3 files changed, 85 insertions, 0 deletions
diff --git a/priv/repo/migrations/20200328124805_change_following_relationships_state_to_integer.exs b/priv/repo/migrations/20200328124805_change_following_relationships_state_to_integer.exs
new file mode 100644
index 000000000..2b0820f3f
--- /dev/null
+++ b/priv/repo/migrations/20200328124805_change_following_relationships_state_to_integer.exs
@@ -0,0 +1,29 @@
+defmodule Pleroma.Repo.Migrations.ChangeFollowingRelationshipsStateToInteger do
+  use Ecto.Migration
+
+  @alter_following_relationship_state "ALTER TABLE following_relationships ALTER COLUMN state"
+
+  def up do
+    execute("""
+    #{@alter_following_relationship_state} TYPE integer USING
+    CASE
+      WHEN state = 'pending' THEN 1
+      WHEN state = 'accept' THEN 2
+      WHEN state = 'reject' THEN 3
+      ELSE 0
+    END;
+    """)
+  end
+
+  def down do
+    execute("""
+    #{@alter_following_relationship_state} TYPE varchar(255) USING
+    CASE
+      WHEN state = 1 THEN 'pending'
+      WHEN state = 2 THEN 'accept'
+      WHEN state = 3 THEN 'reject'
+      ELSE ''
+    END;
+    """)
+  end
+end
diff --git a/priv/repo/migrations/20200328130139_add_following_relationships_following_id_index.exs b/priv/repo/migrations/20200328130139_add_following_relationships_following_id_index.exs
new file mode 100644
index 000000000..884832f84
--- /dev/null
+++ b/priv/repo/migrations/20200328130139_add_following_relationships_following_id_index.exs
@@ -0,0 +1,11 @@
+defmodule Pleroma.Repo.Migrations.AddFollowingRelationshipsFollowingIdIndex do
+  use Ecto.Migration
+
+  # [:follower_index] index is useless because of [:follower_id, :following_id] index
+  # [:following_id] index makes sense because of user's followers-targeted queries
+  def change do
+    drop_if_exists(index(:following_relationships, [:follower_id]))
+
+    create_if_not_exists(index(:following_relationships, [:following_id]))
+  end
+end
diff --git a/priv/repo/migrations/20200428221338_insert_skeletons_for_deleted_users.exs b/priv/repo/migrations/20200428221338_insert_skeletons_for_deleted_users.exs
new file mode 100644
index 000000000..11d9a70ba
--- /dev/null
+++ b/priv/repo/migrations/20200428221338_insert_skeletons_for_deleted_users.exs
@@ -0,0 +1,45 @@
+defmodule Pleroma.Repo.Migrations.InsertSkeletonsForDeletedUsers do
+  use Ecto.Migration
+
+  alias Pleroma.User
+  alias Pleroma.Repo
+
+  import Ecto.Query
+
+  def change do
+    Application.ensure_all_started(:flake_id)
+
+    local_ap_id =
+      User.Query.build(%{local: true})
+      |> select([u], u.ap_id)
+      |> limit(1)
+      |> Repo.one()
+
+    unless local_ap_id == nil do
+      # Hack to get instance base url because getting it from Phoenix
+      # would require starting the whole application
+      instance_uri =
+        local_ap_id
+        |> URI.parse()
+        |> Map.put(:query, nil)
+        |> Map.put(:path, nil)
+        |> URI.to_string()
+
+      {:ok, %{rows: ap_ids}} =
+        Ecto.Adapters.SQL.query(
+          Repo,
+          "select distinct unnest(nonexistent_locals.recipients) from activities, lateral (select array_agg(recipient) as recipients from unnest(activities.recipients) as recipient where recipient similar to '#{
+            instance_uri
+          }/users/[A-Za-z0-9]*' and not(recipient in (select ap_id from users where local = true))) nonexistent_locals;",
+          [],
+          timeout: :infinity
+        )
+
+      ap_ids
+      |> Enum.each(fn [ap_id] ->
+        Ecto.Changeset.change(%User{}, deactivated: true, ap_id: ap_id)
+        |> Repo.insert()
+      end)
+    end
+  end
+end