Cloudflare Developers•5mo ago

Hello I need help with next-on-pages, I

Hello I need help with next-on-pages, I have a remote D1 database, and added it locally too. I did some migration with drizzle and everything worked fine and the data persisted locally to a sqlite file (say X). But when I follow the steps in next-on-pages/next-dev to use bindings inside next.js app, it does not use the file X, instead, it creates new file Y which has no migrations. Any solutions to his behavior? I tried to see if there is a way to make the next.js local binding use file X but I found nothing.

7 Replies

yeehow•5mo ago

Was happening to me. I set databaseName in the binding to be the database ID instead of the name and it worked

Amr Yasser•5mo ago

@yeehow like this?

  setupDevBindings({
    bindings: {
      DB: {
        type: "d1",
        databaseName: "34137a76-b347-42f0-9786-8b71fbeaddeb",
      },
    },
  });

  setupDevBindings({
    bindings: {
      DB: {
        type: "d1",
        databaseName: "34137a76-b347-42f0-9786-8b71fbeaddeb",
      },
    },
  });

yeehow•5mo ago

Yeah, whatever you have for database_id in your wrangler.toml

Amr Yasser•5mo ago

First of all thank you! It worked but by setting databaseName to the binding in the wrangler.toml I found this due to the way they generate those strings below

import crypto from "node:crypto";

function durableObjectNamespaceIdFromName(uniqueKey, name) {
  const key = crypto.createHash("sha256").update(uniqueKey).digest();
  const nameHmac = crypto
    .createHmac("sha256", key)
    .update(name)
    .digest()
    .subarray(0, 16);
  const hmac = crypto
    .createHmac("sha256", key)
    .update(nameHmac)
    .digest()
    .subarray(0, 16);
  return Buffer.concat([nameHmac, hmac]).toString("hex");
}

console.log(
  durableObjectNamespaceIdFromName("miniflare-D1DatabaseObject", "DB")
);

import crypto from "node:crypto";

function durableObjectNamespaceIdFromName(uniqueKey, name) {
  const key = crypto.createHash("sha256").update(uniqueKey).digest();
  const nameHmac = crypto
    .createHmac("sha256", key)
    .update(name)
    .digest()
    .subarray(0, 16);
  const hmac = crypto
    .createHmac("sha256", key)
    .update(nameHmac)
    .digest()
    .subarray(0, 16);
  return Buffer.concat([nameHmac, hmac]).toString("hex");
}

console.log(
  durableObjectNamespaceIdFromName("miniflare-D1DatabaseObject", "DB")
);

This will output the exact same .sqlite file name

yeehow•5mo ago

So you did databaseName: "DB" ?

Amr Yasser•5mo ago

yes

  setupDevBindings({
    bindings: {
      DB: {
        type: "d1",
        databaseName: "DB",
      },
    },
  });

  setupDevBindings({
    bindings: {
      DB: {
        type: "d1",
        databaseName: "DB",
      },
    },
  });

yeehow•5mo ago

Oh cool! That is much easier

Gaming

Programming

Hello I need help with next-on-pages, I