1

At the bottom of the post you can find a simplify query of what I am trying to do

我正在尝试创建一个查询来显示我们TRAC系统中所有用户的生产力。我需要知道他们输入的所有评论(每张票每周唯一)、触碰的票数、关闭的票数和修订数(接下来我还要添加此类修订中的文件数检查节点)。我创建了一个几乎可以满足我需要的查询,只要该人在那周至少触摸了一张票。我有用户在没有参考票证的情况下提交修订(错误,我知道,但我也需要抓住它们)并且我尝试添加RIGHT JOINand anUNION来模拟OUTER JOIN MySQL 不支持的,而不是我收到此错误:

1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 't LEFT JOIN ( SELECT CONCAT( ' at line 65

如果我注释掉它的两个部分之一,UNION它就可以工作。

我已经尝试为表格提供不同的别名

SELECT
   t.`author` __group__,
   t.`month-week`,
   t.changes,
   t.tickets,
   t.closed,
   r.`revisions`
FROM
(
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
   ) `t`
   LEFT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
   ) `r` ON `t`.`month-week` = `r`.`month-week` AND `t`.`author` = `r`.`author`
)
UNION
(
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
   ) `t`
   LEFT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
   ) `r` ON `t`.`month-week` = `r`.`month-week` AND `t`.`author` = `r`.`author`
)

WHERE r.revisions > 0 OR t.closed > 0
ORDER BY
   t.`author`,
   t.`month-week`

MySQL 服务器/客户端版本:5.0.33

--

SELECT
   t.fields,
   r.fields
FROM
(
   (
      SELECT    tc.fields
      FROM      tc
      WHERE     tc.field > NOW() - INTERVAL 2 MONTH
      GROUP BY  tc.field
   ) t
   LEFT JOIN
   (
      SELECT    rev.fields
      FROM      rev
      WHERE     rev.field > NOW() - INTERVAL 2 MONTH
      GROUP BY  rev.field
   ) r ON t.field = rev.field
)
UNION
(
   (
      SELECT    tc.fields
      FROM      tc
      WHERE     tc.field > NOW() - INTERVAL 2 MONTH
      GROUP BY  tc.field
   ) t
   RIGHT JOIN
   (
      SELECT    rev.fields
      FROM      rev
      WHERE     rev.field > NOW() - INTERVAL 2 MONTH
      GROUP BY  rev.field
   ) r ON t.field = rev.field
)
WHERE t.field > 0 OR r.field > 0
ORDER BY t.field

希望能帮助到你


感谢您pst的帮助,我忘记SELECT * FROM在表格周围添加UNION

这是任何想要使用跟踪用户生产力的人的工作查询TRAC

SELECT
   `author` __group__,
   `month-week`,
   changes,
   tickets,
   closed,
   `revisions`
FROM
(
(
   SELECT
      t.`author`,
      t.`month-week`,
      t.changes,
      t.tickets,
      t.closed,
      r.`revisions`
   FROM
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
      ORDER BY NULL
   ) `t`
   LEFT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
      ORDER BY NULL
   ) `r` ON t.`month-week` = r.`month-week` AND t.`author` = r.`author`
) 
UNION
(
   SELECT
      t.`author`,
      t.`month-week`,
      t.changes,
      t.tickets,
      t.closed,
      r.`revisions`
   FROM
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time`> UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
      ORDER BY NULL
   ) `t`
   RIGHT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time`> UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
      ORDER BY NULL
   ) `r` ON t.`month-week` = r.`month-week` AND t.`author` = r.`author`
) 
) mtb
WHERE revisions > 0 OR closed > 0
ORDER BY
   `author`,
   `month-week`
4

1 回答 1

0

答案就在问题本身中,但在这里以防其他人需要它:

SELECT
   `author` __group__,
   `month-week`,
   changes,
   tickets,
   closed,
   `revisions`
FROM
(
(
   SELECT
      t.`author`,
      t.`month-week`,
      t.changes,
      t.tickets,
      t.closed,
      r.`revisions`
   FROM
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
      ORDER BY NULL
   ) `t`
   LEFT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time` > UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
      ORDER BY NULL
   ) `r` ON t.`month-week` = r.`month-week` AND t.`author` = r.`author`
) 
UNION
(
   SELECT
      t.`author`,
      t.`month-week`,
      t.changes,
      t.tickets,
      t.closed,
      r.`revisions`
   FROM
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(tc.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(tc.`time`/1000000))
         ) `month-week`,
         COUNT(IF(tc.`field` = "comment",tc.ticket,NULL)) `changes`,
         COUNT(DISTINCT tc.`ticket`) `tickets`,
         COUNT(DISTINCT IF(tc.`field` = "status" AND tc.`newvalue` = "closed",tc.`ticket`,NULL)) `closed`,
         tc.`author`
      FROM `ticket_change` tc
      WHERE
         tc.`time`> UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         tc.`author`,
         YEARWEEK(FROM_UNIXTIME(tc.`time`/1000000))
      ORDER BY NULL
   ) `t`
   RIGHT JOIN
   (
      SELECT
         CONCAT(
            MONTH(FROM_UNIXTIME(r.`time`/1000000)),
            '-',
            WEEK(FROM_UNIXTIME(r.`time`/1000000))
         ) `month-week`,
         COUNT(DISTINCT r.`rev`) `revisions`,
         r.`author`
      FROM `revision` r
      WHERE
         r.`time`> UNIX_TIMESTAMP(NOW()-INTERVAL 2 MONTH)*1000000
      GROUP BY
         r.`author`,
         YEARWEEK(FROM_UNIXTIME(r.`time`/1000000))
      ORDER BY NULL
   ) `r` ON t.`month-week` = r.`month-week` AND t.`author` = r.`author`
) 
) mtb
WHERE revisions > 0 OR closed > 0
ORDER BY
   `author`,
   `month-week`
于 2012-07-08T22:03:09.850 回答