dtm-py-all/sql检查数据连续.txt

WITH RECURSIVE seq AS (
  SELECT 
    SN,
    MIN(itemCurrentCycles) AS current_cycle,
    MAX(itemCurrentCycles) AS max_cycle
  FROM TestReq
  WHERE SN = '543009862'  -- 加入 SN 条件
    AND startTime > '2025-02-18 18:00:00'  -- 加入 startTime 条件
  GROUP BY SN
  
  UNION ALL
  
  SELECT 
    SN,
    current_cycle + 1,
    max_cycle
  FROM seq
  WHERE current_cycle < max_cycle
)

SELECT 
  s.SN,
  s.current_cycle AS missing_cycle
FROM seq s
LEFT JOIN TestReq t 
  ON s.SN = t.SN 
  AND s.current_cycle = t.itemCurrentCycles
  AND t.startTime > '2025-02-18 18:00:00'  -- 在 JOIN 中加入 startTime 条件
WHERE t.itemCurrentCycles IS NULL
  AND s.SN = '543009862';  -- 在最终结果中过滤 SN

获取指定SN的各个字段的最小值和最大值
SELECT 
  MIN(stationDropCycles) as min_stationDropCycles,
  MAX(stationDropCycles) as max_stationDropCycles,
  MIN(itemCurrentCycles) as min_itemCurrentCycles,
  MAX(itemCurrentCycles) as max_itemCurrentCycles,
  MIN(dropCycles) as min_dropCycles,
  MAX(dropCycles) as max_dropCycles
FROM TestReq 
WHERE SN = '指定SN值';


获取指定SN在特定时间范围内的各个字段的最小值和最大值
SELECT 
  MIN(stationDropCycles) as min_stationDropCycles,
  MAX(stationDropCycles) as max_stationDropCycles,
  MIN(itemCurrentCycles) as min_itemCurrentCycles,
  MAX(itemCurrentCycles) as max_itemCurrentCycles,
  MIN(dropCycles) as min_dropCycles,
  MAX(dropCycles) as max_dropCycles
FROM TestReq 
WHERE SN = '指定SN值'
  AND startTime >= '2025-02-26 19:29:45' 
  AND endTime <= '2025-02-26 19:29:47';



检查 itemCurrentCycles  stationDropCycles  dropCycles  字段的连续性并找出缺失值
WITH RECURSIVE params AS (
    SELECT 
        '202401032245180707' AS target_sn,
        '2025-02-26 19:29:45' AS range_start,
        '2026-02-26 19:29:47' AS range_end,
        'itemCurrentCycles' AS cycle_field_name  -- 可选的字段名：dropCycles, itemCurrentCycles, stationDropCycles
),
min_max AS (
    SELECT 
        MIN(
            CASE params.cycle_field_name
                WHEN 'dropCycles' THEN TestReq.dropCycles
                WHEN 'itemCurrentCycles' THEN TestReq.itemCurrentCycles
                WHEN 'stationDropCycles' THEN TestReq.stationDropCycles
                ELSE NULL
            END
        ) AS min_cycle,
        MAX(
            CASE params.cycle_field_name
                WHEN 'dropCycles' THEN TestReq.dropCycles
                WHEN 'itemCurrentCycles' THEN TestReq.itemCurrentCycles
                WHEN 'stationDropCycles' THEN TestReq.stationDropCycles
                ELSE NULL
            END
        ) AS max_cycle
    FROM TestReq, params
    WHERE SN = params.target_sn
      AND startTime >= params.range_start
      AND endTime <= params.range_end
),
numbers(n) AS (
    SELECT min_cycle FROM min_max
    UNION ALL
    SELECT n + 1 FROM numbers, min_max
    WHERE n < min_max.max_cycle
)
SELECT 
    n AS missing_value,
    (SELECT min_cycle FROM min_max) AS min_cycle,
    (SELECT max_cycle FROM min_max) AS max_cycle,
    (SELECT cycle_field_name FROM params) AS field_name
FROM numbers
WHERE n NOT IN (
    SELECT 
        CASE params.cycle_field_name
            WHEN 'dropCycles' THEN TestReq.dropCycles
            WHEN 'itemCurrentCycles' THEN TestReq.itemCurrentCycles
            WHEN 'stationDropCycles' THEN TestReq.stationDropCycles
            ELSE NULL
        END
    FROM TestReq, params
    WHERE SN = params.target_sn
      AND startTime >= params.range_start
      AND endTime <= params.range_end
)
ORDER BY n;




)
ORDER BY n;