Search for a command to run...
defmodule MyApp.Repo.Migrations.AddMessagesInsertedAtIndex do
use Ecto.Migration
@disable_ddl_transaction true
@disable_migration_lock true
def change do
create index("messages", ["inserted_at DESC"], concurrently: true)
end
end
if you have multiple Elixir application nodes don't forget set the advisory lock
config :wave, Wave.Repo, migration_lock: :pg_advisory_locke
No comments yet. Be the first to comment.
Inside your application.ex file we will add our task supervisor with the name MyApp.TaskSupervisor MyApp.Application is the module where we essentially describe in what order BEAM should start our elixir application and it's the place where you descr...
In this talk, we will start by building the Backend while taking advantage of OTP primitives such as GenServer and friends to build a simple cron to fetch messages from Telegram API and then we build using Phoenix LiveView and Alpine.js to build the ...
In this talk, I'll try to convey the intuition of how GenServers are created from isolated actors and gain some deep and intuitive understanding of GenServer. https://youtu.be/zK5GnJwfrak
