Add name history plugin

src/migrations/1546778415930-CreateNameHistoryTable.ts

@@ -0,0 +1,62 @@
+import { MigrationInterface, QueryRunner, Table } from "typeorm";
+
+export class CreateNameHistoryTable1546778415930 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<any> {
+    await queryRunner.createTable(
+      new Table({
+        name: "name_history",
+        columns: [
+          {
+            name: "id",
+            type: "int",
+            unsigned: true,
+            isGenerated: true,
+            generationStrategy: "increment",
+            isPrimary: true
+          },
+          {
+            name: "guild_id",
+            type: "bigint",
+            unsigned: true
+          },
+          {
+            name: "user_id",
+            type: "bigint",
+            unsigned: true
+          },
+          {
+            name: "type",
+            type: "tinyint",
+            unsigned: true
+          },
+          {
+            name: "value",
+            type: "varchar",
+            length: "128",
+            isNullable: true
+          },
+          {
+            name: "timestamp",
+            type: "datetime",
+            default: "CURRENT_TIMESTAMP"
+          }
+        ],
+        indices: [
+          {
+            columnNames: ["guild_id", "user_id"]
+          },
+          {
+            columnNames: ["type"]
+          },
+          {
+            columnNames: ["timestamp"]
+          }
+        ]
+      })
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<any> {
+    await queryRunner.dropTable("name_history");
+  }
+}