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•Created by Budi on 3/31/2024 in #help

What's the best way to query my db?

I'm running Supabase Postgres locally with Drizzle. In production, I'd use the connection pooler which would ensure I don't have too many concurrent connections. I can't locally however and Supabase often gives this error: PostgresError: remaining connection slots are reserved for non-replication superuser connections. I'm initiating the db as such:

import { drizzle } from "drizzle-orm/postgres-js"
import postgres from "postgres"
import * as schema from "../schemas/drizzleSchema"

export default function db() {
    const connectionString = process.env.DATABASE_URL

    if (!connectionString) {
        throw new Error("LOCAL_DATABASE_URL is undefined")
    }

    const client = postgres(connectionString)

    return drizzle(client, { schema })
}

import { drizzle } from "drizzle-orm/postgres-js"
import postgres from "postgres"
import * as schema from "../schemas/drizzleSchema"

export default function db() {
    const connectionString = process.env.DATABASE_URL

    if (!connectionString) {
        throw new Error("LOCAL_DATABASE_URL is undefined")
    }

    const client = postgres(connectionString)

    return drizzle(client, { schema })
}

And then in the necessary functions I import db and call it, like so: const database = db(). I have many helper functions which each create a db connection for the query, for example:

export async function getPostById(postId: number) {
    try {
        const database = db()
        return await database.query.posts.findFirst({ where: eq(posts.id, postId) })
    } catch (err) {
        error(400, "Couldn't get post")
    }
}

export async function getPostById(postId: number) {
    try {
        const database = db()
        return await database.query.posts.findFirst({ where: eq(posts.id, postId) })
    } catch (err) {
        error(400, "Couldn't get post")
    }
}

Is this the right way of doing things? Or should I pass the database to the helper functions, instead of initiating a connection there? I want to ensure I'm not creating unnecessary connections to the DB. Are there any best practices I should be aware of? Thanks!

8 replies

DTDrizzle Team

•Created by Budi on 3/30/2024 in #help

Studio not enough info to infer relation

I'm getting this error:

  throw new Error(
        ^

Error: There is not enough information to infer relation "__public__.posts.tags"

  throw new Error(
        ^

Error: There is not enough information to infer relation "__public__.posts.tags"

Here's my schema: https://github.com/budivoogt/bv_markdown_blog/blob/a15ec5062337460647693dd070e504e9eca54e14/src/lib/schemas/drizzleSchema.ts I believe I followed the docs carefully and ensured every table has its relations defined. The app works fine but studio doesn't launch. Any suggestions?

19 replies

DTDrizzle Team

•Created by Budi on 3/15/2024 in #help

Can't access innerJoin result in page data using Svelte

In src/routes/+layout.server.ts I have this load function, which returns postTags via a Drizzle query to my Supabase Postgres DB. It's successfully returning a result which I'm able to log to my console. However, I am unable to access the property via export let data or $page.data on child pages. Strangely, the other properties returned from my load functions are made accessible fine. I don't have any load functions that override the returned postTags in this server load function. Why could this be? I can't figure it out and since the other properties are returning fine, I doubt it's a Svelte issue. I'm not getting any typescript errors either. So I suspect it may be something related to the ORM. Thanks! Relevant code: https://github.com/brucey0x/bv_markdown_blog/blob/ebe102f5a4713443d5b2e8e1c1a77cad6b88403c/src/routes/%2Blayout.server.ts https://github.com/brucey0x/bv_markdown_blog/blob/ebe102f5a4713443d5b2e8e1c1a77cad6b88403c/src/app.d.ts

4 replies

DTDrizzle Team

•Created by Budi on 12/29/2023 in #help

Drizzle Studio not working with bun

I had a basic project running with pnpm, then switched to bun and removed the dotenv package and its imports in /drizzle.config.ts. Now when I run bun drizzle-kit studio I get this error: /drizzle/drizzle.config.json file does not exist Previously it didn't look in the /drizzle folder for the config file, and automatically detected that my config was in root and ended with a .ts extension. If I run bun drizzle-kit studio --config ../drizzle.config.ts it picks up the config file, but I get this error:

 Invalid input  "url" is a required option for driver "turso". You can read more about drizzle.config: https://orm.drizzle.team/kit-docs/config-reference
 Invalid input  "authToken" is a required option for driver "turso". You can read more about drizzle.config: https://orm.drizzle.team/kit-docs/config-reference
error: "drizzle-kit" exited with code 1

 Invalid input  "url" is a required option for driver "turso". You can read more about drizzle.config: https://orm.drizzle.team/kit-docs/config-reference
 Invalid input  "authToken" is a required option for driver "turso". You can read more about drizzle.config: https://orm.drizzle.team/kit-docs/config-reference
error: "drizzle-kit" exited with code 1

Here's my drizzle.config.ts:

import type { Config } from "drizzle-kit"

export default {
    schema: "./drizzle/schema.ts",
    out: "./drizzle/migrations",
    driver: "turso",
    dbCredentials: {
        url: process.env.LOCAL_DATABASE_URL as string,
        authToken: process.env.LOCAL_DATABASE_AUTH_TOKEN as string
    },
    // Print all statements
    verbose: true,
    // Always ask for confirmation, even they aren't breaking
    strict: true,
    // Execute every migration statement individually
    breakpoints: true
} satisfies Config

import type { Config } from "drizzle-kit"

export default {
    schema: "./drizzle/schema.ts",
    out: "./drizzle/migrations",
    driver: "turso",
    dbCredentials: {
        url: process.env.LOCAL_DATABASE_URL as string,
        authToken: process.env.LOCAL_DATABASE_AUTH_TOKEN as string
    },
    // Print all statements
    verbose: true,
    // Always ask for confirmation, even they aren't breaking
    strict: true,
    // Execute every migration statement individually
    breakpoints: true
} satisfies Config

The one change I've made to my config file is that I removed the dotenv package that I previously used (when still using pnpm/node). It seems that drizzle studio isn't picking up the env variables via bun. Is this intentional behaviour? How should I resolve this? Thanks!

2 replies

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