Transact SQL :: Cursor Fetch From Bottom To Top?
Sep 14, 2015
I write few lines to do a bottom-up calculation, with 'fetch last' and 'fetch prior'.
It seems that the condition 'WHILE @@FETCH_STATUS = 0' does not work when cursor arrives at the first line, as there is an error message:
'(1 row(s) affected)
6255.84
(1 row(s) affected)
Msg 16931, Level 16, State 1, Line 18
There are no rows in the current fetch buffer.
The statement has been terminated.'
how to fix the error?
Here is my code:
DECLARE @lastprice real
DECLARE @updatedprice real
DECLARE @updatedRe real
DECLARE @updatedAUX real
SET @lastprice = (
SELECT Close_P from #ClosePrice where #ClosePrice.DateTD = (SELECT MAX(#ClosePrice.DateTD) FROM #ClosePrice)
)
[code].....
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Jun 22, 2004
Let's say i have 5 unique RRID's, column APID and ITID
RRID - APID - ITID
1 13 700
2 13 700
3 13 700
4 14 700
5 15 700
If I run the stored procedure below, I get the results above however, I want my result to be
RRID - APID - ITID
1 13 700
2 13 700
3 13 700
4 14 701
5 15 702
I want my cursor to loop at the same APID then assign one ITID then move to the next APID and so on...
Any help is highly appreciated....
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
ALTER PROCEDURE InsNewEmployeeImpTaskP2
@REID int,
@LOID int,
@RetValintoutput
AS
Declare @RRID int
Declare @APID int
Declare @intREID varchar(20)
Declare @intIMID varchar(20)
Declare crReqRec cursor for
select RRID from RequestRecords where REID = @REID and RRSTatus = 'AC' and APID is not null
open crReqRec
fetch next from crReqRec
into
@RRID
set @APID = (select APID from RequestRecords where REID = @REID and RRID = @RRID)
set @intIMID = (SELECT ImplementationGroup.IMID
FROM ImplementationGroup_Location INNER JOIN
ImplementationGroup ON ImplementationGroup_Location.IMID = ImplementationGroup.IMID INNER JOIN
Applications_ImplementationGroup ON ImplementationGroup.IMID = Applications_ImplementationGroup.IMID where APID = @APID and ImplementationGroup_Location.LOID = @LOID )
insert into ImplementationTasks
(
IMID,
ITStatus,
ITStatusDate
)
VALUES
(
@intIMID,
'2',
GetDate()
)
SET @RetVal = @@Identity
while @@fetch_status = 0
Begin
Update RequestRecords
set ITID = @RETVal, RRStatus = 'IA'
where REID = @REID and RRID = @RRID
FETCH NEXT FROM crReqRec
into
@RRID
end
close crReqRec
deallocate crReqRec
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
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Nov 4, 2007
Hi,
I'm relatively inexperienced in sql, and am having trouble interpreting the behavior of a cursor in some code I have inherited. When there is a record in both the Filters and FilterElements tables, the fetch_status is 0. If there is a record in Filters, but no child record in FilterElements, the fetch_status is -1. Since the tables are joined with a RIGHT OUTER JOIN, even when there is no corresponding record in FilterElements, a record is returned (I have verified running the select in a query window). But when used in a cursor, the record is not fetched. The fetch_status is -1. Can anyone tell me why the fetch doesn't work in this case. Thanks
----
DECLARE @CreatedByUser nchar(100), @WorkflowIDs varchar(50);
DECLARE @MyVariable CURSOR;
SET @MyVariable = CURSOR FOR
SELECT isnull(Filters.WorkflowIDs, ''),
isnull(FilterElements.CreatedByUser, '')
FROM Filters RIGHT OUTER JOINFilterElements ON Filters.ItemID = FilterElements.FiltersItemID
WHERE FiltersItemID = @FilterID;
OPEN @MyVariable;FETCH NEXT FROM @MyVariable
INTO @WorkflowIDs, @CreatedByUser;
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Jan 15, 2004
it seems that starting with MDAC 2.8 the FETCH NEXT statement for cursors requires an INTO clause. otherwise an unspecified error is returned.
so it's not possible to scroll through the records anymore without storing the values of the fields into local variables?
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Mar 17, 2008
Hello,
I am hoping someone can help me with using the cursor and fetch functions. I have not used these features in the past and I am now stuck when trying to use IF statements with the fetch function.
I have a temp table populated with the below headers and their associated data.
The headers are as follows:
ItemRcvdKey, TranID, TranDate, QtyReceived, UnitCost, ItemKey, WhseKey, ItemID, ShortDesc, WhseID, QtyOnHand, StdCost.
The information contained in this temp table lists every single receipt of goods against all of our inventoried items. The QtyOnHand listed on each record is the total QtyOnHand for that item in that warehouse. What I need the fetch to do is grab the receipt of goods records, starting with the most recent TranDate, and pull them into the new temp table until the QtyOnHand is reached. The QtyonHand it should be comparing too is the one listed on the first fetched record. Once the Sum of the QtyRcvd is equal to or is greater than the QtyOnHand for that item I need the fetch to move on to the next item number and perform the same function.
One thing I need to be clear on is that if there are 3 Receipt Records(TranID) for Item A in Warehouse A, the total QtyOnHand will be listed 3 times. I need to make sure that the Fetch is comparing all the records for Item A in Warehouse A to one instance of the QtyOnHand.
The other aspect is that there will be receipt of goods for the same item in multiple warehouses. So I also need the Fetch to be sure that when it is grabbing records and putting them in the temp table, it makes sure it is matching the ItemID and the WhseID with the record it started with.
The current script I have written is below. If you can offer any help I would greatly appreciate it.
Code SnippetDeclare @ItemID VarChar(30),
@QtyOnHand Decimal (16,8),
@WhseID VarChar (6),
@SumRcvd Int,
@TranID VarChar(30),
@TranDate DateTime,
@QtyRcvd Decimal (16,8),
@UnitCost Decimal (16,8),
@ItemKey Int,
@WhseKey Int,
@ShortDesc VarChar (40),
@StdCost Decimal (16,8)
DECLARE Temp_cursor CURSOR FOR
SELECT TranID, TranDate, QtyRcvd,
UnitCost, ItemKey, WHseKey,
ItemID, ShortDesc, WhseID,
QtyOnHand, StdCost
FROM #Temp1 tem
OPEN Temp_cursor
FETCH NEXT FROM Temp_cursor
INTO @TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost
WHILE @@FETCH_STATUS = 0
BEGIN -- 0
Insert Into #Temp3
(TranID, TranDate, QtyRcvd,
UnitCost, ItemKey, WHseKey,
ItemID, ShortDesc, WhseID,
QtyOnHand, StdCost)
Values
(@TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost)
FETCH NEXT FROM Temp_cursor
INTO @TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost
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Sep 8, 2003
Open a cursor , Fetch the record ,
during this kind of operation , will the specific table be locked and fail
to be updated or select by another session ?
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Feb 28, 2006
I seem to have a few problems with the below double cursor procedure. Probably due to the fact that I have two while loops based on fetch status. Or???
What I want to do is select out a series of numbers in medlemmer_cursor(currently set to only one number, for which I know I get results) and for each of these numbers select their MCPS code and gather these in a single string.
For some reason the outpiut (the insert into statement) returns the correct number 9611 but the second variable @instrumentlinje remains empty.
If I test the select clause for 9611, it gets 4 lines. So to me its like the "SELECT @instrumentlinje = @instrumentlinje + ' ' + @instrument" statement doesn't execute.
DELETE FROM ALL_tbl_instrumentkoder
DECLARE @medlem int
DECLARE @instrument varchar(10)
DECLARE @instrumentlinje varchar(150)
DECLARE medlemmer_cursor CURSOR FOR
SELECT medlemsnummer
FROM ket.ALL_tbl_medlemsinfo (NOLOCK)
WHERE medlemsnummer = 9611
DECLARE instrumenter_cursor CURSOR FOR
SELECT [MCPS Kode]
FROM Gramex_DW.dbo.Instrumentlinie (NOLOCK)
WHERE Medlemsnummer = @medlem
OPEN medlemmer_cursor
FETCH NEXT FROM medlemmer_cursor INTO @medlem
WHILE @@FETCH_STATUS = 0
BEGIN
OPEN instrumenter_cursor
FETCH NEXT FROM instrumenter_cursor INTO @instrument
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @instrumentlinje = @instrumentlinje + ' ' + @instrument
FETCH NEXT FROM instrumenter_cursor INTO @instrument
END
CLOSE instrumenter_cursor
INSERT INTO ALL_tbl_instrumentkoder VALUES(@medlem, @instrumentlinje)
FETCH NEXT FROM medlemmer_cursor INTO @medlem
END
CLOSE medlemmer_cursor
DEALLOCATE medlemmer_cursor
DEALLOCATE instrumenter_cursor
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Jan 28, 2008
Hello,
I have searched the net for an answer but could not find one. When I declare a table variable
and then try to insert fetched row into the table variable like:
Code Snippet
declare @table table (col1 nvarchar(50), col2 nvarchar(50))
declare curs for
select * from sometable
open curs
fetch next from curs into @table
it does not work. any help would be great.
thnx
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Feb 5, 2001
Hi all,
I got a problem. I am working on DTS package. The last step is updating a table field. I wrote a stored procedure as below:
CREATE PROCEDURE [Update_product_manufacturer] AS
Declare @product_id int
Declare @supplier_name VarChar (255)
Declare ValueCursor Cursor For
select product.product_id, [P21_SUPPLIER_id_name_ke].[supplier_name]
from [VARIANT],[P21_INV_MAST_uid_itenID_weight_ke],[product],
[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e],[P21_SUPPLIER_id_name_ke]
where
[product].product_id = [VARIANT].[product_id]
and
[P21_INV_MAST_uid_itenID_weight_ke].[item_id]=[VARIANT].[SKU]
AND
[P21_INV_MAST_uid_itenID_weight_ke].[inv_mast_uid]=[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e].[inv_mast_uid]
AND
[P21_SUPPLIER_id_name_ke].[supplier_id]=[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e].[supplier_id]
order by [product].[product_id]
for read only
Open ValueCursor
while (0 = 0)
begin
fetch next
from ValueCursor
Into @product_id, @supplier_name
update product
set manufacturer = @supplier_name
where product_id = @product_id
end
close ValueCursor
Deallocate ValueCursor
Notes: Table: Product has 28,000 rows, other tables with 28,000 - 56,000 rows
it's been 2 hours, the job is still working.
Who has this kind of experience? How can I make updating quickly?
Thanks,
Kevin Zhang
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Apr 4, 2004
Hi all
I want to put the fetch results of a cursor to a temporary DB for manipulation, Im selecting all columns from the table in the cursor and the number of total columns is unknow.
Please guide me on how this could be done...
Thanks in advance
Regards
Benny
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Oct 7, 2004
I want to send 1 email with all clientname records which the cursor gets for me.
My code however is sending 1 email for 1 record i.e clientname got from db. What's wrong? please help.
I ano table to understand here about the while if right.
thanks.
+++++++++++++++++++++++++++++++++++++++++
CREATE PROCEDURE test1
AS
declare @clientName varchar(1000)
declare myCursor CURSOR STATIC
for
select client_name
from clients
-------------------------
-- now prepare and send out the e-mails
declare @ToEmail varchar(255)
declare @FromEmail varchar(255)
declare @Subject varchar(255)
declare @Body varchar(2000)
declare @UserID numeric(38)
declare @UserName varchar(255)
declare @SMTPServer varchar(100)
set @SMTPServer = 'test.testserver.com'
-- loop for each record
open myCursor
fetch next from myCursor
into @clientName
--loop now:
while (@@fetch_status=0)
begin -- while(@@fetch_status=0)
-- check if valid "To" e-mail address was found
if ((@clientName is null) or (ltrim(@clientName) = ''))
begin
--should not come here anytime ideally
set @FromEmail = 'me@test.com'
set @ToEmail = 'me@test.com'
set @Subject = 'was emailed to wrong person'
set @Body = 'the client name got is : '+ @clientName + 'client is null or empty'
end --if
else
begin
set @FromEmail = 'me@test.com'
set @ToEmail = 'me@test.com'
set @Subject = '-testing'
set @Body =
'this will send
ClientName:'+ @clientName
end --end else
-- send the e-mail
--exec dbo.usp_SendCDOSysMailWithAuth @FromEmail, @ToEmail, @Subject, @Body, 0, @SMTPServer
--fetch next from myCursor into @clientName
fetch next from myCursor
into @clientName
end --while(@@fetch_status=0)
exec dbo.usp_SendCDOSysMailWithAuth @FromEmail, @ToEmail, @Subject, @Body, 0, @SMTPServer
close myCursor
deallocate myCursor
GO
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Dec 1, 2004
Dear all,
I have a procedure in Oracle that contains the following cursor:
CURSOR SCHED_TRIPS IS
SELECT TRAVELDATE, STOP_NUM, TRIPID, STOP_TYPE, PROMISED_TIME, ETA, PERFORM_TIME, DEPART_TIME, ETD, DRIVERWAIT, PASSENGERWAIT, TRIPTIME, GROUP_ID
FROM Dbo.SCHEDTRIPS_VIEW
WHERE UNQ_ID = SESSION_ID AND TRUNC(TRAVELDATE) = TRUNC(TDATE)
AND DISPOSITION <> 'V';
BEGIN
FOR S IN SCH_TRIPS LOOP
UPDATE dbo.SCHEDULES T
SET T.DIRTYBIT = 1
WHERE T.TRIPID = S.TRIPID AND T.STOP_TYPE = S.STOP_TYPE AND (T.STOP_NUM <> S.STOP_NUM OR T.ETA <> S.ETA);
UPDATE dbo.SCHEDULES T
SET T.STOP_NUM = S.STOP_NUM, T.PROMISED_TIME = S.PROMISED_TIME, T.ETA = S.ETA, T.ETD = S.ETD, T.LAST_CHANGED = SYSDATE
WHERE T.TRIPID = S.TRIPID AND T.STOP_TYPE = S.STOP_TYPE;
END LOOP;
COMMIT ;
END;
My problem is with the line shown in Red. What will be the T-SQL equivalent for this line.
Anxiously waiting for help!
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Aug 9, 2014
I don't understand using a dynamic cursor.
Summary
* The fetch next statement returns multiple rows when using a dynamic cursor on the sys.dm_db_partition_stats.
* As far as I know a fetch-next-statement always returns a single row?
* Using a static cursor works as aspected.
* Works on production OLTP as well as on a local SQL server instance.
Now the Skript to reproduce the whole thing.
create database objects
-- create the partition function
create partition function fnTestPartition01( smallint )
as range right for values ( 1, 2, 3, 4, 5, 6, 7, 8 , 9, 10 ) ;
[Code]....
Why does the fetch statement return more than 1 row? It returns the whole result of the select-statement. When using a STATIC cursors instead I get the first row of the cursor as I would expect. Selecting a "normal" user table using a dynamic cursor I get the first row only, again as expected.
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Dec 18, 2007
create proc emailnew
as
declare @From varchar(8000)
declare @Subject varchar(8000)
declare @Body varchar(4000)
declare @smtp varchar(8000)
declare @counter int, @tbl varchar(8000)
Declare @MailID int
Declare @hr int
Declare @To varchar(8000)
Declare @tblquery varchar(8000)
declare @id int, @deptemail varchar(8000), @tmpmth varchar(8000), @usedb varchar(8000)
set @from = 'name@mail.com'
set @subject = 'testheader'
set @body = 'testing successful'
set @smtp = 'smtp.com'
--=========================================================================
--============================ get database name =======================
IF (LEN(MONTH(GETDATE())) = 1)
BEGIN
Set @TmpMth = '0' + CAST(MONTH(GETDATE()) AS varchar(2)) --01
END
ELSE
BEGIN
Set @TmpMth = CAST(MONTH(GETDATE()) AS varchar(2)) --12
END
SET @UseDB = 'DATA' + CAST(YEAR(GETDATE()) AS varchar(4)) + @TmpMth --aia_DATA200712
--===================================================================
--============================ get table number =======================
set @counter = 1
while @counter >= 59
begin
IF (LEN(@counter) = 1)
BEGIN
Set @Tbl = '0' + @counter --01
END
ELSE
BEGIN
Set @Tbl = @counter --12
END
--=========================check if table being created exists
IF EXISTS (SELECT 1
FROM information_schema.schemata
WHERE catalog_name = 'temptable')
GOTO table_1
--=================================== get all email accounts =====================
set @tblquery = '
select ID, Email
INTO temptable
FROM
(
select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.other' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.inward' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.local' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.other' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
)data
DECLARE deptemail_cursor CURSOR FOR select id, email
from temptable where id is not null
'
--=============================================================================
--====just above you can see the cursor.. below is sending the emails
--======================================================================
exec(@tblquery)
OPEN deptemail_cursor
FETCH NEXT FROM deptemail_cursor INTO @id, @deptemail
WHILE @@FETCH_STATUS = 0
BEGIN
--If LEN(@deptemail) > 0
--BEGIN
set @to = @deptemail
EXEC @hr = sp_OACreate 'CDo.message', @MailID OUT --CDo.message |CDONTS.NewMail <-- different mail server
EXEC @hr = sp_OASetProperty @MailID ,
'Configuration.fields("http://schemas.microsoft.com/cdo/configuration/sendusing").Value','2'
EXEC @hr = sp_OASetProperty @MailID ,
'Configuration.fields("http://schemas.microsoft.com/cdo/configuration/smtpserver").Value', @smtp
EXEC @hr = sp_OASetProperty @MailID , 'From', @From
EXEC @hr = sp_OASetProperty @MailID , 'HTMLBody', @Body
EXEC @hr = sp_OASetProperty @MailID , 'Subject', @Subject
EXEC @hr = sp_OASetProperty @MailID , 'To', @to
EXEC @hr = sp_OAMethod @MailID , 'Send', NULL
EXEC @hr = sp_OADestroy @MailID
--END
FETCH NEXT FROM deptemail_cursor INTO @id, @deptemail
END
CLOSE deptemail_cursor
DEALLOCATE deptemail_cursor
Table_1:
drop table temptable
return
set @counter = @counter + 1
end
this is suppose to send email automatically to every email account that it will get from all the tables (around 250 tables).
the problem is its not sending, but if i try to take my code outside of the "SET @COUNTER = @COUNTER + 1 END" and close the if statement above, i can produce the correct result.. i'm thinking maybe its the positioning? but, there could be some overhauling needed to do with this.. sorry for posting the sp. sorry for the trouble.. please help me
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Oct 21, 2015
I have been trying to write a cursor to fetch required data from table but somehow its running forever and inserting duplicate records.
I have a temp table named getInvoice where I have five important columns
1. invoice number
2.group
3.invoice status
4. Invoice Expiration date
5. Creation date time
and some other columns.One invoice number can belong to one or more group and there can be one or more records for a particular invoice number and group.
An example is below :
InvoiceNumber Group InvoiceStatus InvoiceExpirationDate CreationDateTime
579312 01 3 NULL 2003-03-24 00:00:00
579312 01 2 2015-12-14 00:00:00 2005-12-24 00:00:00
579312 02 2 2003-12-21 00:00:00 2005-10-12 00:00:00
321244 01 2 2015-12-21 00:00:00 2005-10-12 00:00:00
321244 01 3 2010-12-21 00:00:00 2010-12-21 00:00:00
My query condition is complex and that is why Im facing problem retrieving the output.I need a cursor for getting distinct invoice number from the table and for each invoice number I need to get the latest record for each invoice number and suffix combination based on creationdateand time column and if that record has invoice status of 2 and also the invoice expiration date can be either null or greater than today's date, then I need to get that record and put it in a temp table.
The query I wrote is below
declare myData cursor for
select distinct invoiceNumber from #getInvoice
declare @invoiceNumber varchar(30)
open myData
fetch next from myData into @invoiceNumber
while @@FETCH_STATUS = 0
[Code] .....
This query runs forever and doesn't stop.
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Aug 12, 2015
In MSDN file I read about static cursor
STATIC
Defines a cursor that makes a temporary copy of the data to be used by the cursor. All requests to the cursor are answered from this temporary table in
tempdb; therefore, modifications made to base tables are not reflected in the data returned by fetches made to this cursor, and this cursor does not allow modifications
It say's that modifications is not allowed in the static cursor. I have a questions regarding that
Static Cursor
declare ll cursor global static
for select name, salary from ag
open ll
fetch from ll
while @@FETCH_STATUS=0
fetch from ll
update ag set salary=200 where 1=1
close ll
deallocate ll
In "AG" table, "SALARY" was 100 for all the entries. When I run the Cursor, it showed the salary value as "100" correctly.After the cursor was closed, I run the query select * from AG.But the result had updated to salary 200 as given in the cursor. file says modifications is not allowed in the static cursor.But I am able to update the data using static cursor.
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Apr 7, 2008
Dear All
I have no idea to write a store procedure or only query to pass a string parameter more than 4000 characters into execute() and return result for FETCH and Cursor.
Here is my query sample for yours to understand.
SET NOCOUNT ON
DECLARE @ITEMCODE int, @ITEMNAME nvarchar(50), @message varchar(80), @qstring varchar(8000)
Set @qstring = 'select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
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PRINT '-------- ITEM Products Report --------'
DECLARE ITEM_cursor CURSOR FOR
execute (@qstring)
OPEN ITEM_cursor
FETCH NEXT FROM ITEM_cursor
INTO @ITEMCODE
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT ' '
SELECT @message = '----- Products From ITEM: ' +
@ITEMNAME
PRINT @message
-- Get the next ITEM.
FETCH NEXT FROM ITEM_cursor
INTO @ITEMcode
END
CLOSE ITEM_cursor
DEALLOCATE ITEM_cursor
Why i use @qstring? It is because the query will be changed by different critiera.
Regards
Edmund
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May 10, 2015
Got a Table_A in the form of:
Cust_ID
Cust_Name
and another Table_B as:
Recording_Date
Invoice_ID
Cust_ID
Cust_Address
In such a case let's say I need a View to represent the columns:
Cust_ID (From Table_A)
Cust_Name (From Table_A)
Cust_Address (From Table_B)
However, with the Customers changing their addresses and having multiple records of different dates in Table_B how to reflect the Latest address of the same in the requisite View?In other words Cust_Id (AB), Cust_Name (CD), who as per Table_B have 100 records with three different addresses (EF, GH & IJ) spread over two years. How to fetch the only latest address in this case? i.e. a record in View_C as:
Cust_ID
Cust_Name
Cast_Address
AB
CD
IJ
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May 20, 2015
I am using the following code to get the next immediate parent of a customer in the hierarchy and it works fine. However, it works only for one customer at a time (i made this a scalar function and I pass the customer id as shown below).
How can I modify this so that i can get each customer and its next immediate parent (all of them in one shot in a single data set)?
WITH my_cte (CustomerID, ParentID, Level)
AS
(
SELECT CustomerID, ParentID, 0 AS Level
FROM [dbo].MyTable
WHERE CustomerID = @CustomerID
UNION ALL
SELECT CustomerID, ParentID, Level + 1
FROM [dbo].MyTable e
INNER JOIN my_cte AS cte ON e.CustomerID = cte.ParentID
)
select CustomerID from my_cte WHERE Level <> 0 AND Level = (SELECT MIN(Level) FROM my_cte WHERE Level <> 0)
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Apr 24, 2015
Does fetch status in nested loops conflict?I have a script that should output a cluster record line and for each cluster record it must create a line for each household in the cluster. All the data is pulled from one table, 'LFS_APRIL_2015.dbo.LISTING'.This is the script:
--VARIABLE DECLARATION
DECLARE @CLUSTER FLOAT, @HOUSEHOLD_NUMBER FLOAT, @FULL_ADDRESS CHAR(50), @HEAD_NAME CHAR(24)--CLUSTER LOOP
DECLARE CLUSTER_CURSOR CURSOR FOR
SELECT [LFS_APRIL_2015].[dbo].[LISTING].CLUSTER
from [LFS_APRIL_2015].[dbo].[LISTING] where CLUSTER IS NOT NULL and DISTRICT = 1
OPEN CLUSTER_CURSOR
[code]...
It appears however that the clusters are being repeated.
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Apr 21, 2015
I need the rows updated today in catalogue table irrelevant of timing. I tried all the below queries.
select * from CATALOGUE where CAT_DATE=CONVERT(datetime, CONVERT(varchar, GETDATE(), 101))
select * from CATALOGUE where CAT_DATE= CONVERT(date, getdate())
select * from CATALOGUE where CAT_DATE= cast(GETDATE() as date)
I am getting output only if the information updated on 04/21/2015 00.00.00.000 but not for other timings, For example
04/21/2015 03.30.00.000, 04/21/2015 07.17.00.000 and all.
How can I retrieve all the records updated today.
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Oct 28, 2015
Is there a way to fetch database usage details for multiple SQL servers (report) usirng powershell script.
Details: servername, databasename, datafile usage, logfile usage, free % age...etc.
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Jul 1, 1999
Hi all,
I need to run a long process in a cursor. I'd like to perform a special action every 10,000th row. How would you implement that using Transact-SQL?
Many thanks,
-Kevin Kline
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Oct 28, 2015
I have a Stored Procedure. In that SP, I am calling 10 table-valued user defined function to calculate different pricing charges (lets say delivery charge, fuel surcharge, etc). In that SP, there is one Temporary table to store the data required for calculating charges and some columns will hold the calculated data in the same temp table.
1. First step is loading the columns in Temporary table in the SP which are required for calculating charges (will be having 1000 records for example)
2. Second step is to calculate charges ( delivery charge, fuel surcharge, etc). for each rows(1000 rows) from the temporary table using table-valued user defined functions one by one*Call function to calculate DeliveryCharge in the SP and calculate DeliveryCharge for all 1000rows. For this step i am using cursor to loop through 1000records and find DeliveryCharge for each row and update it in the DeliveryCharge column in the same temporary table. I am using 10 cursors for 10 different price calculations in the SP
3. Finally, the SP will return that 1000 records with calculated prices. The question is how to avoid Cursor for these operations. How to pass all 1000 records to a function and get table valued results from that function and update those results in the Temporary table without using cursors?
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Jun 16, 2015
Am I using the cursor feature properly here? -- of course there would be actual processing (replacing a while loop) going on and not simple print statements.
Declare @BadgeNumber varchar(20), @name varchar(100), @phone int, @status varchar(25)
Declare cursor Cursor For
Select jt.BadgeNumber, tj.Name, jt.Phone, zt.status
From employees jt
join employeestatus zt
On jt.id = zt.id
[code]....
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Jun 16, 2015
When I run this update statement, it updates the proper badgenumbers but it only updates them to 1 when I did a count? As the data displays some of the results should be more than 1. Why did this occur?
Declare
@count int,
@Assignment varchar(100),
@fullname varchar(100),
@timeworkedtoday decimal(18,2),
@badgeNum varchar(50),
@ticket varchar(50)
[Code] ....
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May 20, 2015
I have a table which table has :Identity Column (Identity), Schema name and Table_Name.
So I would like to write a cursor For each Table Count(*) from Table--@Cnt Int , Schemaname and Tablename need to store another table.
Implement a USP, using a cursor that scan the table, generate select count statement from configuration table and fire the select count statement and record the result of the query in the log table :
how can I write a cursor and Import Those results into to Another table.
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Aug 12, 2015
I have a table which is a configuration table, I have declared cursors whereby the cursor doesn't get to all the rows in the configuration table even though there is no where clause in the select statement and the cursor ought to loop/go through every single row. Changed the cursor to the below and it started to go through all rows.
DECLARE XXX CURSOR LOCAL FORWARD_ONLY STATIC READ_ONLY TYPE_WARNING FOR
Now with the definition above, I am now having a situation whereby a column in row 1 which is a bit data type and has a value of 0, then the cursor gets to row 2 the same column but with a value of 1 and an if statement in the cursor saying
IF @row2columnX = 0 set @myval = 99
For some reason within the cursor the IF statement is being implemented even though the value in row2 columnX is = 1
I find it so weird. Is there a database property that affects the way cursors react or is there something that I am doing incorrectly ? Lastly, I would like to have a simple cursor template which simply goes through a configuration table or any table.
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Jul 23, 2015
i read in the SET ROWCOUNT documentation URL.... that 'The ROWCOUNT option does not affect dynamic cursors', it does affect my dynamic cursor created in a table function which looks like this :
CREATE FUNCTION MyTableFunction()
RETURNS @MyTable TABLE (MYFIELD INTEGER)
AS
BEGIN
DECLARE @xxx INTEGER
DECLARE My_Cursor CURSOR DYNAMIC FOR
[code]...
I would like the number of rows retruned by MyTableFunction limited to 2, but NOT the inside proc cursor's select !Set Rowcount 0 is forbidden in table function. I cannot use TOP in select * from MyTableFunction instead of setting ROWCOUNT to 2. I'm using SQL Server 2008 or 2012.
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Jul 15, 2015
After parsing unformatted XML file, we are loading XML in formatted for into a SQL table rows, so that SSIS can read it and load it to DW tables.
We have a flag column in the above table, which gets updated after each row is extracted successfully by the Procedure(cursor inside Proc) used in SSIS, but cursor inside Procedure is taking 16 hours to load 100k xml source files, if we remove cursor and use bulk load then it takes only 1.5 Hrs. but with bulk load we cannot update the flags.
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Jun 29, 2015
The requirement is create a sql script(1 proc or cursor) which will create multiple procedures dynamically.
Table A
Col1
Col2
A
Alpha
For Example: If table A has 3 rows(distinct) so 3 procedures will be created dynamically.
Result:
1 PROC_A_ALPHA
2 PROC_B_BETA
3 PROC_C_charlie
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Sep 18, 2015
I appear to be having an issue where the @LetterVal and @Numeric variables aren't resetting for each loop iteration, so if no results are found, it just returns the previous loops values since they aren't overwritten. Below is the stored procedure I've created:
ALTER PROCEDURE [dbo].[ap_CalcGrade]
-- Add the parameters for the stored procedure here
@studId int,
@secId int,
@grdTyCd char(2),
@grdCdOcc int,
@Numeric int output,
[Code] ....
And below is the "test query" I'm using:
-- *** Test Program ***
Declare @LetterVal varchar(2), -- Letter Grade
@Numeric int, -- Numeric Grade
@Result int -- Procedure Status (0 = OK)
Execute @Result = dbo.ap_CalcGrade 102, 86, 'QZ', 3,
[Code] ....
This is resulting in an output of:
A+ 97
A+ 97
C- 72
but it should be returning the output below due to the 2nd data set not being valid/found in the sp query:
A+ 97
No Find
C- 72
I'm sure this is sloppy and not the most efficient way of doing this, so whats causing the errant results, and if there is any better way I should be writing it. Below is the assignment requirements:
Create a stored procedure using the STUDENT database called ap_CalcGrade that does the following:
1. Accepts as input STUDENT_ID, SECTION_ID, GRADE_TYPE_CODE, and GRADE_CODE_OCCURRENCE
2. Outputs the numeric grade and the letter grade back to the user
3. If the numeric grade is found, return 0, otherwise return 1
4. You must use a cursor to loop through the GRADE_CONVERSION table to find the letter grade
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Sep 29, 2015
I cannot find the problem with this function.
ALTER function [Event].[DetermineTrackTime](@TrialID varchar(max)) returns int as
begin
Declare @ret int;
Declare @EnterVolumeTime int;
Declare @ExitVolumeTime int;
Declare @StartTrackTime int;
[code]....
I am getting the following error on line 75:
Select statements included within a function cannot return data to a client.
This is happening when declaring TrackUpdateCursor
The compiler has no problem with the VolumeTimesCursor. What is causing this and what can I do about it?
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