Initial commit

templates/drizzle-mysql.ts

@@ -0,0 +1,97 @@
+/**
+ * Drizzle ORM with MySQL
+ *
+ * Type-safe ORM for MySQL via Hyperdrive.
+ *
+ * Install: npm install drizzle-orm mysql2
+ * Install (dev): npm install -D drizzle-kit
+ *
+ * Minimum version: mysql2@3.13.0
+ */
+
+import { drizzle } from "drizzle-orm/mysql2";
+import { createConnection } from "mysql2";
+import { mysqlTable, int, varchar, timestamp } from "drizzle-orm/mysql-core";
+import { eq } from "drizzle-orm";
+
+// Define schema
+export const users = mysqlTable("users", {
+  id: int("id").primaryKey().autoincrement(),
+  name: varchar("name", { length: 255 }).notNull(),
+  email: varchar("email", { length: 255 }).notNull(),
+  createdAt: timestamp("created_at").defaultNow(),
+});
+
+type Bindings = {
+  HYPERDRIVE: Hyperdrive;
+};
+
+export default {
+  async fetch(
+    request: Request,
+    env: Bindings,
+    ctx: ExecutionContext
+  ): Promise<Response> {
+    // Create mysql2 connection
+    const connection = createConnection({
+      host: env.HYPERDRIVE.host,
+      user: env.HYPERDRIVE.user,
+      password: env.HYPERDRIVE.password,
+      database: env.HYPERDRIVE.database,
+      port: env.HYPERDRIVE.port,
+      disableEval: true  // REQUIRED for Workers
+    });
+
+    // Create Drizzle client
+    const db = drizzle(connection);
+
+    try {
+      // Example: Select all users
+      const allUsers = await db.select().from(users);
+
+      // Example: Select with where clause
+      const user = await db
+        .select()
+        .from(users)
+        .where(eq(users.id, 1));
+
+      // Example: Insert
+      await db.insert(users).values({
+        name: "John Doe",
+        email: `john.${Date.now()}@example.com`
+      });
+
+      // Example: Update
+      await db
+        .update(users)
+        .set({ name: "Jane Doe" })
+        .where(eq(users.id, 1));
+
+      return Response.json({
+        success: true,
+        data: {
+          allUsers,
+          user
+        }
+      });
+
+    } catch (error: any) {
+      console.error("Database error:", error);
+
+      return Response.json({
+        success: false,
+        error: error.message
+      }, {
+        status: 500
+      });
+
+    } finally {
+      // CRITICAL: Clean up connection
+      ctx.waitUntil(
+        new Promise<void>((resolve) => {
+          connection.end(() => resolve());
+        })
+      );
+    }
+  }
+};