AVG(DATEDIFF(MINUTE, '1900-01-01', CONVERT(datetime, ATRE_WORK_TIME))) AS avg_time_1, AVG(DATEDIFF(MINUTE, '1900-01-01', CONVERT(datetime, ATRE_OFF_WORK_TIME))) AS avg_time_12报错Arithmetic overflow error converting expression to data type int. CODE: EREQUEST

这个错误通常是由于 `DATEDIFF` 函数返回的结果超出了 `AVG` 函数所能处理的数据类型的范围，导致数据溢出。一个解决方法是将 `DATEDIFF` 函数返回的结果转换为较大的数据类型，例如 `BIGINT`。你可以尝试修改你的查询语句，将 `DATEDIFF` 函数返回的结果用 `CAST` 函数转换为 `BIGINT` 类型，如下所示：

AVG(CAST(DATEDIFF(MINUTE, '1900-01-01', CONVERT(datetime, ATRE_WORK_TIME)) AS BIGINT)) AS avg_time_1,
AVG(CAST(DATEDIFF(MINUTE, '1900-01-01', CONVERT(datetime, ATRE_OFF_WORK_TIME)) AS BIGINT)) AS avg_time_12

这样可以避免数据溢出错误。

相关问题

select * from ( SELECT P.PATIENT_ID, P.VISIT_ID, PM.NAME, PM.SEX, P.ADMISSION_DATE_TIME, ( SELECT TOP 1 DP.DEPT_NAME FROM DEPT_DICT DP WHERE DP.DEPT_CODE = P.DEPT_ADMISSION_TO ) AS DEPT_ADM, P.DISCHARGE_DATE_TIME, ( SELECT TOP 1 DP.DEPT_NAME FROM DEPT_DICT DP WHERE DP.DEPT_CODE = P.DEPT_DISCHARGE_FROM ) AS DEPT_DIS, DATEDIFF( DAY, P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME ) AS INPAT_DAYS, P.DOCTOR_IN_CHARGE --datediff(day, P.ADMISSION_DATE_TIME,P.DISCHARGE_DATE_TIME) as zyts FROM PAT_VISIT P INNER JOIN PAT_MASTER_INDEX PM ON PM.PATIENT_ID = P.PATIENT_ID WHERE select * from ( SELECT P.PATIENT_ID, P.VISIT_ID, PM.NAME, PM.SEX, P.ADMISSION_DATE_TIME, ( SELECT TOP 1 DP.DEPT_NAME FROM DEPT_DICT DP WHERE DP.DEPT_CODE = P.DEPT_ADMISSION_TO ) AS DEPT_ADM, P.DISCHARGE_DATE_TIME, ( SELECT TOP 1 DP.DEPT_NAME FROM DEPT_DICT DP WHERE DP.DEPT_CODE = P.DEPT_DISCHARGE_FROM ) AS DEPT_DIS, DATEDIFF( DAY, P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME ) AS INPAT_DAYS, P.DOCTOR_IN_CHARGE --datediff(day, P.ADMISSION_DATE_TIME,P.DISCHARGE_DATE_TIME) as zyts FROM PAT_VISIT P INNER JOIN PAT_MASTER_INDEX PM ON PM.PATIENT_ID = P.PATIENT_ID WHERE P.DISCHARGE_DATE_TIME >= '2016-01-01' AND P.DISCHARGE_DATE_TIME < = '2023-07-10' AND DATEDIFF( DAY,P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME ) >= 30 ) t order by inpat_days desc P.DISCHARGE_DATE_TIME >= '2016-01-01' AND P.DISCHARGE_DATE_TIME < = '2023-07-10' AND DATEDIFF( DAY,P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME ) >= 30 ) t order by inpat_days desc 帮我把这段sql优化一下

这段 SQL 查询语句可以进行一些优化，例如使用表别名、避免多次嵌套子查询等。下面是优化后的 SQL 查询语句：

SELECT
    P.PATIENT_ID,
    P.VISIT_ID,
    PM.NAME,
    PM.SEX,
    P.ADMISSION_DATE_TIME,
    DP_ADM.DEPT_NAME AS DEPT_ADM,
    P.DISCHARGE_DATE_TIME,
    DP_DIS.DEPT_NAME AS DEPT_DIS,
    DATEDIFF(DAY, P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME) AS INPAT_DAYS,
    P.DOCTOR_IN_CHARGE 
FROM
    PAT_VISIT P
    INNER JOIN PAT_MASTER_INDEX PM ON PM.PATIENT_ID = P.PATIENT_ID 
    LEFT JOIN DEPT_DICT DP_ADM ON DP_ADM.DEPT_CODE = P.DEPT_ADMISSION_TO
    LEFT JOIN DEPT_DICT DP_DIS ON DP_DIS.DEPT_CODE = P.DEPT_DISCHARGE_FROM
WHERE
    P.DISCHARGE_DATE_TIME >= '2016-01-01'
    AND P.DISCHARGE_DATE_TIME <= '2023-07-10'
    AND DATEDIFF(DAY, P.ADMISSION_DATE_TIME, P.DISCHARGE_DATE_TIME) >= 30
ORDER BY
    INPAT_DAYS DESC;

此优化后的查询使用了表别名，将子查询转换为了左连接，并通过 JOIN 操作将 DEPT_DICT 表连接到主查询中，以减少子查询的数量。同时，将过滤条件放在 WHERE 子句中，使用了统一的日期格式。

请注意，优化 SQL 语句时需要考虑数据库的具体情况和索引的使用，这只是一个基本的优化示例，具体优化策略可能需要根据实际情况进行调整。

检查这段mysql语法错误with tmp as( SELECT DATE_ADD('2018-01-01', INTERVAL ROUND(RAND() * DATEDIFF('2019-12-31', '2018-01-01')) DAY) AS start_date, DATE_ADD('2018-01-01', INTERVAL ROUND(RAND() * DATEDIFF('2019-12-31', '2018-01-01')) DAY) AS end_date) select * from tmp between month(start_date) and month(end_date);

这段MySQL语法存在一些错误。以下是一些建议的修改：

1. `BETWEEN`子句需要指定要比较的列或表达式。
2. 可以在`SELECT`语句中使用`WHERE`子句来过滤结果。`WHERE`子句应该在`BETWEEN`子句之前。

修改后的查询如下所示：

WITH tmp AS (
  SELECT 
    DATE_ADD('2018-01-01', INTERVAL ROUND(RAND() * DATEDIFF('2019-12-31', '2018-01-01')) DAY) AS start_date,
    DATE_ADD('2018-01-01', INTERVAL ROUND(RAND() * DATEDIFF('2019-12-31', '2018-01-01')) DAY) AS end_date
)
SELECT *
FROM tmp
WHERE MONTH(start_date) BETWEEN 1 AND 12 AND MONTH(end_date) BETWEEN 1 AND 12;

这将使用`WITH`子句创建一个名为`tmp`的临时表，该表包含随机日期区间的开始和结束日期。然后，使用`WHERE`子句过滤结果，以仅返回开始和结束日期在1月至12月之间的记录。