typeORM: "message": "Data type \"Object\" in \"..." is not supported by \"postgres\" database."

node.js typescript postgresql typeorm reflect-metadata

You need to provide a data type explicitly.

@Column({ type: 'varchar', nullable: true })name: string | null;

node.js typescript postgresql typeorm reflect-metadata

The issue stems from this part right here:

@Column({ nullable: true })name!: string | null;

When creating a union type, the reflected type will be Object.An easy way to overcome it will be to do something like:

@Column({ nullable: true })name?: string;

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