Data Processing & Analysis

Gmail to Vector Embeddings with PGVector and Ollama

Complex

High

Nodes

Complex

Trigger

High

Complexity

7/22/2025

Added

Workflow Overview

Total Nodes

Node Types

embeddings Ollama

Embeddings Ollama

1 node

document Default Data Loader

Default Data Loader

1 node

text Splitter Recursive Character Text Splitter

Recursive Character Text Splitter

1 node

gmail Trigger

Gmail Trigger

1 node

split In Batches

Loop Over Items

1 node

split Out

Split Out

1 node

Was manually triggered?

1 node

manual Trigger

Manual Trigger

1 node

no Op

No Operation, do nothing

1 node

sticky Note

Sticky Note, Sticky Note1, Sticky Note2, Sticky Note3

4 nodes

set

Set before and after dates, Extract email fields

2 nodes

postgres

Store structured, Create the table

2 nodes

vector Store P G Vector

Store vectorized

1 node

code

Explode interval into weeks

1 node

gmail

Get a batch of messages

1 node

Workflow JSON

18.96 KB

{
  "id": "ZiIoKEClTk83g1Jt",
  "meta": {
    "instanceId": "8a3ba313628b26e4e4cf0504ff23322f235d6b433d92e59bcf8762764730ed80",
    "templateCredsSetupCompleted": true
  },
  "name": "Gmail to Vector Embeddings with PGVector and Ollama",
  "tags": [],
  "nodes": [
    {
      "id": "162b1a8b-2471-4880-9fcb-7f2dcfe175a8",
      "name": "Embeddings Ollama",
      "type": "@n8n/n8n-nodes-langchain.embeddingsOllama",
      "position": [
        1920,
        -100
      ],
      "parameters": {
        "model": "nomic-embed-text:latest"
      },
      "credentials": {},
      "typeVersion": 1
    },
    {
      "id": "49eb04b0-3b54-499c-ba46-3251102a4017",
      "name": "Default Data Loader",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "position": [
        2040,
        -97.5
      ],
      "parameters": {
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "emails_metadata.id",
                "...

Showing first 1000 characters. Click "Expand" to view the full JSON.