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Sql Server 2005, Primary Key on Temp. table

Posted on 2008-10-02
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Last Modified: 2012-05-05
I get an error "There is already an object named 'PK_#temp' in the database". because i have created a primary key on temp. table in a stored proc and 2 or multiple users run it at the same time i get above error message. If only one user would run the SP then there is no problem.
Challenge is how to fix this.
Question, can't there be Primary key on the temp table. If so can Sql server 2005 manage if i dont use primary key name or how does it work. Let me know. See the below code from the SP.


--this temp table created on the fly in the SP. 2 users run the SP 

--sametime is causing it to fail or should i do check if table(&PK) 

--exists at first place and then create table.. Let me know.

Create table #tempMain

(

SrOfferID Int NOT NULL CONSTRAINT [DF_#tempMain_SrOfferID]  DEFAULT (0), 

SrOfferScheduleID  Int NOT NULL CONSTRAINT [DF_#tempMain_SrOfferScheduleID]  DEFAULT (0), 

FacultyID Int NOT NULL CONSTRAINT [DF_#tempMain_FacultyID]  DEFAULT (0), 

StartDate  Datetime,

EndDate  Datetime,

OfferDays char(10),

ShowDay  char(3000),

ShowMonth char(3000)

CONSTRAINT [PK_#tempMain] PRIMARY KEY CLUSTERED 

(

[SrOfferID] ASC,

[SrOfferScheduleID] ASC,

[FacultyID] ASC

) ON [PRIMARY]

) ON [PRIMARY]

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Question by:onebite2
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4 Comments
 

Author Comment

by:onebite2
ID: 22624462
Forgot to tell this.. I already do the checking before creating temp table..
--Drop #temp table if exists
 

IF  EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[PK_#tempMain]') AND type = 'PK')

	Begin

	ALTER TABLE [dbo].[#tempMain] DROP CONSTRAINT [PK_#tempMain]

	End 
 

If exists (select  * from tempdb.dbo.sysobjects o where o.xtype in ('U')  and o.id = object_id(N'tempdb..#tempMain'))

	Begin

	Drop table #tempMain	

	End 

--After this i create the table as in above code snippet

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Accepted Solution

by:
chapmandew earned 500 total points
ID: 22624501
you shouldn't need to drop the constraint first...try this:

if object_id('tempdb..#tempMain') is not null
drop table #tempmain

create table...
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Author Comment

by:onebite2
ID: 22624709
That works chapmandew, so that means when i drop a temp table. Primary Key constraint on the temp table will be dropped automatically??? or explain me what's my mistake.
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Expert Comment

by:chapmandew
ID: 22624735
yep, when you drop a table, the constraints are dropped w/ it.
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