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workers-qb
Advanced tools
Readme
Zero dependencies Query Builder for Cloudflare Workers
This module provides a simple standardized interface while keeping the benefits and speed of using raw queries over a traditional ORM.
workers-qb
is not intended to provide ORM-like functionality, rather to make it easier to interact with the database
from code for direct SQL access using convenient wrapper methods.
Currently, 2 databases are supported:
npm install workers-qb --save
import { D1QB } from 'workers-qb'
export interface Env {
DB: any
}
export default {
async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
const qb = new D1QB(env.DB)
type Employee = {
name: string
role: string
level: number
}
// Generated query: SELECT * FROM employees WHERE active = ?1
const employeeList = await qb
.fetchAll<Employee>({
tableName: 'employees',
where: {
conditions: 'active = ?1',
params: [true],
},
})
.execute()
// You get IDE type hints on each employee data, like:
// employeeList.results[0].name
return Response.json({
activeEmployees: employeeList.results?.length || 0,
})
},
}
Remember to close the connection using ctx.waitUntil(qb.close());
or await qb.close();
at the end of your request.
You may also reuse this connection to execute multiple queries, or share it between multiple requests if you are using
a connection pool in front of your PostgreSQL.
You must also enable node_compat = true
in your wrangler.toml
You need to install node-postgres
:
npm install pg --save
import { PGQB } from 'workers-qb'
import { Client } from 'pg'
export interface Env {
DB_URL: string
}
export default {
async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
const qb = new PGQB(new Client(env.DB_URL))
await qb.connect()
// Generated query: SELECT count(*) as count FROM employees WHERE active = ?1 LIMIT 1
const fetched = await qb
.fetchOne({
tableName: 'employees',
fields: 'count(*) as count',
where: {
conditions: 'active = ?1',
params: [true],
},
})
.execute()
ctx.waitUntil(qb.close())
return Response.json({
activeEmployees: fetched.results?.count || 0,
})
},
}
FAQs
Zero dependencies Query Builder for Cloudflare Workers
The npm package workers-qb receives a total of 389 weekly downloads. As such, workers-qb popularity was classified as not popular.
We found that workers-qb demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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