From 9a6ec1d0c61b98b763c06ba6ae67809de29f22eb Mon Sep 17 00:00:00 2001
From: Dan Ungureanu <dan@ungureanu.me>
Date: Mon, 6 Dec 2021 19:17:32 +0200
Subject: [PATCH] PERF: Add index on email_tokens.token_hash

---
 app/models/email_token.rb                                  | 5 +++--
 ...211206160211_create_index_on_email_tokens_token_hash.rb | 7 +++++++
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 db/migrate/20211206160211_create_index_on_email_tokens_token_hash.rb

diff --git a/app/models/email_token.rb b/app/models/email_token.rb
index 020a0112841..2d3dee9b005 100644
--- a/app/models/email_token.rb
+++ b/app/models/email_token.rb
@@ -121,6 +121,7 @@ end
 #
 # Indexes
 #
-#  index_email_tokens_on_token    (token) UNIQUE
-#  index_email_tokens_on_user_id  (user_id)
+#  index_email_tokens_on_token       (token) UNIQUE
+#  index_email_tokens_on_token_hash  (token_hash) UNIQUE
+#  index_email_tokens_on_user_id     (user_id)
 #
diff --git a/db/migrate/20211206160211_create_index_on_email_tokens_token_hash.rb b/db/migrate/20211206160211_create_index_on_email_tokens_token_hash.rb
new file mode 100644
index 00000000000..1fdffdddb11
--- /dev/null
+++ b/db/migrate/20211206160211_create_index_on_email_tokens_token_hash.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class CreateIndexOnEmailTokensTokenHash < ActiveRecord::Migration[6.1]
+  def change
+    add_index :email_tokens, :token_hash, unique: true
+  end
+end