edg DSL

Syntax highlighting for edg workload DSL files (.edg).

Features

• Syntax highlighting for .edg files
• Embedded SQL highlighting in raw strings
• Bracket matching and auto-closing
• Comment toggling

Highlighting support

• Keywords: let, object, ref, transaction, if, else, match, when, default, etc.
• Section blocks: up, seed, deseed, down, init, run
• Built-in functions: gen, uuid_v4, ref_rand, seq, timestamp, uniform etc.
• Strings, numbers, booleans, operators, and comments
• SQL keywords within raw strings (backtick-delimited)
• Placeholders: $1, ?, __values__, __columns__

Example

let users = 100000
let batch_size = 10000
let fetch_limit = batch_size / 2

up {
  create_users `CREATE TABLE IF NOT EXISTS users (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    email STRING NOT NULL
  )`
}

seed {
  populate_users(count: users, size: batch_size) `INSERT INTO users (email) __values__` (gen('email'))

  fetch_users `SELECT id, email FROM users LIMIT $1` (fetch_limit)
}

run {
  get_user `SELECT * FROM users WHERE id = $1::UUID` (ref_rand('fetch_users').id)

  update_email `UPDATE users SET email = $2 WHERE id = $1::UUID` (
    ref_rand('fetch_users').id,
    gen('email')
  )
}

deseed {
  truncate_users `TRUNCATE TABLE users CASCADE`
}

down {
  drop_users `DROP TABLE IF EXISTS users`
}

Links

• Docs