convert admin_pending_creations to decimal

database/entity/0034-admin_pending_creations_decimal/AdminPendingCreation.ts

@@ -0,0 +1,33 @@
+import Decimal from 'decimal.js-light'
+import { BaseEntity, Column, Entity, PrimaryGeneratedColumn } from 'typeorm'
+import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
+
+@Entity('admin_pending_creations')
+export class AdminPendingCreation extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ unsigned: true, nullable: false })
+  userId: number
+
+  @Column({ type: 'datetime', default: () => 'CURRENT_TIMESTAMP' })
+  created: Date
+
+  @Column({ type: 'datetime', nullable: false })
+  date: Date
+
+  @Column({ length: 256, nullable: true, default: null })
+  memo: string
+
+  @Column({
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: false,
+    transformer: DecimalTransformer,
+  })
+  amount: Decimal
+
+  @Column()
+  moderator: number
+}

database/entity/AdminPendingCreation.ts

@@ -1 +1 @@
-export { AdminPendingCreation } from './0015-admin_pending_creations/AdminPendingCreation'
+export { AdminPendingCreation } from './0034-admin_pending_creations_decimal/AdminPendingCreation'

database/migrations/0034-admin_pending_creations_decimal.ts

@@ -0,0 +1,33 @@
+/* MIGRATION TO CHANGE `amount` FIELD TYPE TO `Decimal` ON `admin_pending_creations` */
+
+/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  // rename `amount` to `amount_bigint`
+  await queryFn('ALTER TABLE `admin_pending_creations` RENAME COLUMN `amount` TO `amount_bigint`;')
+  // add `amount` (decimal)
+  await queryFn(
+    'ALTER TABLE `admin_pending_creations` ADD COLUMN `amount` DECIMAL(40,20) DEFAULT NULL AFTER `amount_bigint`;',
+  )
+  // fill new `amount` column
+  await queryFn('UPDATE `admin_pending_creations` SET `amount` = `amount_bigint` DIV 10000;')
+  // make `amount` not nullable
+  await queryFn(
+    'ALTER TABLE `admin_pending_creations` MODIFY COLUMN `amount` DECIMAL(40,20) NOT NULL;',
+  )
+  // drop `amount_bitint` column
+  await queryFn('ALTER TABLE `admin_pending_creations` DROP COLUMN `amount_bigint`;')
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    'ALTER TABLE `admin_pending_creations` ADD COLUMN `amount_bigint` bigint(20) DEFAULT NULL AFTER `amount`;',
+  )
+  await queryFn('UPDATE `admin_pending_creations` SET `amount_bigint` = `amount` * 10000;')
+  await queryFn(
+    'ALTER TABLE `admin_pending_creations` MODIFY COLUMN `amount_bigint` bigint(20) NOT NULL;',
+  )
+  await queryFn('ALTER TABLE `admin_pending_creations` DROP COLUMN `amount`;')
+  await queryFn('ALTER TABLE `admin_pending_creations` RENAME COLUMN `amount_bigint` TO `amount`;')
+}