Add 'packages/backend/' from commit 'acce648ee5e7e3a3006451e637c0db654820cc48'

git-subtree-dir: packages/backend
git-subtree-mainline: d0babd62af
git-subtree-split: acce648ee5

packages/backend/src/db/schema.ts

@@ -0,0 +1,36 @@
+import { integer, pgTable, uniqueIndex, varchar } from "drizzle-orm/pg-core";
+
+export const User = pgTable("User", {
+    id: integer().primaryKey().generatedAlwaysAsIdentity(),
+    name: varchar({ length: 256 }).notNull(),
+    username: varchar({ length: 32 }).notNull().unique(),
+});
+
+export const Project = pgTable("Project", {
+    id: integer().primaryKey().generatedAlwaysAsIdentity(),
+    blob: varchar({ length: 4 }).notNull(),
+    name: varchar({ length: 256 }).notNull(),
+    ownerId: integer()
+        .notNull()
+        .references(() => User.id),
+});
+
+export const Issue = pgTable(
+    "Issue",
+    {
+        id: integer().primaryKey().generatedAlwaysAsIdentity(),
+        projectId: integer()
+            .notNull()
+            .references(() => Project.id),
+
+        number: integer("number").notNull(),
+
+        title: varchar({ length: 256 }).notNull(),
+        description: varchar({ length: 2048 }).notNull(),
+    },
+    (t) => [
+        // ensures unique numbers per project
+        // you can have Issue 1 in PROJ and Issue 1 in TEST, but not two Issue 1s in PROJ
+        uniqueIndex("unique_project_issue_number").on(t.projectId, t.number),
+    ],
+);