Postgres enum in typeorm

Question

In typeorm, how can I create a postgres enum type Gender as in this raw query

CREATE TYPE public.Gender AS ENUM (
    \'male\', \'female\'
);
ALTER TABL         


        

Answer 1

EDIT: This answer is still valid but a bit outdated as 0.1.0 alpha versions of TypeORM support enums for both PostgreSQL and MySQL.

---

PostgreSQL has a built in enum type, but unfortunately TypeORM currently only supports it for MySQL.

However, you could achieve a similar result with an int-type enum by using the @Column type as int and using the enum for your field type.

enum Gender {
  Male,
  Female,
  Other
}

@Entity()
export class Person {
    @Column('int')
    gender: Gender
}

(This approach lets you use the @IsEnum decorator from class-validator to validate the input if needed)

You could also use string enums (available on TypeScript 2.4, check Typescript `enum` from JSON string for older versions) and if that is the case just change the data type to string instead.

enum Gender {
  Male = 'male',
  Female = 'female',
  Other = 'other'
}

@Entity()
export class Person {
    @Column('text')
    gender: Gender
}