From 2a36d133e39cb28fe6b9f23aedc4b6495d09b659 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@iki.fi>
Date: Wed, 6 Aug 2025 09:09:47 +0300
Subject: [PATCH] serverless: Improve pragma() after close() error

---
 packages/turso-serverless/src/connection.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/turso-serverless/src/connection.ts b/packages/turso-serverless/src/connection.ts
index 418822136..facc21562 100644
--- a/packages/turso-serverless/src/connection.ts
+++ b/packages/turso-serverless/src/connection.ts
@@ -94,6 +94,9 @@ export class Connection {
    * @returns Promise resolving to the result of the pragma
    */
   async pragma(pragma: string): Promise<any> {
+    if (!this.isOpen) {
+      throw new TypeError("The database connection is not open");
+    }
     const sql = `PRAGMA ${pragma}`;
     return this.session.execute(sql);
   }