35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
WITH counts AS (
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-- CTE 1: Calculates the raw counts for the three remaining jam types
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SELECT
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-- New metric: Merge_MCM01
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CAST(COALESCE(SUM(Merge_MCM01 = 1), 0) AS SIGNED) AS Merge_MCM01,
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-- New metric: Transport_MCM01
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CAST(COALESCE(SUM(Transport_MCM01 = 1), 0) AS SIGNED) AS Transport_MCM01,
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-- Kept metric: Sorter_MCM02
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CAST(COALESCE(SUM(Sorter_MCM02 = 1), 0) AS SIGNED) AS Sorter_MCM02
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FROM jam_area
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WHERE t_stamp BETWEEN :starttime AND :endtime
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),
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total AS (
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-- CTE 2: Calculates the sum of all three counts
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SELECT (Merge_MCM01 + Transport_MCM01 + Sorter_MCM02) AS Jam_Total
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FROM counts
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),
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labels AS (
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-- CTE 3: Defines the rows for the pivot based on the new metrics
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SELECT 'Merge_MCM01' AS Area UNION ALL
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SELECT 'Transport_MCM01' UNION ALL
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SELECT 'Sorter_MCM02'
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)
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SELECT
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l.Area,
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-- Only return Merge_MCM01 count when l.Area matches
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CASE WHEN l.Area = 'Merge_MCM01' THEN c.Merge_MCM01 END AS Merge_MCM01,
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-- Only return Transport_MCM01 count when l.Area matches
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CASE WHEN l.Area = 'Transport_MCM01' THEN c.Transport_MCM01 END AS Transport_MCM01,
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-- Only return Sorter_MCM02 count when l.Area matches
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CASE WHEN l.Area = 'Sorter_MCM02' THEN c.Sorter_MCM02 END AS Sorter_MCM02,
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t.Jam_Total AS `Total`
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FROM labels l
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CROSS JOIN counts c
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CROSS JOIN total t; |