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-rw-r--r--db/migrate/20190607190856_add_index_to_users_public_emails.rb23
-rw-r--r--db/schema.rb1
2 files changed, 24 insertions, 0 deletions
diff --git a/db/migrate/20190607190856_add_index_to_users_public_emails.rb b/db/migrate/20190607190856_add_index_to_users_public_emails.rb
new file mode 100644
index 00000000000..81ec38b8b32
--- /dev/null
+++ b/db/migrate/20190607190856_add_index_to_users_public_emails.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddIndexToUsersPublicEmails < ActiveRecord::Migration[5.1]
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def up
+ add_concurrent_index :users, [:public_email],
+ where: "public_email != ''"
+ end
+
+ def down
+ remove_concurrent_index :users, [:public_email],
+ where: "public_email != ''"
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7a9274e1e77..4ed7c0cb248 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -2389,6 +2389,7 @@ ActiveRecord::Schema.define(version: 20190611161641) do
t.index ["incoming_email_token"], name: "index_users_on_incoming_email_token", using: :btree
t.index ["name"], name: "index_users_on_name", using: :btree
t.index ["name"], name: "index_users_on_name_trigram", using: :gin, opclasses: {"name"=>"gin_trgm_ops"}
+ t.index ["public_email"], name: "index_users_on_public_email", where: "((public_email)::text <> ''::text)", using: :btree
t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
t.index ["state"], name: "index_users_on_state", using: :btree
t.index ["username"], name: "index_users_on_username", using: :btree