gitlab-org--gitlab-foss/db/migrate/20170827123848_add_index_on...

18 lines
435 B
Ruby

# rubocop:disable RemoveIndex
class AddIndexOnMergeRequestDiffCommitSha < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :merge_request_diff_commits, :sha, length: mysql_compatible_index_length
end
def down
remove_index :merge_request_diff_commits, :sha if index_exists? :merge_request_diff_commits, :sha
end
end