Workflow: Postgrestool Stickynote Send

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{
    "meta": {
        "instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
        "templateCredsSetupCompleted": true
    },
    "nodes": [
        {
            "id": "d08a2559-17fd-4bdb-a976-795c3823a88a",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -520,
                240
            ],
            "parameters": {
                "content": "## Try me out\nClick the 'chat' button at the bottom of the canvas and paste in:\n\n_Which tables are available?_"
            },
            "typeVersion": 1
        },
        {
            "id": "3019b559-6100-4ead-8e1a-a7dece2a6982",
            "name": "Sticky Note1",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -380,
                -60
            ],
            "parameters": {
                "color": 7,
                "width": 677,
                "height": 505,
                "content": "This workflow uses a Postgres DB, but you could swap it for a MySQL or SQLite one"
            },
            "typeVersion": 1
        },
        {
            "id": "73786411-5383-4921-82ee-06b3b582bab7",
            "name": "When chat message received",
            "type": "@n8n\/n8n-nodes-langchain.chatTrigger",
            "position": [
                -320,
                40
            ],
            "webhookId": "1c0d08f0-abd0-4bdc-beef-370c27aae1a0",
            "parameters": {
                "options": []
            },
            "typeVersion": 1.100000000000000088817841970012523233890533447265625
        },
        {
            "id": "e65a1558-e0c0-4c4a-a306-90dc6dcb618a",
            "name": "Postgres",
            "type": "n8n-nodes-base.postgresTool",
            "position": [
                140,
                260
            ],
            "parameters": {
                "query": "{{ $fromAI('sql_statement') }}",
                "options": [],
                "operation": "executeQuery"
            },
            "credentials": {
                "postgres": {
                    "id": "elRn5sxKOfCdlEs6",
                    "name": "Postgres account"
                }
            },
            "typeVersion": 2.5
        },
        {
            "id": "9df537e7-3ca2-4e72-bc85-ae0d944fbdd1",
            "name": "Simple Memory",
            "type": "@n8n\/n8n-nodes-langchain.memoryBufferWindow",
            "position": [
                0,
                260
            ],
            "parameters": [],
            "typeVersion": 1.3000000000000000444089209850062616169452667236328125
        },
        {
            "id": "57b2b959-9f25-475f-b6bb-842139725411",
            "name": "AI Agent",
            "type": "@n8n\/n8n-nodes-langchain.agent",
            "position": [
                -100,
                40
            ],
            "parameters": {
                "options": []
            },
            "typeVersion": 1.8000000000000000444089209850062616169452667236328125
        },
        {
            "id": "f21ac2dc-56ff-4ea6-a29e-168e7dfaf3fa",
            "name": "OpenAI Chat Model",
            "type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
            "position": [
                -160,
                260
            ],
            "parameters": {
                "model": {
                    "__rl": true,
                    "mode": "list",
                    "value": "gpt-4o-mini"
                },
                "options": []
            },
            "credentials": {
                "openAiApi": {
                    "id": "8gccIjcuf3gvaoEr",
                    "name": "OpenAi account"
                }
            },
            "typeVersion": 1.1999999999999999555910790149937383830547332763671875
        }
    ],
    "pinData": [],
    "connections": {
        "Postgres": {
            "ai_tool": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "Simple Memory": {
            "ai_memory": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_memory",
                        "index": 0
                    }
                ]
            ]
        },
        "OpenAI Chat Model": {
            "ai_languageModel": [
                [
                    {
                        "node": "AI Agent",
                        "type": "ai_languageModel",
                        "index": 0
                    }
                ]
            ]
        },
        "When chat message received": {
            "main": [
                [
                    {
                        "node": "AI Agent",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}
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