Better Way To Rewrite Stored Proc And Not Use Cursor At All
May 26, 2015
I have to modify a stored procedure that is written by someone else.Basically the stored prcoedure uses a cursor to fetch the data from the table and then insert that data in another table. While fetching the code form another table, it also gets some distinct columns from another table Below is my code:
Declare data_cursor cursor for
Select emp_no, emp_name, event_date, Test_no, Code, Test_result
From test_table1
order by emp_no
[code]...
The reason, I have to modify the above stored proc because now because of application changes, I am getting around 50 distinct userID from test_table1 so the above subquery(SELECT @ProcessName = (select distinct userID from test_table1) won't work. How can I loop through the above stored proc so that each @ProcessName can get inserted in table TESTTable2 so in other words
I want to pass each userId one at a time and insert it in table test_table1 and other subsequent tables. I can declare another cursor to accomplish this, but I was wondering if there is any better way to rewrite this stored proc and not use the cursor at all.because of my application changes all these three statements above are throwing the error:
SELECT @ProcessName = (select distinct userID from test_table1)
SELECT @FileProcess = 'EW' + @ProcessName
Select @TestProcess = (Select distinct userID from testTable1) + 'TXT'
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Sep 6, 2000
Hello.
I'm having a perfectly(!) normal stored procedure that returns a Resultset with one row (containing an ID I want).
Not I need that ID in another stored procedure and I can't get it out from the stored procedure.
exec @blabla = MyProc -- works well if I use return
exec MyProc @blabla -- works using OUTPUT keyword
But neither of these examples works with a CURSOR as the @blabla.
Do I need to specificly pass a cursor as a return value, wich would give me bellyache, or can I do something like this:
DECLARE @MyCursor CURSOR
SET @MyCursor = CURSOR FOR exec MyProc
Thanks for any help!
Daniel Ronnqvist, Stockholm
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Feb 19, 2005
Has anyone ever tried to use a cursor as an output variable to a stored proc ?
I have the following stored proc - CREATE PROCEDURE dbo.myStoredProc
@parentId integer,
@outputCursor CURSOR VARYING OUTPUT
AS
BEGIN TRAN T1
DECLARE parent_cursor CURSOR STATIC
FOR
SELECT parentTable.childId, parentTable. parentValue
FROM parentTable
WHERE parentTable.parentId = @parentId
OPEN parent_cursor
SET @outputCursor = parent_cursor
DECLARE @childId int
DECLARE @parentValue varchar(50)
FETCH NEXT FROM parent_cursor INTO @childId, @parentValue
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT childTable.childValue
FROM childTable
WHERE childTable.childId = @childId
FETCH NEXT FROM parent_cursor INTO @childId, @parentValue
END
CLOSE parent_cursor
DEALLOCATE parent_cursor
COMMIT TRAN T1
GOAnd, I found that I had to use a cursor as an output variable because, although the stored proc returns a separate result set for each returned row in the first SQL statement, it did not return the result set for the first SQL statement itself.
My real problem at the moment though is that I can't figure a way to get at this output variable with VB.NET.Dim da as New SqlDataAdapter()
da.SelectCommand = New SqlCommand("myStoredProc", conn)
da.SelectCommand.CommandType = CommandType.StoredProcedure
Dim paramParentId as SqlParameter = da.SelectCommand.Parameters.Add("@parentId", SqlDbType.Int)
paramParentId.Value = 1
Dim paramCursor as SqlParameter = daThread.SelectCommand.Parameters.Add("@outputCursor")
paramCursor.Direction = ParameterDirection.OutputThere is no SqlDataType for cursor. I tried without specifying a data type but it didn't work. Any ideas?
Thanks
Martin
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Sep 10, 2001
I have a stored Procedure that is looping through multiple cursors.
It is never finding any records in any curosr that is using a local variable in the where clause...Help
Alter Procedure ProjectedIncome
As
SET ROWCOUNT 0
Declare
-- Date types
@startdate smalldatetime
,@enddate smalldatetime
,@ProjectedDate smalldatetime
,@termination smalldatetime
,@effectivedate smalldatetime
-- Integer
,@Nums int
,@nums2 int
,@ClientId int
,@AssetId int
,@ProductID int
,@Policies int
,@product int
,@Per int
,@Projected int
-- String
,@debugtext varchar(150)
,@productid2 varchar(15)
-- float
,@rate float
,@Cap float
--bit
,@Override bit
--Money
,@AnnualPremium Money
,@Value Money
,@Premium Money
,@PaymentAmount Money
--Doubles
,@PremCalc int
,@HoldPrem int
,@HoldCom int
,@CumBal int
,@CumPrem int
,@MonthlyPrem int
,@XBal int
,@CapPrev int
,@PremTier int
,@Incriment int
--Declare cursor for System Variables
DECLARE SystemVar_cur cursor for
SELECT ProjectionStartDate,ProjectionEndDate from SystemVariables
--Declare the Cursor for Asset Definitions
declare AssetDef_cur cursor for
SELECT termination,effectivedate,ClientID,AnnualPremium,A ssetID,ProductID,Policies from AssetDefinitions
--Declare cursor for CommisionDefinitions
declare CommisionDef_cur cursor for
Select a.product,a.per,a.cap,a.rate,a.value from CommisionDefinitions a where a.product = @ProductId2;
--Declare cursor for projections
declare projections_cur cursor for
Select a.override,a.premium,a.paymentamount from projections a where a.date = @ProjectedDate and assetid = @AssetId;
-- Select from the SystemVariables Table
OPEN SystemVar_cur
FETCH SystemVar_cur INTO @startdate,@enddate
CLOSE SystemVar_cur
DEALLOCATE SystemVar_cur
-- Open the AssetDefinition File and loop through
--
INSERT INTO debug_table VALUES('Open the Asset Cursor')
Open AssetDef_cur
Fetch AssetDef_cur INTO
@termination
,@effectivedate
,@clientId
,@AnnualPremium
,@assetId
,@ProductId
,@Policies
While @@fetch_status = 0
Begin-- begin AssetDefinitions Loop
--If Asset is not Terminated
If @termination IS NULL
BEGIN-- begin @termination IS NULL
SET @MonthlyPrem = (@AnnualPremium/12)
SET @debugtext = 'MonthlyPrem = AnnualPrem' + CAST(@AnnualPremium as Char) + '/12'
INSERT INTO debug_table VALUES(@debugtext)
If @effectivedate > @startdate
SET @ProjectedDate = @effectivedate
Else
SET @ProjectedDate = @startdate
-- end if
SET @PremCalc = 0
SET @CumBal = 0
SET @XBal = 0
SET @HoldCom = 0
-- Fetch the Projection Record
open projections_cur
fetch projections_cur INTO
@override,@premium,@paymentamount
If @@fetch_status = 0
BEGIN
IF @override = 1
BEGIN-- begin @override = 1
SET @CumPrem = @premium
SET @CumBal = @paymentamount
SET @HoldPrem = @CumPrem
SET @HoldCom = @CumBal
END-- end @override = 1
Else
SET @HoldPrem = @MonthlyPrem
END
CLOSE projections_cur
While @ProjectedDate <= @enddate
BEGIN-- begin While @ProjectedDate <= @enddate
SET @CapPrev = 0 --reset cap balance
SET @XBal = 0
SET @debugtext = 'Begin Get Commision Record For Product' + CAST(@productID as CHAR)
INSERT INTO debug_table VALUES(@debugtext)
SET @productid2 = @productid
SET @PremTier = @HoldPrem
---NOW Open the CommisionDef table
OPEN CommisionDef_cur
FETCH CommisionDef_cur INTO
@product,@per,@cap,@rate,@value
IF @@fetch_status <> 0
BEGIN
SET @debugtext = 'ERROR? ' + CAST(@@error as Char)
INSERT INTO debug_table VALUES(@debugtext)
END
WHILE @@fetch_status = 0
BEGIN-- begin While CommisionDef Fetch = 0
SET @debugtext = 'Found Commision Record' + CAST(@product as Char)
INSERT INTO debug_table VALUES(@debugtext)
If @Per = 0
BEGIN-- begin If @Per = 0
SET @Incriment = @Cap - @CapPrev
If @PremTier > @Incriment
SET @XBal = @XBal + (@Incriment * @Rate)
Else
BEGIN-- begin @PremTier > @Incriment
If @PremTier >= 0
SET @XBal = @XBal + (@PremTier * @Rate)
END-- end @PremTier > @Incriment
SET @debugtext = 'XBal ' + CAST(@XBal as CHAR(10))
INSERT INTO debug_table VALUES(@debugtext)
SET @CapPrev = @Cap
SET @PremTier = @PremTier - @Incriment
END-- end If @Per = 0
Else
BEGIN-- begin If @Per <> 0
SET @XBal = @value * @Policies / 12
SET @HoldCom = 0
SET @PremCalc = 0
SET @CumBal = @XBal
SET @debugtext = 'CumBal' + CAST(@CumBal as Char)
INSERT INTO debug_table VALUES(@debugtext)
SET @HoldPrem = @Policies
END-- end If @Per <> 0
FETCH CommisionDef_cur INTO
@product,@per,@cap,@rate,@value
END-- end While CommisionDef Fetch = 0
CLOSE commisionDef_cur
-- Fetch the Projection Record
open projections_cur
fetch projections_cur INTO
@override,@premium,@paymentamount
IF @@fetch_status = 0
BEGIN -- begin Projection Fetch = 0
IF @override = 1
SET @HoldCom = @CumBal
ELSE
-- If not overridden, set the fields to Update the projection File
BEGIN-- begin @override <> 1
SET @Projected = ((@XBal - @HoldCom) * 100 + 0.5) / 100
SET @Premium = @HoldPrem - @PremCalc
UPDATE projections SET projected = @projected, premium = @Premium where assetid=@AssetID and date = @ProjectedDate
SET @HoldCom = @XBal
END-- end @override <> 1
END-- end Projection Fetch = 0
ELSE
BEGIN -- Begin Projection Fetch else
IF @@fetch_status = -1
BEGIN-- begin Projection Fetch = -1
SET @Projected = ((@XBal - @HoldCom) * 100 + 0.5) / 100
SET @Premium = @HoldPrem - @PremCalc
SET @debugtext = '((xbal - holdcom)*100 + 0.5)/100 ' + CAST(@Xbal as char) + ' , ' + CAST(@holdcom as CHAR)
INSERT INTO debug_table VALUES(@debugtext)
SET @debugtext = 'Projection Record Not Found so Write it'
INSERT INTO debug_table VALUES(@debugtext)
--Projection record was not found so write it
SET @override = 0
INSERT INTO Projections
(AssetId,Date,Premium,Projected,Override,Payment,P aymentAmount)
VALUES(@AssetId,@ProjectedDate,@Premium,@Projected ,@override,0,0)
SET @HoldCom = @XBal
END-- end Projection Fetch = -1
END -- end Projection Fetch else
CLOSE projections_cur
SET @ProjectedDate = DateAdd("m", 1, @ProjectedDate)
SET @PremCalc = @HoldPrem
-- Fetch the Projection Record
OPEN projections_cur
FETCH projections_cur INTO
@override,@premium,@paymentamount
IF @override = 1
BEGIN-- begin @override = 1
SET @CumBal = @paymentamount
SET @HoldPrem = @HoldPrem + @CumPrem
END -- end @override = 1
ELSE
SET @HoldPrem = @HoldPrem + @MonthlyPrem
CLOSE projections_cur
END-- End the While ProjectedDate <=@enddate
END --End the If Termination is NULL
Fetch AssetDef_cur INTO
@termination
,@effectivedate
,@clientId
,@AnnualPremium
,@assetId
,@ProductId
,@Policies
END
CLOSE AssetDef_cur
DEALLOCATE AssetDef_cur
DEALLOCATE projections_cur
DEALLOCATE CommisionDef_cur
return
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Jul 20, 2005
In SQL how can a cursor be opened to iterate the result set returnedfrom a stored proc-Rahul SoodJoin Bytes!
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Jul 10, 2014
I have a situation where I need to call a stored procedure once per each row of table (with some of the columns of each row was its parameters). I was wondering how I can do this without having to use cursors.
Here are my simulated procs...
Main Stored Procedure: This will be called once per each row of some table.
-- All this proc does is, prints out the list of parameters that are passed to it.
CREATE PROCEDURE dbo.MyMainStoredProc (
@IDINT,
@NameVARCHAR (200),
@SessionIDINT
)
AS
BEGIN
[Code] ....
Here is a sample call to the out proc...
EXEC dbo.MyOuterStoredProc @SessionID = 123
In my code above for "MyOuterStoredProc", I managed to avoid using cursors and was able to frame a string that contains myltiple EXEC statements. At the end of the proc, I am using sp_executesql to run this string (of multipl sp calls). However, it has a limitation in terms of string length for NVARCHAR. Besides, I am not very sure if this is an efficient way...just managed to hack something to make it work.
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Feb 13, 2008
I am working with a large application and am trying to track down a bug. I believe an error that occurs in the stored procedure isbubbling back up to the application and is causing the application not to run. Don't ask why, but we do not have some of the sourcecode that was used to build the application, so I am not able to trace into the code.
So basically I want to examine the stored procedure. If I run the stored procedure through Query Analyzer, I get the following error message:
Msg 2758, Level 16, State 1, Procedure GetPortalSettings, Line 74RAISERROR could not locate entry for error 60002 in sysmessages.
(1 row(s) affected)
(1 row(s) affected)
I don't know if the error message is sufficient enough to cause the application from not running? Does anyone know? If the RAISERROR occursmdiway through the stored procedure, does the stored procedure terminate execution?
Also, Is there a way to trace into a stored procedure through Query Analyzer?
-------------------------------------------As a side note, below is a small portion of my stored proc where the error is being raised:
SELECT @PortalPermissionValue = isnull(max(PermissionValue),0)FROM Permission, PermissionType, #GroupsWHERE Permission.ResourceId = @PortalIdAND Permission.PartyId = #Groups.PartyIdAND Permission.PermissionTypeId = PermissionType.PermissionTypeId
IF @PortalPermissionValue = 0BEGIN RAISERROR (60002, 16, 1) return -3END
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Apr 25, 2002
Can I do something like
CREATE PROCEDURE ProcA
AS
DECLARE @temp CURSOR
BEGIN
EXECUTE ProcB @temp OUT
END
GO
I am sure that this code is not right. But, if someone can tell me a better way to solve this, I would apprciate it.
AB
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Aug 28, 2007
---Master query (Assuming this will display 20 rows) we are dealing with one single table that we need to pivot.
select id,fname,lname,sponsor from masterfile where id='TARZAN'
---from those 20 rows there is id that sponsored some one else
---explain: assuming ID=SHAGGY FNAME=Shaggy LNAME=Scooby (was sponsored by Tarzan)
---but Shaggy has sponsored 2 others
select id,fname,lname,sponsor from masterfile where id='SHAGGY'
---will display 3 rows and if from one of those 3 others that belongs to shaggy
---I also want to get their information ID,fname,lname
---This can go up to 10 per saying is like building a Tree with branches and leaves under those branches
---Explain:
---Let's assume that we have an OAK Tree that has 4 main branches
---and out of those 4 main branches 2 of them have other branches with leaves under it
--I would like to do this process in a cursor (Store Proc) is possible
--the way I have it now taking way too long
--because in within so many (do while loop)
TIA
Please pardon me, I could not find better layout to explain this.
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Apr 14, 2015
I have a table that has the following data
ID
---
101
102
105
108
124
189
I need to call a stored proc for each of the IDs above. Our existing code which has a cursor to loop through the table and call the proc for each value is proving to be a performance nightmare. Is there an alternate method that I can use to avoid cursor and make it more efficient?
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Aug 15, 2006
Existing Stored Procedure, has been running well on SQL since 7.0.(but needed some tweaking to migrate to 2000).Now all of a sudden after installing SP4 of SQL 2000,this process slows down, and SQL Spotlight shows the number of locksjust climbing throughout the processing run.According to the MS Knowledge Base Articles on KeyLocks .. this was aproblem that was *fixed* in the service pack ... where as for me it isnow broken.Article ID: 260652PRB: Nested Loop Join That Uses A "BOOKMARK LOOKUP ...WITH PREFETCH"May Hold Locks Longer http://support.microsoft.com/kb/260652/Article ID: 828096FIX: Key Locks Are Held Until the End of the Statement for Rows ThatDo Not Pass Filter Criteria http://support.microsoft.com/kb/828096/Anybody else have this issue, or have any "eazy" solutions?The proc cursors thru a list and runs a proc on each item in the "worklist".This is an existing systemwith no plans to turn the process into a set oriented one,as is going away shortly.
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Aug 24, 2006
I am having trouble executing a stored procedure on a remote server. On my
local server, I have a linked server setup as follows:
Server1.abcd.myserver.comSQLServer2005,1563
This works fine on my local server:
Select * From [Server1.abcd.myserver.comSQLServer2005,1563].DatabaseName.dbo.TableName
This does not work (Attempting to execute a remote stored proc named 'Data_Add':
Exec [Server1.abcd.myserver.comSQLServer2005,1563].DatabaseName.Data_Add 1,'Hello Moto'
When I attempt to run the above, I get the following error:
Could not locate entry in sysdatabases for database 'Server1.abcd.myserver.comSQLServer2005,1563'.
No entry found with that name. Make sure that the name is entered correctly.
Could anyone shed some light on what I need to do to get this to work?
Thanks - Amos.
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Jun 15, 2006
Hi All,Quick question, I have always heard it best practice to check for exist, ifso, drop, then create the proc. I just wanted to know why that's a bestpractice. I am trying to put that theory in place at my work, but they areasking for a good reason to do this before actually implementing. All Icould think of was that so when you're creating a proc you won't get anerror if the procedure already exists, but doesn't it also have to do withCompilation and perhaps Execution. Does anyone have a good argument fordoing stored procs this way? All feedback is appreciated.TIA,~CK
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Feb 23, 2007
I have an ASP that has been working fine for several months, but itsuddenly broke. I wonder if windows update has installed some securitypatch that is causing it.The problem is that I am calling a stored procedure via an ASP(classic, not .NET) , but nothing happens. The procedure doesn't work,and I don't get any error messages.I've tried dropping and re-creating the user and permissions, to noavail. If it was a permissions problem, there would be an errormessage. I trace the calls in Profiler, and it has no complaints. Thedatabase is getting the stored proc call.I finally got it to work again, but this is not a viable solution forour production environment:1. response.write the SQL call to the stored procedure from the ASPand copy the text to the clipboard.2. log in to QueryAnalyzer using the same user as used by the ASP.3. paste and run the SQL call to the stored proc in query analyzer.After I have done this, it not only works in Query Analyzer, but thenthe ASP works too. It continues to work, even after I reboot themachine. This is truly bizzare and has us stumped. My hunch is thatwindows update installed something that has created this issue, but Ihave not been able to track it down.
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Feb 20, 2003
I have seen this done by viewing code done by a SQL expert and would like to learn this myself. Does anyone have any examples that might help.
I guess I should state my question to the forum !
Is there a way to call a stored proc from within another stored proc?
Thanks In Advance.
Tony
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Jan 13, 2006
Hi all,
I have a stored procedure "uspX" that calls another stored procedure "uspY" and I need to retrieve the return value from uspY and use it within uspX. Does anyone know the syntax for this?
Thanks for your help!
Cat
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Jan 20, 2004
Hi all
I have about 5 stored procedures that, among other things, execute exactly the same SELECT statement
Instead of copying the SELECT statement 5 times, I'd like each stored proc to call a single stored proc that executes the SELECT statement and returns the resultset to the calling stored proc
The SELECT statement in question retrieves a single row from a table containing 10 columns.
Is there a way for a stored proc to call another stored proc and gain access to the resultset of the called stored proc?
I know about stored proc return values and about output parameters, but I think I am looking for something different.
Thanks
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Aug 30, 2007
I would like to know if the following is possible/permissible:
myCLRstoredproc (or some C# stored proc)
{
//call some T SQL stored procedure spSQL and get the result set here to work with
INSERT INTO #tmpCLR EXECUTE spSQL
}
spSQL
(
INSERT INTO #tmpABC EXECUTE spSQL2
)
spSQL2
(
// some other t-sql stored proc
)
Can we do that? I know that doing this in SQL server would throw (nested EXECUTE not allowed). I dont want to go re-writing the spSQL in C# again, I just want to get whatever spSQL returns and then work with the result set to do row-level computations, thereby avoiding to use cursors in spSQL.
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Oct 14, 2007
I am calling a stored procedure (say X) and from that stored procedure (i mean X) i want to call another stored procedure (say Y)asynchoronoulsy. Once stored procedure X is completed then i want to return execution to main program. In background, Stored procedure Y will contiue his work. Please let me know how to do that using SQL Server 2000 and ASP.NET 2.
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Apr 23, 2008
Hello friends......How are you ? I want to ask you all that how can I do the following ?
I want to now that how many ways are there to do this ?
How can I call one or more stored procedures into perticular one Stored Proc ? in MS SQL Server 2000/05.
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Apr 18, 2002
How can l rewrite this and trim the code.
CREATE Procedure Disbursements_Cats
(@startdate datetime,
@enddate datetime)
AS
Begin
SELECT Loan.loan_No AS Loan_No,
Loan.customer_No AS Customer_No,
Customer.first_name AS First_name,
Customer.second_name AS Second_name,
Customer.surname AS Surname,
Customer.initials AS Initials,
Bank.Bank_name AS Bank_name,
Branch.Branch_name AS Branch_name,
Branch.branch_code AS Branch_code ,
Bank_detail.bank_acc_type AS Bank_acc_type,
Transaction_Record.transaction_Amount AS Transaction_Amount,
Transaction_Record.transaction_Date AS Transaction_Date,
Loan.product AS Product,
Product.product_Type AS Product_Type,
Product_Type.loan_Type AS Loan_Type
FROM Transaction_Record INNER JOIN
Loan ON Transaction_Record.loan_No = Loan.loan_No INNER JOIN
Product ON Loan.product = Product.product INNER JOIN
Customer ON Loan.customer_No = Customer.customer_no INNER JOIN
Bank_detail ON Customer.customer_no = Bank_detail.customer_no INNER JOIN
Branch ON Bank_detail.Branch = Branch.Branch INNER JOIN
Bank ON Branch.Bank = Bank.Bank INNER JOIN
Product_Type ON Product.product_Type = Product_Type.product_Type
END;
GO
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Mar 28, 2008
Hi all,
Here's the code I'd like to update, and below it a set of sample data:
Declare @StartDate DateTime
Declare @EndDate DateTime
Set @StartDate = '20-mar-2008'
Set @EndDate = '25-mar-2008'
SELECT
COUNT (iqs.childid) as Cnt
,CASE
--Search Categories and Create Initial Groupings--
WHEN Category LIKE '%Jewel%' THEN 'Accessories'
WHEN Category LIKE '%Beauty%' THEN 'Accessories'
WHEN Category LIKE '%Accs%' THEN 'Accessories'
WHEN Category LIKE '%Gift%' THEN 'Accessories'
WHEN Category LIKE '%Grooming%' THEN 'Accessories'
WHEN Category LIKE '%Female%Prem%Brands%' THEN 'WomensPremiumOutsideBrand'
WHEN Category LIKE '%Female%Prem%OB%' THEN 'WomensPremiumOwnBrand'
WHEN Category LIKE '%Female%Brand%' THEN 'WomensOutsideBrand'
WHEN Category LIKE '%Female%OB%%' THEN 'WomensOwnBrand'
WHEN Category LIKE '%Female%' THEN 'Womenswear'
WHEN Category LIKE '%Male%Prem%Brands%' THEN 'MensPremiumOutsideBrand'
WHEN Category LIKE '%Male%Prem%OB%' THEN 'MensPremiumOwnBrand'
WHEN Category LIKE '%Male%Brand%' THEN 'MensOutsideBrand'
WHEN Category LIKE '%Male%OB%' THEN 'MensOwnBrand'
WHEN Category LIKE '%Male%' THEN 'MensOwnBrand'
END AS CategoryGroup
,CONVERT(VARCHAR(10), iqs.StatusDate, 103) AS StatusDate
FROM InventoryQueryStatus iqs
JOIN InventoryStatus [is]
ON [is].StatusID = iqs.StatusID
JOIN Inventory i
ON i.InventoryID = iqs.InventoryID
JOIN InventoryCategory ic
ON ic.CategoryID = i.CategoryID
WHERE iqs.StatusID = 31000
and Category NOT LIKE 'Force%'
--AND iqs.StatusDate >=GETDATE()-1
AND iqs.StatusDate BETWEEN @StartDate AND @EndDate
GROUP BY
CASE
--Search Categories and Create Initial Groupings--
WHEN Category LIKE '%Jewel%' THEN 'Accessories'
WHEN Category LIKE '%Beauty%' THEN 'Accessories'
WHEN Category LIKE '%Accs%' THEN 'Accessories'
WHEN Category LIKE '%Gift%' THEN 'Accessories'
WHEN Category LIKE '%Grooming%' THEN 'Accessories'
WHEN Category LIKE '%Female%Prem%Brands%' THEN 'WomensPremiumOutsideBrand'
WHEN Category LIKE '%Female%Prem%OB%' THEN 'WomensPremiumOwnBrand'
WHEN Category LIKE '%Female%Brand%' THEN 'WomensOutsideBrand'
WHEN Category LIKE '%Female%OB%%' THEN 'WomensOwnBrand'
WHEN Category LIKE '%Female%' THEN 'Womenswear'
WHEN Category LIKE '%Male%Prem%Brands%' THEN 'MensPremiumOutsideBrand'
WHEN Category LIKE '%Male%Prem%OB%' THEN 'MensPremiumOwnBrand'
WHEN Category LIKE '%Male%Brand%' THEN 'MensOutsideBrand'
WHEN Category LIKE '%Male%OB%' THEN 'MensOwnBrand'
WHEN Category LIKE '%Male%' THEN 'MensOwnBrand'
END
,CONVERT(VARCHAR(10), iqs.StatusDate, 103)
Order By StatusDate
Sample Data:
164WomensOutsideBrand 20/03/2008
5MensOutsideBrand 20/03/2008
78WomensOwnBrand 20/03/2008
92WomensPremiumOutsideBrand 20/03/2008
1Accessories 20/03/2008
However, I'd like to enable a total for the day (340)
Thanks,
JB
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Aug 29, 2005
I have a WHERE clause that could be an "=" or a "LIKE" depending uponif the passed variable is populated or not. I would like to know thebest way to write the WHERE clause to make it dynamically switchbetween the 2 and make best use of the indexes.CREATE TABLE myTable(ID INT PRIMARY KEY CLUSTERED, COUNTY VARCHAR(50))CREATE INDEX IDX_myTable_County ON myTable(COUNTY)DECLARE @COUNTY VARCHAR(50)SET @COUNTY = 'SANTA CLARA' -- Could also be SET @COUNTY = NULLSELECT ID FROM myTableWHERE COUNTY LIKE (CASE WHEN @COUNTY IS NOT NULL THEN @COUNTY ELSE '%'END)This does not seem like best practice to me because I am forced to use"LIKE" even when @COUNTY is populated with data. Ultimately I'd like:WHERE (CASE WHEN @COUNTY IS NOT NULL COUNTY = @COUNTY ELSE COUNTY LIKE'%' END)but that is incorrect syntax on "=".Also, I do not want to use a dynamically built statement. Is there away around this?Thanks,Josh
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Apr 7, 2008
Currently I just need to rechange a view which is writen by other staff member because of low performance.
This view comprises 4 query statement and link using Union statement.
Each query statement will refer more than 8 tables and other views.
Now I want to rewrite it but I can not know how to do. I change union to CTE, no performance improved.
I want to create indexed view, but because this view refer the other view, I cannot create index on it?
Any tips for me? Thank you for help.
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Dec 18, 2007
Hi Peeps
I have a SP that returns xml
I have writen another stored proc in which I want to do something like this:Select FieldOne, FieldTwo, ( exec sp_that_returns_xml ( @a, @b) ), FieldThree from TableName
But it seems that I cant call the proc from within a select.
I have also tried
declare @v xml
set @v = exec sp_that_returns_xml ( @a, @b)
But this again doesn't work
I have tried changing the statements syntax i.e. brackets and no brackets etc...,
The only way Ive got it to work is to create a temp table, insert the result from the xml proc into it and then set @v as a select from the temp table -
Which to be frank is god awful way to do it.
Any and all help appreciated.
Kal
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Mar 15, 2007
Is there a efficient way to write this query?
SELECT CASE
WHEN Population BETWEEN 0 AND 100 THEN '0-100' WHEN Population BETWEEN 101 AND 1000 THEN '101-1000' ELSE 'Greater than 1000' END AS Population_Range,
COUNT(CASE WHEN Population BETWEEN 0 AND 100 THEN '0-100' WHEN Population BETWEEN 101 AND 1000 THEN '101-1000' ELSE 'Greater than 1000' END) AS [No. Of Countries]
FROM Country
GROUP BY
CASE WHEN Population BETWEEN 0 AND 100 THEN '0-100' WHEN Population BETWEEN 101 AND 1000 THEN '101-1000' ELSE 'Greater than 1000' END
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May 29, 2007
Hello all
We are load testing SQL 2005 and I need to re-write the index scripts that we have from 2000. Is there an easier way to rewrite the scripts without having to go to each job, then each step and modify it?
Our current index script template is:
Create NonClustered Index [IdxABCDE]
On dbo.blahblah(blahID)
With FillFactor = 90, Statistics_NoRecompute
On [Index2]
Go
and I need to rewrite it as:
ALTER INDEX [IdxABCDE] ON [dbo].[blahblah]
REBUILD WITH (FILLFACTOR = 90, ONLINE = OFF,SORT_IN_TEMPDB=ON, STATISTICS_NORECOMPUTE = ON, MAXDOP=4)
I am thinking I would have to rewrite the scripts from scratch. We have hundreds of index scripts. So before I brace myself to lot of typing, just wanted to find out if there is any easier way..
Thanks..
Dinakar Nethi
************************
Life is short. Enjoy it.
************************
http://weblogs.sqlteam.com/dinakar/
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May 1, 2008
I have a complex stored procedure that utilises inner joins, and in the WHERE clause there is defined a subquery. This subquery has now cause a performance hit to the ponit where the server is returning a timeout. Need to find an alternate fast solution.....
SELECT BE.BlogEntryID
FROM vw_BlogEntry BE
INNER JOIN @BlogView BC ON BC.CommonID = BE.BlogCommonID
INNER JOIN vw_Blog B ON B.BlogID = BC.BlogID
WHERE
(
...
)
AND
(
....
)
AND
(
-- GET ENTRIES WHERE COMMENT COUNT IS AT LEAST @CommentCount (..or @CommentCount = 0)
@CommentCount <= 0
OR BE.CommonID IN (SELECT bc.EntryCommonID
FROM vw_BlogComment_Current bc
INNER JOIN tblVersionDetails vd ON bc.VersionID = vd.VersionID
WHERE
IsNull(@CommentStatus,'') = ''
OR vd.Status IN (SELECT * FROM fn_CsvToString(@CommentStatus))
GROUP BY bc.EntryCommonID
HAVING COUNT(bc.EntryCommonID) >= @CommentCount)
)
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Jan 17, 2008
This works, but it's highly unefficient and generates a lot of IO. Is there another way to do it without the use of temp tables?
Code Block
select eh.*
from Equipment_History eh
where Equipment_History_ID in
(select top 2 Equipment_History_ID
from Equipment_History eh1
where Equipment_ID in
(select Equipment_ID
from Equipment_History eh2
where Equipment_History_ID in
(select min(Equipment_History_ID)
from Equipment_History eh3
where eh2.Equipment_ID = eh3.Equipment_ID
and eh2.Equipment_Status_Type in (1,2,3)))
and eh1.Equipment_ID = eh.Equipment_ID
order by Equipment_History_ID)
Equipment_History_ID is PK
Let me know what other information would be useful, I can barely understand my logic from looking at the code but it does in fact work.
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Sep 21, 2007
Hello,
I have a query with 11 left joins. Some hits against tables with small amounts of reference data, whereas others are not so small. Should I rewrite this in another way, as performance is a requirement on this one? Or, should I do it another way?
How would I rewrite left joins? Any examples?
Thanks.
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Oct 30, 2007
Hello.
I have a query which spends a lot of time calculating my CASE WHEN -statements.
My query looks like this
SELECT TOP 250
UserId,
CASE WHEN
(someCol*0.4+someOtherCol*0.3) > 99 THEN 99
ELSE
(someCol*0.4+someOtherCol*0.3)
END
FROM
(
SELECT
UserId,
CASE WHEN @myparam > 50 THEN
CASE WHEN Col5+@myincrease > 99 THEN 99 ELSE Col5+@myincrease END
ELSE
CASE WHEN Col6+@myincrease > 99 THEN 99 ELSE Col6+@myincrease ENDEND as someCol,
CASE WHEN Col8+@myincrease3 > 99 THEN 99 ELSE Col8+@myincrease3 END as SomeOtherCol
FROM
SomeTable
) t1
This is just a little bit of the full query. I cannot write the whole query since it contains alot of different views and calculations, but I have traced it down to that all these case when-statements is taking a lot of time to do. So I hope that this example will be enough for you to understand my problem.
I know about some tricks that can replace a CASE WHEN, for example using COALESCE or BETWEEN but that does not seem to work in my case.
Any suggestions?
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Mar 21, 2006
Use the view master.sys.sql_logins (new in 2005) to get at the varbinary passwords like you did in your Sql Server 2000 scripts (instead of using passwords from master.dbo.sysxlogins).
I have altered the sp_help_revlogin (from Microsoft article # 246133 )
PLEASE TEST/FIX before you use this:
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_help_revlogin_2005]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_help_revlogin_2005]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
CREATE PROCEDURE sp_help_revlogin_2005 @login_name sysname = NULL AS
DECLARE @name sysname
DECLARE @logintype char(1)
DECLARE @logindisabled int
DECLARE @binpwd varbinary (256)
DECLARE @txtpwd sysname
DECLARE @tmpstr varchar (256)
DECLARE @SID_varbinary varbinary(85)
DECLARE @SID_string varchar(256)
IF (@login_name IS NULL)
DECLARE login_curs CURSOR FOR
SELECT sid, name, type, is_disabled FROM master.sys.server_principals
WHERE name <> 'sa' and type in ('S','U','G')
ELSE
DECLARE login_curs CURSOR FOR
SELECT sid, name, type, is_disabled FROM master.sys.server_principals
WHERE name = @login_name
OPEN login_curs
FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @logintype, @logindisabled
IF (@@fetch_status = -1)
BEGIN
PRINT 'No login(s) found.'
CLOSE login_curs
DEALLOCATE login_curs
RETURN -1
END
SET @tmpstr = '/* sp_help_revlogin_2005 script '
PRINT @tmpstr
SET @tmpstr = '** Generated '
+ CONVERT (varchar, GETDATE()) + ' on ' + @@SERVERNAME + ' */'
PRINT @tmpstr
PRINT ''
PRINT 'DECLARE @pwd sysname'
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
PRINT ''
SET @tmpstr = '-- Login: ' + @name
PRINT @tmpstr
IF (@logintype = 'G' OR @logintype = 'U')
BEGIN -- NT authenticated account/group
IF @logindisabled = 1
BEGIN -- NT login is denied access
SET @tmpstr = 'EXEC master..sp_denylogin ''' + @name + ''''
PRINT @tmpstr
END
ELSE BEGIN -- NT login has access
SET @tmpstr = 'EXEC master..sp_grantlogin ''' + @name + ''''
PRINT @tmpstr
END
END
ELSE IF (@logintype = 'S')
BEGIN -- SQL Server authentication
SELECT @binpwd = password_hash FROM master.sys.sql_logins WHERE SID = @SID_varbinary
IF (@binpwd IS NOT NULL)
BEGIN -- Non-null password
EXEC sp_hexadecimal @binpwd, @txtpwd OUT
SET @tmpstr = 'SET @pwd = CONVERT (nvarchar(128), ' + @txtpwd + ')'
PRINT @tmpstr
EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT
SET @tmpstr = 'EXEC master..sp_addlogin @loginame = ''' + @name
+ ''', @passwd = @pwd, @sid = ' + @SID_string + ', @encryptopt = ''skip_encryption'''
END
ELSE BEGIN
-- Null password
EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT
SET @tmpstr = 'EXEC master..sp_addlogin @loginame = ''' + @name
+ ''', @passwd = NULL, @sid = ' + @SID_string
END
PRINT @tmpstr
END
END
FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @logintype, @logindisabled
END
CLOSE login_curs
DEALLOCATE login_curs
RETURN 0
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
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Aug 14, 2007
I have a activeX script like below in DTS and I am trying to rewrite it in SSIS.
What is the best way to do this?
Can I do this using a look up table? or other transformers in SSIS
'**********************************************************************
' Visual Basic Transformation Script
'************************************************************************
' Copy each source column to the destination column
Function Main()
if DTSSource("RACE_AMERICAN_INDIAN_YN") = "1" then
DTSDestination("RACE_NATIVE_AM_IND") = "Y"
else
if DTSSource("RACE_AMERICAN_INDIAN_YN") = "2" then
DTSDestination("RACE_NATIVE_AM_IND") = "N"
end if
end if
if DTSSource("RACE_ASIAN_YN") = "1" then
DTSDestination("RACE_ASIAN_IND") = "Y"
else
if DTSSource("RACE_ASIAN_YN") = "2" then
DTSDestination("RACE_ASIAN_IND") = "N"
end if
end if
if DTSSource("RACE_AFRICAN_AMERICAN_YN") = "1" then
DTSDestination("RACE_BLACK_IND") = "Y"
else
if DTSSource("RACE_AFRICAN_AMERICAN_YN") = "2" then
DTSDestination("RACE_BLACK_IND") = "N"
end if
end if
if DTSSource("RACE_NATIVE_HAWAIIAN_YN") = "1" then
DTSDestination("RACE_HAWAIIAN_IND") = "Y"
else
if DTSSource("RACE_NATIVE_HAWAIIAN_YN") = "2" then
DTSDestination("RACE_HAWAIIAN_IND") = "N"
end if
end if
if DTSSource("RACE_CAUCASIAN_YN") = "1" then
DTSDestination("RACE_WHITE_IND") = "Y"
else
if DTSSource("RACE_CAUCASIAN_YN") = "2" then
DTSDestination("RACE_WHITE_IND") = "N"
end if
end if
if CInt (DTSSource("RACE_AMERICAN_INDIAN_YN")) + CInt (DTSSource("RACE_ASIAN_YN")) + CInt (DTSSource("RACE_AFRICAN_AMERICAN_YN")) + CInt (DTSSource("RACE_NATIVE_HAWAIIAN_YN")) + CInt (DTSSource("RACE_CAUCASIAN_YN")) = 9 then
if DTSSource("RACE_AMERICAN_INDIAN_YN") = "1" then
DTSDestination ("RACE_CD") = 40
DTSDestination ("RACE_MULT_IND") = "N"
DTSDestination ("RACE_OTH_IND") = "N"
else
if DTSSource ("RACE_ASIAN_YN") = "1" then
DTSDestination ("RACE_CD") = 16
DTSDestination ("RACE_MULT_IND") = "N"
DTSDestination ("RACE_OTH_IND") = "N"
else
if DTSSource ("RACE_AFRICAN_AMERICAN_YN") = "1" then
DTSDestination ("RACE_CD") = 32
DTSDestination ("RACE_MULT_IND") = "N"
DTSDestination ("RACE_OTH_IND") = "N"
else
if DTSSource("RACE_NATIVE_HAWAIIAN_YN") = "1" then
DTSDestination ("RACE_CD") = 51
DTSDestination ("RACE_MULT_IND") = "N"
DTSDestination ("RACE_OTH_IND") = "N"
else
if DTSSource("RACE_CAUCASIAN_YN") = "1" then
DTSDestination("RACE_CD") = 31
DTSDestination("RACE_MULT_IND") = "N"
DTSDestination("RACE_OTH_IND") = "N"
end if
end if
end if
end if
end if
else
if CInt (DTSSource("RACE_AMERICAN_INDIAN_YN")) + CInt (DTSSource("RACE_ASIAN_YN")) + CInt (DTSSource("RACE_AFRICAN_AMERICAN_YN")) + CInt (DTSSource("RACE_NATIVE_HAWAIIAN_YN")) + CInt (DTSSource("RACE_CAUCASIAN_YN")) = 10 then
DTSDestination("RACE_CD") = 99
DTSDestination("RACE_MULT_IND") = "N"
DTSDestination("RACE_OTH_IND") = "N"
else
if CInt (DTSSource("RACE_AMERICAN_INDIAN_YN")) + CInt (DTSSource("RACE_ASIAN_YN")) + CInt (DTSSource("RACE_AFRICAN_AMERICAN_YN")) + CInt (DTSSource("RACE_NATIVE_HAWAIIAN_YN")) + CInt (DTSSource("RACE_CAUCASIAN_YN")) < 9 then
DTSDestination("RACE_CD") = 52
DTSDestination("RACE_MULT_IND") = "Y"
DTSDestination("RACE_OTH_IND") = "N"
end if
end if
end if
Main = DTSTransformStat_OK
End Function
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