Question

我有一个奇怪的Oracle问题，其标识符在同一查询的另一个子查询中工作，并在主选择的FROM部分中定义。 select coalesce(typ...)只返回一行和一个字段。这是查询的工作版本：

SELECT
  v.id AS vid, 
  p.name AS pname, 
  v.name,
  TO_CHAR(a.uploaddate,'YYYY-MM-DD HH24:MI:SS') AS scandate,

  (SELECT COALESCE(sum(issuecount),0) 
   FROM foldercountcache fc, folder f 
   WHERE fc.folder_id = f.id 
    AND fc.projectversion_id = v.id AND f.name like '1 -%'
  ) as crit,

  (SELECT COALESCE(typ,'No Issues') FROM
   (SELECT ROWNUM AS r,cri,typ,n FROM
    (SELECT f.name AS cri,i.issuetype AS typ, count(i.issuetype) as n
     FROM issue i 
     LEFT JOIN folder f ON i.projectversion_id = f.projectversion_id AND i.folder_id = f.id 
     WHERE (i.projectversion_id = 15284846 AND f.name like '1%') 
     GROUP BY f.name,i.issuetype 
     ORDER BY cri, n DESC
    ) 
   ) WHERE r=2
  ) AS top2

FROM projectversion v INNER JOIN project p ON p.id = v.project_id 
 INNER JOIN artifact a ON a.projectversion_id = v.id
WHERE a.uploaddate = 
 (SELECT max(uploaddate) 
  FROM artifact 
  WHERE projectversion_id = v.id AND status = 'PROCESS_COMPLETE'
 )
ORDER BY p.name, v.name, a.uploaddate ;

我需要将号码15284846替换为v.id。但是，这样做，我收到了 ORA-00904 "V"."ID" invalid identifier 来自Oracle的错误。请注意，在v.id

开头的第一个子选项中select COALESCE使用没有问题

这里有什么问题？

ORA-00904无效标识符 - 但存在

0 个答案: