You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20240202024630_create_solid_cache_entries.solid_cache.rb
    path of file: ./repos/black_candy/db/migrate
    
    the code of the file until where you have to start completion: # This migration comes from solid_cache (originally 20230724121448)
class CreateSolidCacheEntries < ActiveRecord::Migration[7.0]
  def change
    create_table :solid_cache_entries do |t|
      t.binary :
    
  def change
    create_table :solid_cache_entries do |t|
      t.binary :key, null: false, limit: 1024
      t.binary :value, null: false, limit: 512.megabytes
      t.datetime :created_at, null: false

      t.index :key, unique: true
    end
  end