Teradata DATEDIFF错误 [英] Teradata DATEDIFF Error
本文介绍了Teradata DATEDIFF错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
您好,我在DATEDIFF和(
以下语句中的
Hi i am getting an error as expected something like END keyword between DATEDIFF and ( for the below statement under
select
case when CC.CASE_STS_CD in ( 'Closed', 'Auto Closed') then
DATEDIFF(second,CC.REC_DTTM_PST,CC.CRT_DTTM_PST) end as CASE_RES_DUR_IN_SECS,
推荐答案
没有 DATEDIFF
函数
这是我几年前编写的通用SQL UDF,用于计算两个时间戳的秒数之差:
This is a generic SQL UDF I wrote a few years ago for calculating the difference of two timestamps in seconds:
REPLACE FUNCTION TimeStamp_Diff_Seconds
(
ts1 TIMESTAMP(6)
,ts2 TIMESTAMP(6)
)
RETURNS DECIMAL(18,6)
LANGUAGE SQL
CONTAINS SQL
RETURNS NULL ON NULL INPUT
DETERMINISTIC
SQL SECURITY DEFINER
COLLATION INVOKER
INLINE TYPE 1
RETURN
(CAST((CAST(ts2 AS DATE)- CAST(ts1 AS DATE)) AS DECIMAL(18,6)) * 60*60*24)
+ ((EXTRACT( HOUR FROM ts2) - EXTRACT( HOUR FROM ts1)) * 60*60)
+ ((EXTRACT(MINUTE FROM ts2) - EXTRACT(MINUTE FROM ts1)) * 60)
+ (EXTRACT(SECOND FROM ts2) - EXTRACT(SECOND FROM ts1))
;
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