gitlab-org--gitlab-foss/db/migrate/20170317203554_index_routes...

29 lines
823 B
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class IndexRoutesPathForLike < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
INDEX_NAME = 'index_routes_on_path_text_pattern_ops'
disable_ddl_transaction!
def up
return unless Gitlab::Database.postgresql?
unless index_exists?(:routes, :path, name: INDEX_NAME)
execute("CREATE INDEX CONCURRENTLY #{INDEX_NAME} ON routes (path varchar_pattern_ops);")
end
end
def down
return unless Gitlab::Database.postgresql?
return unless index_exists?(:routes, :path, name: INDEX_NAME)
remove_concurrent_index_by_name(:routes, INDEX_NAME)
end
end