From 6413e06a861bd383196c79d7754a67d96cd5e2a4 Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Wed, 3 Jun 2020 13:13:44 +0200
Subject: [PATCH] Migrations: Add unique index to ChatMessageReferences.

---
 ...add_unique_index_to_chat_message_references.exs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 priv/repo/migrations/20200603105113_add_unique_index_to_chat_message_references.exs

diff --git a/priv/repo/migrations/20200603105113_add_unique_index_to_chat_message_references.exs b/priv/repo/migrations/20200603105113_add_unique_index_to_chat_message_references.exs
new file mode 100644
index 000000000..1101be94f
--- /dev/null
+++ b/priv/repo/migrations/20200603105113_add_unique_index_to_chat_message_references.exs
@@ -0,0 +1,14 @@
+defmodule Pleroma.Repo.Migrations.BackfillChatMessageReferences do
+  use Ecto.Migration
+
+  alias Pleroma.Chat
+  alias Pleroma.ChatMessageReference
+  alias Pleroma.Object
+  alias Pleroma.Repo
+
+  import Ecto.Query
+
+  def change do
+    create(unique_index(:chat_message_references, [:object_id, :chat_id]))
+  end
+end