More efficient single account retrieval (0.9ms vs 50ms before)

1 files changed, 9 insertions, 0 deletions

diff --git a/db/migrate/20170322021028_add_lowercase_index_to_accounts.rb b/db/migrate/20170322021028_add_lowercase_index_to_accounts.rb
new file mode 100644
index 000000000..43032747a
--- /dev/null
+++ b/db/migrate/20170322021028_add_lowercase_index_to_accounts.rb
@@ -0,0 +1,9 @@
+class AddLowercaseIndexToAccounts < ActiveRecord::Migration[5.0]
+  def up
+    execute 'CREATE INDEX index_accounts_on_username_and_domain_lower ON accounts (lower(username), lower(domain))'
+  end
+
+  def down
+    remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
+  end
+end