以下查询在它之外工作得很好,它仍然返回空值NULL
而不是0
. 具体来说,这是对指定日期范围内某事发生的次数的总和。如果参数中不存在该值(即NULL
,),那么为了便于阅读,我希望它返回一个 0(该表是多个临时表的连接,仅包含整数。)我已经研究并发现这种情况“如何从 SQL 函数获取单个值时将 NULL 更改为 0? ”并尝试了那里的所有建议,包括COALESCE
.
(SELECT tn.teamtext, tn.teamid, ISNULL(sum(ISNULL(case when CONVERT(smalldatetime,ca.dModLast,101) BETWEEN '2012-03-01' AND '2012-03-10' then 1 else 0 end, 0)), 0) AS cnt3
FROM teamnames AS tn
LEFT OUTER JOIN caseaudit AS ca
ON tn.teamID = ca.referteamID2
WHERE ca.referteamid1 <> ca.referteamid2 AND ca.isactive = 1 AND ca.groupid = 18 AND ca.accountid = 2 AND ca.referteamid1 = 31 AND ca.auditnote <> 'Suspend Case'
GROUP BY tn.teamtext, tn.teamid) AS c
为了了解我正在查看的返回表,这里是:
4H BOSS 55 59 3
4H BSG 0 3 2
4H SALES AND MKTG 0 0 0
ACCOUNTS RECEIVABLE 0 0 0
ASSET MANAGEMENT 9 16 0
AUDIT 0 0 NULL
BOSS 4 5 0
CORPORATE BSG 0 7 5
CUSTOMER SUPPORT 87 133 NULL
NETWORK ENGINEERING 11 15 0
PRODUCTION ENGINEERING 116 142 5
PRODUCTION OPERATIONS 0 1 0
SECURITY 2 6 3
SNFAL PRODUCT TEAM 0 14 11
VOICE SERVICES 18 21 0
XEROX 4 8 0