您可以这样做:
SELECt t1.*FROM ( SELECt * FROM my_table ORDER BY value DESC LIMIT 1 OFFSET N -- Set your value for N here, N being 0-based) t1RIGHT OUTER JOIN ( SELECT null -- This will guarantee that you have at least one row) t2ON TRUE

您可以这样做:
SELECt t1.*FROM ( SELECt * FROM my_table ORDER BY value DESC LIMIT 1 OFFSET N -- Set your value for N here, N being 0-based) t1RIGHT OUTER JOIN ( SELECT null -- This will guarantee that you have at least one row) t2ON TRUE