这是用户实体:
import { Entity, PrimaryKey, Property } from "@mikro-orm/core";
import { ObjectType, Field } from "type-graphql";
@ObjectType()
@Entity()
export class User {
@Field()
@PrimaryKey()
id!: number;
@Field(() => String)
@Property({ type: "date" })
createdAt = new Date();
@Field(() => String)
@Property({ type: "date", onUpdate: () => new Date() })
updatedAt = new Date();
@Field()
@Property({ type: "text", unique: true })
username!: string;
@Field()
@Property({ type: "text", unique: true })
email!: string;
@Property({ type: "text" })
password!: string;
}
这是迁移脚本:
"create:migration": "mikro-orm migration:create"
我已经有用户名和密码列,但是当我尝试添加“电子邮件”列时,迁移成功运行,但它没有反映在数据库中。这是迁移结果:
export class Migration20210608151159 extends Migration {
async up(): Promise<void> {
this.addSql('alter table "user" add column "email" text not null;');
this.addSql('alter table "user" add constraint "user_email_unique" unique ("email");');
}
}
我刷新表格但没有看到电子邮件列。当我发送客户端请求时,我收到此错误:
error: insert into "user" as "e0" ("created_at", "email", "password", "updated_at", "username") values ($1, $2, $3, $4, $5) returning * - column "email" of relation "user" does not exist
当我npx mikro-orm migration:up
这次运行时,我收到以下消息:
"DriverException: alter table "user" add column "email" text not null; - column "email" of relation "user" already exists"
不知何故,迁移不会修改数据库