rows = &Rows{
				dc:    dc,
				rowsi: rowsi,
				// releaseConn set below
			}
			// addDep must be added before initContextClose or it could attempt
			// to removeDep before it has been added.
			s.db.addDep(s, rows)

			// releaseConn must be set before initContextClose or it could
			// release the connection before it is set.
			rows.releaseConn = func(err error) {
				releaseConn(err)