diff options
Diffstat (limited to 'db/post_migrate/20200716234518_add_uniqueness_index_to_label_title_and_group.rb')
-rw-r--r-- | db/post_migrate/20200716234518_add_uniqueness_index_to_label_title_and_group.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/db/post_migrate/20200716234518_add_uniqueness_index_to_label_title_and_group.rb b/db/post_migrate/20200716234518_add_uniqueness_index_to_label_title_and_group.rb new file mode 100644 index 00000000000..08bab811c00 --- /dev/null +++ b/db/post_migrate/20200716234518_add_uniqueness_index_to_label_title_and_group.rb @@ -0,0 +1,21 @@ +# frozen_string_literal: true + +class AddUniquenessIndexToLabelTitleAndGroup < ActiveRecord::Migration[6.0] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + disable_ddl_transaction! + + GROUP_AND_TITLE = [:group_id, :title] + + def up + add_concurrent_index :labels, GROUP_AND_TITLE, where: "labels.project_id IS NULL", unique: true, name: "index_labels_on_group_id_and_title_unique" + remove_concurrent_index :labels, GROUP_AND_TITLE, name: "index_labels_on_group_id_and_title" + end + + def down + add_concurrent_index :labels, GROUP_AND_TITLE, where: "labels.project_id IS NULL", unique: false, name: "index_labels_on_group_id_and_title" + remove_concurrent_index :labels, GROUP_AND_TITLE, name: "index_labels_on_group_id_and_title_unique" + end +end |