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diff --git a/priv/repo/migrations/20211218181640_resolve_activity_object_conflicts.exs b/priv/repo/migrations/20211218181640_resolve_activity_object_conflicts.exs
index eeec9dbfb..71bca1cbe 100644
--- a/priv/repo/migrations/20211218181640_resolve_activity_object_conflicts.exs
+++ b/priv/repo/migrations/20211218181640_resolve_activity_object_conflicts.exs
@@ -1,113 +1,49 @@
defmodule Pleroma.Repo.Migrations.ResolveActivityObjectConflicts do
@moduledoc """
Find objects with a conflicting activity ID, and update them.
This should only happen on servers that existed before "20181218172826_users_and_activities_flake_id".
"""
use Ecto.Migration
- require Integer
- alias Pleroma.Clippy
alias Pleroma.Object
alias Pleroma.MigrationHelper.ObjectId
alias Pleroma.Repo
import Ecto.Query
def up do
- clippy = start_clippy_heartbeats()
-
# Lock relevant tables
execute("LOCK TABLE objects")
execute("LOCK TABLE chat_message_references")
execute("LOCK TABLE deliveries")
execute("LOCK TABLE hashtags_objects")
# Temporarily disable triggers (and by consequence, fkey constraints)
# https://stackoverflow.com/a/18709987
Repo.query!("SET session_replication_role = replica")
# Update conflicting objects
activity_conflict_query()
|> Repo.stream()
|> Stream.each(&update_object!/1)
|> Stream.run()
# Re-enable triggers
Repo.query!("SET session_replication_role = DEFAULT")
-
- flush()
-
- stop_clippy_heartbeats(clippy)
end
# Get only objects with a conflicting activity ID.
defp activity_conflict_query() do
join(Object, :inner, [o], a in "activities", on: a.id == o.id)
end
# Update the object and its relations with a newly-generated ID.
defp update_object!(object) do
new_id = ObjectId.flake_from_time(object.inserted_at)
{:ok, %Object{}} = ObjectId.change_id(object, new_id)
end
def down do
:ok
end
-
- defp start_clippy_heartbeats() do
- count = from(o in "objects", select: count(o.id)) |> Repo.one!()
-
- if count > 5000 do
- heartbeat_interval = :timer.minutes(2) + :timer.seconds(30)
-
- all_tips =
- Clippy.tips() ++
- [
- "The migration is still running, maybe it's time for another “tea”?",
- "Happy rabbits practice a cute behavior known as a\n“binky:” they jump up in the air\nand twist\nand spin around!",
- "Nothing and everything.\n\nI still work.",
- "Pleroma runs on a Raspberry Pi!\n\n … but this migration will take forever if you\nactually run on a raspberry pi",
- "Status? Stati? Post? Note? Toot?\nRepeat? Reboost? Boost? Retweet? Retoot??\n\nI-I'm confused."
- ]
-
- heartbeat = fn heartbeat, runs, all_tips, tips ->
- tips =
- if Integer.is_even(runs) do
- tips = if tips == [], do: all_tips, else: tips
- [tip | tips] = Enum.shuffle(tips)
- Clippy.puts(tip)
- tips
- else
- IO.puts(
- "\n -- #{DateTime.to_string(DateTime.utc_now())} Migration still running, please wait…\n"
- )
-
- tips
- end
-
- :timer.sleep(heartbeat_interval)
- heartbeat.(heartbeat, runs + 1, all_tips, tips)
- end
-
- Clippy.puts([
- [:red, :bright, "It looks like you are running an older instance!"],
- [""],
- [:bright, "This migration may take a long time", :reset, " -- so you probably should"],
- ["go drink a cofe, or a tea, or a beer, a whiskey, a vodka,"],
- ["while it runs to deal with your temporary fediverse pause!"]
- ])
-
- :timer.sleep(heartbeat_interval)
- spawn_link(fn -> heartbeat.(heartbeat, 1, all_tips, []) end)
- end
- end
-
- defp stop_clippy_heartbeats(pid) do
- if pid do
- Process.unlink(pid)
- Process.exit(pid, :kill)
- Clippy.puts([[:green, :bright, "Hurray!!", "", "", "Migration completed!"]])
- end
- end
end

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