinkedIn:** https://www.linkedin.com/in/robertbreen\n- **Email:** rbreen@ynteractive.com "
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"content": "\n#### ⚙️ Setup Instructions\n\n1. **Import the workflow** \n - n8n → **Workflows → Import from File** (or **Paste JSON**) → **Save**\n\n2. **Add credentials** \n | Service | Where to create credentials | Node(s) to update |\n |---------|----------------------------|-------------------|\n | **OpenAI** | <https://platform.openai.com> → Create API key | **OpenAI Chat Model** |\n | **Google BigQuery** | Google Cloud Console → IAM & Admin → Service Account JSON key | **Google BigQuery** (schema + query) |\n\n3. **Point the schema fetcher to your dataset** \n - In **Google BigQuery1** you’ll see: \n ```sql\n SELECT table_name, column_name, data_type\n FROM `n8nautomation-453001.email_leads_schema.INFORMATION_SCHEMA.COLUMNS`\n ``` \n - Replace **`n8nautomation-453001.email_leads_schema`** with **`YOUR_PROJECT.YOUR_DATASET`**. \n - Keep the rest of the query the same—BigQuery’s `INFORMATION_SCHEMA` always surfaces `table_name`, `column_name`, and `data_type`.\n\n4. **Update the execution node** \n - Open **Google BigQuery** (the second BigQuery node). \n - In **Project ID** select your project. \n - The **SQL Query** field is already `{{ $json.output.query }}` so it will run whatever the AI returns.\n\n5. **(Optional)Embed the chat interface** \n\n6. **Test end-to-end** \n - Open the embedded chat widget. \n - Ask: *“How many distinct email leads were created last week?”* \n - After a few seconds the workflow will return a table of results—or an error if the schema lacks the requested fields.\n - As specific questions about your data\n\n8. **Activate** \n - Toggle **Active** so the chat assistant is available 24/7.\n\n"
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"systemMessage": "=You are a helpful AI assistant that writes valid SQL queries for Google BigQuery.\n\nYou will be given:\n- A user’s question,\n- A list of available table names and column names. {{ $json.text }}\n\nYour task is to:\n1. Write a syntactically correct BigQuery SQL query that best answers the user's question,\n2. Only use table and column names that appear in the provided schema — do not guess or invent names,\n3. Make the best possible guess about which table and columns to use *from the given list only*,\n4. Return your output in a strict JSON format with one key: \"query\".\n\n⚠️ Do NOT invent table or column names.\n⚠️ If a relevant field does not exist, make the best effort to answer with what's available, or omit that part.\n⚠️ Do NOT include any explanation, notes, or comments — only the final JSON.\n\n---\n\n\n**this schema must be written before the table name Schema:**\n\n`n8nautomation-453001.email_leads_schema.\n\noutput data in json like this. \n{\n\t\"query\": \"sql query and no other text\"\n} "
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}¿Cómo usar este flujo de trabajo?
Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.
¿En qué escenarios es adecuado este flujo de trabajo?
Intermedio - Wiki interno, Chatbot de IA
¿Es de pago?
Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.
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Robert Breen
@rbreenProfessional services consultant with over 10 years of experience solving complex business problems across industries. I specialize in n8n and process automation—designing custom workflows that integrate tools like Google Calendar, Airtable, GPT, and internal systems. Whether you need to automate scheduling, sync data, or streamline operations, I build solutions that save time and drive results.
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