тормозят селекты по вьюхам

[Eugene.Ostroukhov]

Всем привет.

может кто сталкивался: простые запросы к вьюхам адски тормозят.

select 
top 251 "phonecall0".Subject as "subject"
, "phonecall0".StateCode as "statecode"
, "phonecall0".PriorityCode as "prioritycode"
, "phonecall0".ScheduledEnd as "scheduledend"
, "phonecall0".CreatedBy as "createdby"
, "phonecall0".RegardingObjectId as "regardingobjectid"
, "phonecall0".ActivityId as "activityid"
, "phonecall0".CreatedOn as "createdon"
, "phonecall0".ModifiedOn as "modifiedon"
, "phonecall0".New_sringtime as "new_sringtime"
, "phonecall0".OwnerId as "ownerid"
, "phonecall0".New_durationsecs as "new_durationsecs"
, "phonecall0".OverriddenCreatedOn as "overriddencreatedon"
, "phonecall0".CreatedByName as "createdbyname"
, "phonecall0".CreatedByYomiName as "createdbyyominame"
, "phonecall0".RegardingObjectTypeCode as "regardingobjecttypecode"
, "phonecall0".RegardingObjectIdName as "regardingobjectidname"
, "phonecall0".RegardingObjectIdYomiName as "regardingobjectidyominame"
, "phonecall0".OwnerIdType as "owneridtype"
, "phonecall0".OwnerIdName as "owneridname"
, "phonecall0".OwnerIdYomiName as "owneridyominame" 
from
 PhoneCall as "phonecall0" (NOLOCK)  
 join SystemUser as "aa" (NOLOCK)  on ("phonecall0".OwningUser  =  "aa".SystemUserId and 
		(("aa".BusinessUnitId = '571EA980-8733-E011-B92E-001A6433B300'))) 
 join SystemUser as "ad" (NOLOCK)  on ("phonecall0".CreatedBy  =  "ad".SystemUserId and 
		(("ad".BusinessUnitId = '7520170E-0D94-DF11-9328-001A6433B300'))) 
where
 (( "phonecall0".CreatedOn >= '2013-06-30 20:00:00'  and  "phonecall0".CreatedOn < '2013-08-31 20:00:00' )) 
 
 order by "phonecall0".Subject asc

8 минут...

если сделать вьюху phonecall1 с изменением всего 1 поля:

CASE WHEN XXowner.OwnerIdType = 8 THEN XXowner.OwnerId ELSE NULL END AS OwningUser,

поменять на

XXowner.OwnerId AS OwningUser,

отрабатывает мгновенно.

CRM 2011 + RU 14

есть идеи, что можно сделать?