diff options
Diffstat (limited to 'db/migrate/20191026120112_add_promoted_to_epic_to_issues_index.rb')
| -rw-r--r-- | db/migrate/20191026120112_add_promoted_to_epic_to_issues_index.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/db/migrate/20191026120112_add_promoted_to_epic_to_issues_index.rb b/db/migrate/20191026120112_add_promoted_to_epic_to_issues_index.rb new file mode 100644 index 00000000000..649c2f7abe5 --- /dev/null +++ b/db/migrate/20191026120112_add_promoted_to_epic_to_issues_index.rb @@ -0,0 +1,22 @@ +# 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 AddPromotedToEpicToIssuesIndex < ActiveRecord::Migration[5.2] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + disable_ddl_transaction! + + def up + add_concurrent_foreign_key :issues, :epics, column: :promoted_to_epic_id, on_delete: :nullify + add_concurrent_index :issues, :promoted_to_epic_id, where: 'promoted_to_epic_id IS NOT NULL' + end + + def down + remove_concurrent_index(:issues, :promoted_to_epic_id) + remove_foreign_key :issues, column: :promoted_to_epic_id + end +end |