问题描述
我正在使用以下查询:
select country_name from (SELECT country_name,rank() OVER (ORDER BY TOTAL_pop desc)
as rk FROM (SELECT country_name,sum(col8) as TOTAL_pop FROM world_bank_data_partitioned GROUP BY country_name)
) SUM_EMP where rk = 2;
并收到以下错误:
Error while compiling statement: Failed: ParseException line 1:197 cannot recognize input near ')' 'SUM_EMP' 'where' in subquery source
请帮助我。
解决方法
您可以使用以下 SQL。您需要为每个子查询设置别名。我将子查询命名为 rs
。
select country_name from
(SELECT country_name,rank() OVER (ORDER BY TOTAL_pop desc) as rk FROM
(SELECT country_name,sum(col8) as TOTAL_pop FROM world_bank_data_partitioned GROUP BY country_name) rs
) SUM_EMP where rk = 2;