如果在Athena/S3清单查询中返回了重复行,可以尝试以下解决方法:
SELECT DISTINCT column1, column2, ...
FROM table_name;
SELECT column1, column2, ...
FROM table_name
GROUP BY column1, column2, ...;
WITH CTE AS (
SELECT column1, column2, ..., ROW_NUMBER() OVER (PARTITION BY column1, column2, ... ORDER BY column1) AS row_num
FROM table_name
)
SELECT column1, column2, ...
FROM CTE
WHERE row_num = 1;
WITH CTE AS (
SELECT column1, column2, ...
FROM table_name
)
SELECT DISTINCT column1, column2, ...
FROM CTE;
以上是一些常见的解决方法,根据具体情况选择适合的方法来处理Athena/S3清单查询返回的重复行。