27 lines
1.2 KiB
SQL
27 lines
1.2 KiB
SQL
SELECT
|
|
CONCAT(DATE(dumper_cycles.t_stamp), ' ', HOUR(dumper_cycles.t_stamp), ':00') AS StartTimestamp,
|
|
CONCAT('H', TIMESTAMPDIFF(HOUR, DATE_FORMAT(dumper_cycles.t_stamp, "%Y-%m-%d %H:00:00"), DATE_FORMAT(NOW(), "%Y-%m-%d %H:00:00"))) AS Hour,
|
|
CONCAT(ROUND(COALESCE(SUM(dumper_cycles.ulc1 = 1), 0)/COUNT(*) * 100*2, 2),'%') AS ULC1,
|
|
CONCAT(ROUND(COALESCE(SUM(dumper_cycles.ulc2 = 1), 0)/COUNT(*) * 100*2, 2),'%') AS ULC2,
|
|
CONCAT(ROUND(COALESCE(SUM(dumper_cycles.ulc3 = 1), 0)/COUNT(*) * 100*2, 2),'%') AS ULC3,
|
|
CONCAT(ROUND(COALESCE(SUM(dumper_cycles.ulc4 = 1), 0)/COUNT(*) * 100*2, 2),'%') AS ULC4
|
|
|
|
FROM dumper_cycles
|
|
WHERE (dumper_cycles.t_stamp BETWEEN :starttime AND :endtime)
|
|
GROUP BY HOUR(dumper_cycles.t_stamp)
|
|
|
|
UNION ALL
|
|
|
|
-- Default row with zeros when no dumper cycles exist
|
|
SELECT
|
|
CONCAT(DATE(:starttime), ' ', HOUR(:starttime), ':00') AS StartTimestamp,
|
|
CONCAT('H', TIMESTAMPDIFF(HOUR, DATE_FORMAT(:starttime, "%Y-%m-%d %H:00:00"), DATE_FORMAT(NOW(), "%Y-%m-%d %H:00:00"))) AS Hour,
|
|
'0%' AS ULC1,
|
|
'0%' AS ULC2,
|
|
'0%' AS ULC3,
|
|
'0%' AS ULC4
|
|
|
|
WHERE NOT EXISTS (
|
|
SELECT 1 FROM dumper_cycles
|
|
WHERE dumper_cycles.t_stamp BETWEEN :starttime AND :endtime
|
|
); |