你有一行包含很多子选择
我很想将这些重新编码为子选择,然后将它们连接成一行(或者只返回多行并在显示代码中进行格式化)。
但是,要将其中一个子选择分成几个小时,您可以使用类似这样的东西(未经测试):-
SELECT StartHour, COUNT(*)
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN Sub2.StartHour AND DATE_ADD(Sub2.StartHour, INTERVAL 3599 SECOND)
WHERE created_timestamp BETWEEN @DayStart AND @DayEnd
AND container_type_id = '3'
GROUP BY StartHour
这会通过添加到开始日期来提供一系列小时时间段,然后使用它对您的数据进行左连接(添加 3599 秒以获得小时时间段的结束),并进行分组计数,执行GROUP BY 在开始时间。
编辑
未经测试,但这是一种方法:-
SELECT StartHour,
EndHour,
COUNT(DISTINCT a.id) AS Product1,
COUNT(DISTINCT b.id) AS 'Product 1 EOL 1',
COUNT(DISTINCT c.id) AS 'Product 1 EOL 2',
COUNT(DISTINCT d.id) AS 'Product 2',
COUNT(DISTINCT e.id) AS 'Product 3',
COUNT(DISTINCT f.id) AS 'Product 3 EOL 1',
COUNT(DISTINCT g.id) AS 'Product 3 EOL 2',
COUNT(DISTINCT h.id) AS 'Product 4',
COUNT(DISTINCT i.id) AS 'Product 4 EOL 1',
COUNT(DISTINCT j.id) AS 'Product 4 EOL 2'
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container a
ON a.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND a.container_type_id = '3'
LEFT OUTER JOIN t_container b
ON b.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND b.container_type_id = '10'
AND b.status_id = '4'
LEFT OUTER JOIN t_container c
ON c.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND c.container_type_id = '10'
AND c.status_id = '6'
LEFT OUTER JOIN t_container d
ON d.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND d.container_type_id = '2'
LEFT OUTER JOIN t_container e
ON e.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND e.container_type_id = '6'
LEFT OUTER JOIN t_container f
ON f.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND f.container_type_id = '9'
AND f.status_id = '4'
LEFT OUTER JOIN t_container g
ON g.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND g.container_type_id = '9'
AND g.status_id = '6'
LEFT OUTER JOIN t_container h
ON h.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND h.container_type_id = '4'
LEFT OUTER JOIN t_container i
ON i.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND i.container_type_id = '8'
AND i.status_id = '4'
LEFT OUTER JOIN t_container j
ON j.created_timestamp BETWEEN Sub2.StartHour AND Sub2.EndHour
AND j.container_type_id = '8'
AND j.status_id = '6'
GROUP BY StartHour, EndHour
这是做 1 个子选择来获取所有小时的时间段,然后将表格重新加入以获取计数。但是,使用这么多 COUNT(DISTINCT )) 类型的语句可能效果不佳。
可能可以进行连接以获取每个子选择中的小时范围,然后再连接回来,这可能会更好。
请注意,我已经为以前有 2 个由 / 分割的值的列带回了 2 列。
可能稍微好一点(但也可能稍微差一点):-
SELECT Product1.rec_cnt AS Product1,
CONCAT(Product1EOL1.rec_cnt, ' / ', Product1EOL2.rec_cnt) AS 'Product 1 EOL',
Product2.rec_cnt AS 'Product 2',
Product3.rec_cnt AS 'Product 3',
CONCAT(Product3EOL1.rec_cnt, ' / ', Product3EOL2.rec_cnt) AS 'Product 3 EOL',
Product4.rec_cnt AS 'Product 4',
CONCAT(Product4EOL1.rec_cnt, ' / ', Product4EOL2.rec_cnt) AS 'Product 4 EOL'
FROM
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '3'
GROUP BY StartHour, EndHour
) AS Product1
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '10'
AND status_id = '4'
GROUP BY StartHour, EndHour
) AS Product1EOL1
ON Product1.StartHour = Product1EOL1.StartHour AND Product1.EndHour = Product1EOL1.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '10'
AND status_id = '6'
GROUP BY StartHour, EndHour
) AS Product1EOL2
ON Product1.StartHour = Product1EOL2.StartHour AND Product1.EndHour = Product1EOL2.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '2'
GROUP BY StartHour, EndHour
) AS Product2
ON Product1.StartHour = Product2.StartHour AND Product1.EndHour = Product2.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '6'
GROUP BY StartHour, EndHour
) AS Product3
ON Product1.StartHour = Product3.StartHour AND Product1.EndHour = Product3.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '9'
AND status_id = '4'
GROUP BY StartHour, EndHour
) AS Product3EOL1
ON Product1.StartHour = Product3EOL1.StartHour AND Product1.EndHour = Product3EOL1.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '9'
AND status_id = '6'
GROUP BY StartHour, EndHour
) AS Product3EOL2
ON Product1.StartHour = Product3EOL2.StartHour AND Product1.EndHour = Product3EOL2.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '4'
GROUP BY StartHour, EndHour
) AS Product4
ON Product4.StartHour = Product3.StartHour AND Product4.EndHour = Product3.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '8'
AND status_id = '4'
GROUP BY StartHour, EndHour
) AS Product4EOL1
ON Product1.StartHour = Product4EOL1.StartHour AND Product1.EndHour = Product4EOL1.EndHour
INNER JOIN
(
SELECT StartHour, EndHour, COUNT(t_container.id) AS rec_cnt
FROM
(
SELECT DATE_ADD(@DayStart, INTERVAL i HOUR) AS StartHour, DATE_ADD(DATE_ADD(@DayStart, INTERVAL i HOUR), INTERVAL 3599 SECOND) AS EndHour
FROM
(
SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9
) Sub1
) Sub2
LEFT OUTER JOIN t_container
ON created_timestamp BETWEEN StartHour AND EndHour
AND container_type_id = '8'
AND status_id = '6'
GROUP BY StartHour, EndHour
) AS Product4EOL2
ON Product1.StartHour = Product4EOL2.StartHour AND Product1.EndHour = Product4EOL2.EndHour