Connecting Firebase Firestore to Google BigQuery for Advanced Analytics and Custom Reports

Connecting Firebase Firestore to Google BigQuery for Advanced Analytics and Custom Reports

Engineering consulting
Allan Porras
Allan Porras Feb 2 2024 • 2 min read

Firebase Firestore's real-time, flexible NoSQL charm meets Google BigQuery's lightning-fast SQL muscle – a match made in data analysis heaven. This dynamic duo empowers you to create custom reports for your app, gleaning deeper insights and making data-driven decisions with ease. Let's delve into the technicalities of connecting them, exploring both one-time and continuous methods:

Method 1: Manual Export for Targeted Analysis

Need a one-shot analysis of your Firestore data? This method is your champion.

1. Exporting from Firestore:

  • Navigate to your Firebase project in the console and head to Build > Firestore Database.
  • Choose your preferred export format (JSON, CSV, or Firestore Export JSON).
  • Select the specific collections you want to export and initiate the download.

2. Uploading to BigQuery:

  • Open the BigQuery console and select your project.
  • Navigate to the target dataset and click Create Table.
  • Under Source, choose Cloud Storage and provide the downloaded file's URI.
  • Configure schema fields (automatic or manual) and bring your table to life!

3. Analyze & Report:

  • Craft SQL queries in BigQuery to explore and analyze your data from various angles.
  • Unleash the power of visualization tools like Google Data Studio or Looker to transform your findings into stunning, informative reports.

Code Example (BigQuery Schema Definition):

CREATE TABLE `your_project.your_dataset.your_table` (
  timestamp TIMESTAMP,
  // Add other fields based on your Firestore document schema


Method 2: Stream Firestore Data for Continuous Insights

Craving real-time or scheduled updates for your BigQuery data? This method keeps your analytics pipeline constantly fed.

1. Install & Configure Firebase Extension:

  • In the Firebase console, visit Build > Extensions.
  • Search for and install the Firebase to BigQuery extension.
  • Follow the setup wizard, linking your BigQuery project and configuring data export settings.

2. Define Data Export:

  • Select the Firestore collections and documents you want to continuously export.
  • Choose the BigQuery dataset and table where the data will reside.
  • Configure write consistency and error handling to ensure smooth sailing.

3. Build Reports & Dashboards:

  • Leverage BigQuery's SQL capabilities and visualization tools to craft insightful reports and interactive dashboards that wow.

Code Example (Firebase Extension Configuration):

  "destinations": [
      "projectId": "your_bigquery_project_id",
      "datasetId": "your_dataset_id",
      "tableId": "your_table_id",
      "collection": "your_firestore_collection"


Beyond the Basics: Pro Tips & Resources

  • Schema Harmony: Ensure consistent schema between Firestore and BigQuery for seamless data flow and analysis.
  • Fort Knox Security: Implement robust access controls and encryption to safeguard sensitive data.
  • Performance Tweaks: Consider partitioning and clustering in BigQuery for speedier queries.
  • Extension Extravaganza: Explore other Firebase Extensions like Cloud Functions for BigQuery to automate advanced tasks.

Hungry for More? Dive Deeper:

Remember, this is just the beginning of your data-driven adventure. By harnessing the power of Firestore and BigQuery, you unlock a treasure trove of insights to fuel your app's success. So, start exploring, experiment, and unleash the full potential of your data!

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Founded in 2012, 4Geeks is a global software engineering and revenue growth consulting firm for Fortune 500, Global 2000 and fast-growing SMBs. Provides top solutions to multiple industries including Retail, Healthcare, Banking & Financial Services, B2B SaaS, Manufacturing and Education. HQ in the USA, and delivery centers across Latin America.

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