Debug Your Infrastructure

Get Instant Solutions for Kubernetes, Databases, Docker and more

AWS CloudWatch
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Pod Stuck in CrashLoopBackOff
Database connection timeout
Docker Container won't Start
Kubernetes ingress not working
Redis connection refused
CI/CD pipeline failing

Javascript TypeORM DataTypeNotSupportedError

The specified data type is not supported by the database driver.

Understanding TypeORM and Its Purpose

TypeORM is a popular Object-Relational Mapper (ORM) for TypeScript and JavaScript. It is designed to work with various databases, including MySQL, PostgreSQL, SQLite, and more. TypeORM allows developers to interact with databases using TypeScript or JavaScript, providing a more intuitive and object-oriented approach to database management. By abstracting the database interactions, TypeORM simplifies the process of writing queries and managing data models.

Identifying the Symptom: DataTypeNotSupportedError

When working with TypeORM, you might encounter the DataTypeNotSupportedError. This error typically occurs when you attempt to use a data type that is not supported by the database driver you are using. The error message might look something like this:

Error: DataTypeNotSupportedError: Data type "XYZ" in "EntityName" is not supported by "DriverName".

This error indicates that the specified data type cannot be used with the current database configuration.

Exploring the Issue: Why Does This Error Occur?

The DataTypeNotSupportedError arises when there is a mismatch between the data type specified in your TypeORM entity and the data types supported by your database driver. Each database has its own set of supported data types, and not all drivers support every possible data type. For example, using a data type like JSONB might be supported in PostgreSQL but not in MySQL.

Common Scenarios Leading to the Error

  • Using a custom or less common data type that is not universally supported.
  • Attempting to use a data type specific to a different database system.
  • Outdated or incompatible database driver that lacks support for newer data types.

Steps to Fix the DataTypeNotSupportedError

To resolve the DataTypeNotSupportedError, follow these steps:

1. Verify Supported Data Types

Check the documentation of your database driver to ensure that the data type you are using is supported. You can find the documentation for popular databases here:

2. Update Your Database Driver

If the data type is supported by the database but not by your current driver, consider updating the driver to the latest version. This can be done using npm:

npm install [driver-name]@latest

Replace [driver-name] with the name of your database driver, such as pg for PostgreSQL or mysql for MySQL.

3. Use an Alternative Data Type

If the data type is not supported, consider using an alternative data type that provides similar functionality. For instance, if JSONB is not supported, you might use TEXT and handle JSON parsing in your application logic.

4. Modify Your Entity Definition

Update your TypeORM entity to use a supported data type. For example, change:

@Column("XYZ")

To a supported type:

@Column("TEXT")

Conclusion

By understanding the root cause of the DataTypeNotSupportedError and following the steps outlined above, you can effectively resolve this issue and ensure your TypeORM application runs smoothly. Always refer to the latest documentation and keep your dependencies updated to avoid such errors in the future.

Master 

Javascript TypeORM DataTypeNotSupportedError

 debugging in Minutes

— Grab the Ultimate Cheatsheet

(Perfect for DevOps & SREs)

Most-used commands
Real-world configs/examples
Handy troubleshooting shortcuts
Your email is safe with us. No spam, ever.

Thankyou for your submission

We have sent the cheatsheet on your email!
Oops! Something went wrong while submitting the form.

Javascript TypeORM DataTypeNotSupportedError

Cheatsheet

(Perfect for DevOps & SREs)

Most-used commands
Your email is safe thing.

Thankyou for your submission

We have sent the cheatsheet on your email!
Oops! Something went wrong while submitting the form.

MORE ISSUES

Deep Sea Tech Inc. — Made with ❤️ in Bangalore & San Francisco 🏢

Doctor Droid