首页 > 解决方案 > 避免使用无效格式化时间 SQL 的用户

问题描述

这是我的简单查询

SELECT
playerId,
max(accountlevel) as level,
max(appActiveTime) as overall_time,
max(matchcount) as matchcount
FROM client
WHERE partition_0 = '2019' 
AND partition_1 = '03'
AND install_date BETWEEN date('2019-03-01')  AND date('2019-03-20')
AND date BETWEEN date('2019-03-01')  AND date('2019-03-31')
AND accountagedays = 0
GROUP BY playerId

雅典娜归还我

INVALID_FUNCTION_ARGUMENT: Invalid format: "2019-0+-28T23:43:57.4142360Z" is malformed at "+-28T23:43:57.4142360Z"

我想知道如何避免这个消息?

标签: sqlamazon-athenapresto

解决方案


它适用于 SQL Server:我建议使用 ISDATE 函数来验证输入然后转换它,如果它是正确的日期格式,那么它应该转换并检查给定日期之间的时间。您可以使用字符串来验证日期。下面的代码只是为了让您了解如何进行相应的检查和转换。如果您提供带有数据和列类型的临时表,则可以获得实际结果。

declare  @install_date datetime= '2019-03-01'
select CAST(IIF(ISDATE(@install_date) = 1,@install_date,'1900-01-01') as Date)
go
declare  @install_date varchar(10)= '2019-23-01'
select CAST(IIF(ISDATE(@install_date) = 1,@install_date,'19000101') as Date)
go
declare  @install_date varchar(100)= 'string not a date'
select CAST(IIF(ISDATE(@install_date) = 1,@install_date,'19000101') as Date)

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