Index project_group_links.group_id

This column is used when refreshing authorizations and without the
index leads to a sequence scan being performed on this table.
parent 53250d6d
# See
# for more information on how to write migrations for GitLab.
class AddIndexProjectGroupLinksGroupId < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
def up
add_concurrent_index :project_group_links, :group_id
def down
remove_concurrent_index :project_group_links, :group_id
......@@ -925,6 +925,8 @@ ActiveRecord::Schema.define(version: 20170508190732) do "expires_at"
add_index "project_group_links", ["group_id"], name: "index_project_group_links_on_group_id", using: :btree
create_table "project_import_data", force: :cascade do |t|
t.integer "project_id"
t.text "data"
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