Add unique index migration (#34)

* add migration to delete duplicates that currently exist in the db

* change model and migration to add a unique index constraint to id and name

* renamed unique index name to be readable

* redid model and migration to use @Unique instead of @Index

* remove //Here comment

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Co-authored-by: Aster Fialla <asterfialla@gmail.com>

database/entity/Member.ts

@@ -1,6 +1,7 @@
-import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn} from "typeorm"
+import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, Unique} from "typeorm"
 
 @Entity({name: "Member", synchronize: true})
+@Unique("UQ_Member_userid_name", ['userid', 'name'])
 export class Member {
 
     @PrimaryGeneratedColumn()

database/migrations/1772830252670-update.ts

@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Update1772830252670 implements MigrationInterface {
+    name = 'Update1772830252670'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "Member" ADD CONSTRAINT "UQ_Member_userid_name" UNIQUE ("userid", "name")`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "Member" DROP CONSTRAINT "UQ_Member_userid_name"`);
+    }
+
+}