3706语法错误：预期在整数和'）'之间

Question

我正在努力找出问题所在，我的部分代码看起来像这样

(sel no_2, sum(L) from (
                sel no_2, colB, count(distinct(colC))
                from dbA.tblP as p
                    join dbB.tblI as i on p.id = i.id and p.no = i.no
                    join dbB.tblT as t on i.no_2 = t.no_2
                    join dbA.mp_tblA as a on t.no_2 = a.no_2) l 
                    ) as l
group by 1) as l        

Teradata指向其中与group by 1）对齐的行。我应该在“ 1”和“）”之间加上什么？有什么办法解决吗？

Answer 1

似乎您那里有一个额外的) l，这会导致语法错误。试试这个：

SELECT no_2, SUM(L) 
FROM (
  SELECT no_2, colB, COUNT(DISTINCT colC) AS no_colC
  FROM dbA.tblP AS p
  INNER JOIN dbB.tblI AS i ON p.id = i.id AND p.no = i.no
  INNER JOIN dbB.tblT AS t ON i.no_2 = t.no_2
  INNER JOIN dbA.mp_tblA AS a ON t.no_2 = a.no_2
) AS l
GROUP BY 1

除评论外，还有一些可读性建议：

• 使用SELECT代替SEL
• 指定INNER JOIN而不是JOIN
• 如果您打算使用count(distinct(colC))，请给它起一个别名，例如no_colC

此外，您在SUM(L)中引用的“ L”值是什么？除非您在子选择中包括该字段，否则查询将无法原样工作。