If an SQL procedure view is referenced in a FROM clause, incorrect results might occur when the sum of a CALCULATED column is used in a CASE expression. If a table is used in the FROM clause instead of a view, the correct results are returned.

Click the Full Code tab to see code that illustrates the difference in results when a table is queried instead of a view.

Click the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

Product Family	Product	System	SAS Release
			Reported	Fixed*
SAS System	Base SAS	Microsoft Windows 8 Enterprise 32-bit	9.3 TS1M2
		Microsoft Windows 8 Enterprise x64	9.3 TS1M2
		Microsoft® Windows® for x64	9.3 TS1M2
		z/OS 64-bit	9.3 TS1M2
		z/OS	9.3 TS1M2
		Microsoft Windows 8 Pro 32-bit	9.3 TS1M2
		Microsoft Windows 8 Pro x64	9.3 TS1M2
		Microsoft Windows 8.1 Enterprise 32-bit	9.3 TS1M2
		Microsoft Windows 8.1 Enterprise x64	9.3 TS1M2
		Microsoft Windows 8.1 Pro 32-bit	9.3 TS1M2
		Microsoft Windows 8.1 Pro x64	9.3 TS1M2
		Microsoft Windows Server 2003 Datacenter Edition	9.3 TS1M2
		Microsoft Windows Server 2003 Enterprise Edition	9.3 TS1M2
		Microsoft Windows Server 2003 Standard Edition	9.3 TS1M2
		Microsoft Windows Server 2003 for x64	9.3 TS1M2
		Microsoft Windows Server 2008	9.3 TS1M2
		Microsoft Windows Server 2008 R2	9.3 TS1M2
		Microsoft Windows Server 2008 for x64	9.3 TS1M2
		Microsoft Windows Server 2012 Datacenter	9.3 TS1M2
		Microsoft Windows Server 2012 R2 Datacenter	9.3 TS1M2
		Microsoft Windows Server 2012 R2 Std	9.3 TS1M2
		Microsoft Windows Server 2012 Std	9.3 TS1M2
		Microsoft Windows XP Professional	9.3 TS1M2
		Windows 7 Enterprise 32 bit	9.3 TS1M2
		Windows 7 Enterprise x64	9.3 TS1M2
		Windows 7 Home Premium 32 bit	9.3 TS1M2
		Windows 7 Home Premium x64	9.3 TS1M2
		Windows 7 Professional 32 bit	9.3 TS1M2
		Windows 7 Professional x64	9.3 TS1M2
		Windows 7 Ultimate 32 bit	9.3 TS1M2
		Windows 7 Ultimate x64	9.3 TS1M2
		Windows Vista	9.3 TS1M2
		Windows Vista for x64	9.3 TS1M2
		64-bit Enabled AIX	9.3 TS1M2
		64-bit Enabled HP-UX	9.3 TS1M2
		64-bit Enabled Solaris	9.3 TS1M2
		HP-UX IPF	9.3 TS1M2
		Linux	9.3 TS1M2
		Linux for x64	9.3 TS1M2
		Solaris for x64	9.3 TS1M2

* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.

The code below illustrates the difference in results when a table is queried instead of a view.

---

data alfa;
a =1; b =1; c =1;
testvar=100;
run;

proc sql;
create view alfa2 as
select 
             (case when a not in (0,.) then 1 else 0 end) as ctr121_1 length = 8,
             (case when a not in (0,.) then 1 else 0 end) as ctr121_2 length = 8,
             (case when a not in (0,.) then 1 else 0 end) as ctr121_3 length = 8,
			 testvar

from alfa;
quit;

proc sql;
create table wrong as
select ctr121_1, ctr121_2, ctr121_3,
case when ctr121_1 =0 then 0 else 1 end as accumulo_ctr121_1 length = 8, 
case when ctr121_2 =0 then 0 else sum(calculated accumulo_ctr121_1,1) end as accumulo_ctr121_2 length = 8,
case when ctr121_3 =0 then 0 else sum(calculated accumulo_ctr121_2,1) end as accumulo_ctr121_3 length = 8
from alfa2;
quit;

proc sql;
create table correct as
select ctr121_1, ctr121_2, ctr121_3,
case when ctr121_1 =0 then 0 else 1 end as accumulo_ctr121_1 length = 8, 
case when ctr121_2 =0 then 0 else sum(testvar,1) end as accumulo_ctr121_2 length = 8,
case when ctr121_3 =0 then 0 else sum(testvar,1) end as accumulo_ctr121_3 length = 8
from alfa;
quit;
 
proc print data=wrong;
run;

proc print data=correct;
run;

A fix for this issue for Base SAS 9.4_M3 is available at:

https://tshf.sas.com/techsup/download/hotfix/HF2/V01.html#57896

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Type:	Problem Note
Priority:	high

Date Modified:	2016-04-28 13:54:44
Date Created:	2016-03-18 12:52:22