Function With A Tablename As Variable
Feb 7, 2006
Dear all,
Can someone help me with the following function? I would like to use a table name as a variable.
Thanks in advance!
CREATE FUNCTION FAC_user.Overzicht_DTe (@tabel1 as nvarchar, @proces as nvarchar, @categorie as nvarchar)
RETURNS numeric AS
BEGIN
declare @aantal numeric
if @proces = 'Inhuizen'
begin
if @categorie = 'open_op_tijd'
begin
SET @aantal =(SELECT Count(@tabel1 + '.Contractnummer')
FROM @tabel1, Rapportageweek
WHERE@tabel1.Verwerkingsdatum is null
AND @tabel1.UiterlijkeVerwDatum >= Rapportageweek.Rapportagedatum
AND @tabel1.ItemType = 'ZVHG'
AND @tabel1.ItemType = 'ZVHN'
AND @tabel1.ItemType = 'ZVIG'
AND @tabel1.ItemType = 'ZVIN'
GROUP BY@tabel1.Maand, @tabel1.Jaar)
end
if @categorie = 'open_te_laat'
begin
SET @aantal =(SELECT Count(@tabel1 + '.Contractnummer')
FROM @tabel1, Rapportageweek
WHERE@tabel1.Verwerkingsdatum is null
AND @tabel1.UiterlijkeVerwDatum < Rapportageweek.Rapportagedatum
AND @tabel1.ItemType = 'ZVHG'
AND @tabel1.ItemType = 'ZVHN'
AND @tabel1.ItemType = 'ZVIG'
AND @tabel1.ItemType = 'ZVIN'
GROUP BY@tabel1.Maand, @tabel1.Jaar)
end
end
return @aantal
END
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Oct 12, 2005
I am currently using a cursor to scroll through sysobjects to extract table names and then extracting relevant column names from syscolumns.
I then need to run the following script:
declare Detail_Cursor cursor for
select @colname, max(len(@colname)) from @table
The message I receive is "must declare variable @table".
Immediately prior to this script I printed out the result of @table which works fine so the variable obviously is declared and populated.
Can anyone let me know what I'm doing wrong or how I can get the same result.
Thanks
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Sep 19, 2007
I have a stored procedure that accepts the table name as a parameter. Is there anyway I can use this variable in my select statement after the 'from' clause. ie "select count(*) from @Table_Name"?
When I try that is says "Must declare the table variable @Table_Name". Thanks!
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Jul 1, 1999
I am trying to create a stored procedure for automating Bulk inserting into tables
for one database to another.
Is there any way i can pass the table name as variable to insert and select stmt
thanks in advance
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Aug 28, 2007
We are trying to create a unique key from a table with indentity set in the table. We will have a number of these tables. Therefore, we will be creating a stored procedure and passing the table as a parameter. In this example we are setting the table.
When we run the the script, the output clause from the insert should give us a unique number from the given table in the temporary table. This example stores the output in a temporary table @tTemp.
How can you use a variable table name and retrieve the output from the Insert?
declare @tTestTable varchar (20)
set @tTestTable = 'mis.test_sequence'
--DECLARE @tTestTable TABLE ( sqVal [int] IDENTITY(1,1) NOT NULL, add_date datetime)
declare @testsql varchar (4000), @testseq int
DECLARE @tTemp table (mainpk int)
set @testsql = 'DECLARE @tTemp table (mainpk int) INSERT ' + @tTestTable + ' OUTPUT INSERTED.sqVal into @tTemp VALUES (getdate() ) SELECT @testseq=mainpk FROM @tTemp'
select @testsql
EXECUTE sp_executesql @testsql, N'@testseq int output,@tTemp table (mainpk int),@tTemp table (mainpk int) ',@tTemp,@tTemp,@testseq output,@tTemp
SELECT * FROM @tTemp
Please help
Thanks Tim.
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May 6, 2015
I am using a sql task to get all tablenames and then passing the output to another sql task inside a for each container.
So that the 2nd sql task will be executed for each table. My query looks like SELECT DISTINCT b.EmailAddress FROMÂ ? ......
Since I am passing the tablename as a variable (output from the 1st sql task), I get the following error:
[Task Execute SQL] Error:
Failed to execute the query 'SELECT DISTINCT b.EmailAddress FROM? AS a INNER... ':' Failed to extract
the result in a variable of type (DBTYPE_I4)'. Possible causes include the following: Problems with the query, not properly fixed ResultSet property, not properly set parameters or not properly established connection.
how to pass a tablename as a variable to a query?
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Oct 15, 2007
I am in the middle of taking course 2073B €“ Programming a Microsoft SQL Server 2000 Database. I noticed that in Module9: Implementing User-Defined Functions exercise 2, page 25; step 2 is not returning the correct answer.
Select employeeid,name,title,mgremployeeid from dbo.fn_findreports(2)
It returns manager id for both 2 and 5 and I think it should just return the results only for manager id 2. The query results for step 1 is correct but not for step 2.
Somewhere in the code I think it should compare the inemployeeid with the previous inemployeeid, and then add a counter. If the two inemployeeid are not the same then reset the counter. Then maybe add an if statement or a case statement. Can you help with the logic? Thanks!
Here is the code of the function in the book:
/*
** fn_FindReports.sql
**
** This multi-statement table-valued user-defined
** function takes an EmplyeeID number as its parameter
** and provides information about all employees who
** report to that person.
*/
USE ClassNorthwind
GO
/*
** As a multi-statement table-valued user-defined
** function it starts with the function name,
** input parameter definition and defines the output
** table.
*/
CREATE FUNCTION fn_FindReports (@InEmployeeID char(5))
RETURNS @reports TABLE
(EmployeeID char(5) PRIMARY KEY,
Name nvarchar(40) NOT NULL,
Title nvarchar(30),
MgrEmployeeID int,
processed tinyint default 0)
-- Returns a result set that lists all the employees who
-- report to a given employee directly or indirectly
AS
BEGIN
DECLARE @RowsAdded int
-- Initialize @reports with direct reports of the given employee
INSERT @reports
SELECT EmployeeID, Name = FirstName + ' ' + LastName, Title, ReportsTo, 0
FROM EMPLOYEES
WHERE ReportsTo = @InEmployeeID
SET @RowsAdded = @@rowcount
-- While new employees were added in the previous iteration
WHILE @RowsAdded > 0
BEGIN
-- Mark all employee records whose direct reports are going to be
-- found in this iteration
UPDATE @reports
SET processed = 1
WHERE processed = 0
-- Insert employees who report to employees marked 1
INSERT @reports
SELECT e.EmployeeID, Name = FirstName + ' ' + LastName , e.Title, e.ReportsTo, 0
FROM employees e, @reports r
WHERE e.ReportsTo = r.EmployeeID
AND r.processed = 1
SET @RowsAdded = @@rowcount
-- Mark all employee records whose direct reports have been
-- found in this iteration
UPDATE @reports
SET processed = 2
WHERE processed = 1
END
RETURN -- Provides the value of @reports as the result
END
GO
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Jun 4, 2008
declare @number int
set @number = 100
SELECT emp_id AS emp_num,
fname AS first,
minit AS middle,
lname AS last,
IDENTITY(int, @number, 1) AS job_num,
job_lvl AS job_level,
pub_id,
hire_date
INTO employees
FROM employee
Is there any way i can use variable inside the identity function like in the above example?.
Is there any other alternative?
Thanks in advance
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Aug 30, 2006
Hi!
I have a function that uses a constant value on its calculations. This value is defined on a table. I don't want to query this table everytime I call the function (I call it on a loop from my Java code). Is there anything like a static variable I could use?
Thank you!
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May 1, 2006
I could successfully modify the package level variable using a script component (Control Flow Level) and execute the data flow task after this script component. The OLE DB Command has one parameter for which I'm using one of the user variable. Here's the SQL statement.
SELECT Year_Key, Year_Name, Year_Short_Name, Year_Number, Year_Start_Date, Year_End_Date
FROM d_Time_School_Year
WHERE (Year_Key = ?)
This works fine. But I want to pass the year_key to a function which accepts a parameter. The SQL should be like this
SELECT Year_Key, Year_Name, Year_Short_Name, Year_Number, Year_Start_Date, Year_End_Date
FROM fn_TimeDimension (?)
But SSIS doesn't like this. When I click on parameters command button I get and error like this
"Parameters cannot be extracted from the SQL command. The provider might not help.........
Syntax error, Permission Violation, or the non-specific error(Microsoft SQL native Client)"
Any clue how to utilize the variables in a SQL which gets data from a function instead of a table?
Thanks
Jemini Joseph
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Jul 30, 2007
Hi,I have a sql 2005 function who return a distance from 2 zipcodes. This function is called from a Stored procedure like this :SELECT *, dbo.fn_GetDistance (...) AS DistanceIn this function, i have a Latitude and i want this Latitude to be also returned.It is possible or a function can return only one variable?If it is possible, what's the syntax of it?Thanks in advance
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Aug 29, 2013
I have cursor that loops through a table (the table only contains columnnames of several tables) the cursor has a variable declared @columnname. when i run the following it works fine
select @columnname,0,0,0,0
from temp_prt
it gives me my expected output
mtr_5120,0,0,0,0
mtr_3247,0,0,0,0
mtr_5160,0,0,0,0
etc........
now i want to get the min of each column name like so
select @columnname,min(mtr_5120),0,0,0
from temp_prt ------> this works for min(mtr_5120)
mtr_5120,34.5,0,0,0
now I want to generalize so I try to pass in the variable name and I do the following
select @columnname,min(@columnname),0,0,0
from temp_prt
(the columname (@columnname) exists in the table temp_prt)
but now i get an error
Msg 8114, Level 16, State 5, Line 29
Error converting data type varchar to decimal.how can i pass the colunmame into the min and max functions or is that at all ppossible. I also tried the following:
select @columnname,'min(' + @columnname + ')',0,0,0
from temp_prt
but i get the same error
Msg 8114, Level 16, State 5, Line 29
Error converting data type varchar to decimal.
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Jan 14, 2008
I have not been able to find the answer as to why the LEFT() function doesn't see the variable as being a variable.
I originally thought it did not accept a variable as the first parameter, however the definition says it can be a variable.
Anyone knows why this isn't working?
This is how I have the code:
SELECT LEFT(@tpatdata, CHARINDEX('^', Alert1) -1)
the variable @tpatdata is the column name (tablename.Alert1), iif I rewrite it like this:
SELECT LEFT(tablename.Alert1, CHARINDEX('^', Alert1) -1) it works.
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Aug 11, 2006
is it possible to pass a variable to an identity funtion
example
declare @max_note int
select @max_note = max(key ) from notes
select m_key = identity( int, @max_note, 1),
name
into #prod_note
from prod_note
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May 23, 2007
Hello to all,
I hope that somebody can help me.
I have written a sql query to search Partner. I have a wtcomValidRelationships Table. There are two Fields (IDMember(type: Int) and RelationshipIDs(type: varchar(1000)) in this table.
Example: 3418 has 3422 RelationshipID and 3422 has 4088 RelationshipID, if i want to check if there is a relationship between 3418 and 4088.
declare @IDM int;
declare @IDO char(100);
set @IDM = 3418;
set @IDO = '4088';
select B.IDMember
from wtcomValidRelationships as A, wtcomValidRelationships as B
where A.IDMember = @IDM and charindex(cast(B.IDMember as char(100)),A.RelationshipIDS) > 0
and charindex(@IDO,B.RelationshipIDs) > 0
Using this query i get nothing.
I try to use constant in charindex and i get result.
declare @IDM int;
declare @IDO char(100);
set @IDM = 3418;
set @IDO = '4088';
select B.IDMember
from wtcomValidRelationships as A, wtcomValidRelationships as B
where A.IDMember = @IDM and charindex('3422',A.RelationshipIDS) > 0
and charindex('4088',B.RelationshipIDs) > 0
So i think that charindex doesn't work with variable. But I must use variable. Can someone help me? What should i do ?
Thanks
Best Regards
Pinsha
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Feb 1, 2006
Hi all can you help me, I know that I am doing some thing wrong. What I need to do is set a variable to the current date so I can use it in a SQL query to an access database. This is what I have so far
<script runat="server"">
Sub Page_Load
dim --all the variables for my sql connections--
dim ff1 As Date
then my sql connection and queries
sql="SELECT FullRate, " & ff1 &" FROM table1 WHERE hotelnumber = " & hotel
This works is I set ff1 as a string and specify the string (my column headings are set as dates in my table)
dim ff1 As string
ff1="30/01/2006"
but I need ff1 to be the current date and is I use ff1 As date it returns time and date
Is there any way to set ff1 to the current date in this format "dd/mm/yyyy"
Any help is greatly appreciated
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Jul 9, 2001
Is there any way to use table variable as input to a function or stored procedure?
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Apr 4, 2014
I am having a hard time getting a variable recognized in a function. The variable is not being seen properly in the charindex function.
@ExtType contains = X
@PhoneNo contains = +1 (202) 123-9876 X012
select @intPos = charindex(@ExtType,Upper(@PhoneNo))
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Dec 8, 2007
I have created a function with:
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
ALTER FUNCTION [dbo].[fn_concat_boxes](@item varchar, @week int)
RETURNS VARCHAR(100)
AS
BEGIN
DECLARE @Output varchar(100)
SELECT @Output = COALESCE(@Output + '/', '') +
CAST(quantity AS varchar(5))
FROM flexing_stock_transactions
WHERE item = @item AND week = @week
GROUP BY quantity
ORDER BY quantity
RETURN @Output
END
how can I pass the variable @item correctly for the string comparison
WHERE item = @item AND week = @week
to work correctly please?
WHERE item = '@item' AND week = @week
won't work and
WHERE item = @item AND week = @week
won't work.
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Dec 26, 2007
Hello, thanks in advance for reading this. I am having difficulty trying to get a statement to work.
There is a MAIN table:
ItemNo int identity(1,0),
ItemType tinyint
There is a WETPAINT table:
ItemNo int,
Color varchar(20)
There is a DRYPAINT table:
ItemNo int,
Color varchar(20)
Now, what I want to do is JOIN the MAIN table to either the WETPAINT table or the DRYPAINT table depending on the value of MAIN.ItemType
So I created a table function called getTable:
CREATE FUNCTION [dbo].[gettable]
(
@ItemType int = 1
)
RETURNS
@thistable TABLE
(
Color varchar(20)
)
AS
BEGIN
if @ItemType = 1
insert into @thistable (color) select color from WETPAINT
if @ItemType = 2
insert into @thistable (color) select color from DRYPAINT
RETURN
END
This is all fine and dandy if I iterate through the MAIN table one row at a time, but how can I JOIN the tables, like:
SELECT MAIN.ItemNo, a.Color
FROM MAIN
INNER JOIN gettable(Main.ItemNo) as a
ON a.ItemNo = MAIN.ItemNo
Obviously, there is more than one field in the DRYPAINT and WETPAINT tables, and there is a need to have both tables instead of combining them into one.
Any help in how to create a table alias by passing a value from the select statement would be greatly appreciated! Thanks again.
PS -- I am trying to create a view with this, so I can't use variables and iterate through the MAIN table one row at a time.
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Aug 12, 2006
I am getting wrong output when assigning a datepart function to a variable. I should get 2006 but instead I get an output 1905.
Below is the code and output. Any help will be greatly appreciated. Thanks
DECLARE @FiscalStartCurrYear datetime
SET @FiscalStartCurrentYear = DATEPART(year, GETDATE())
select @FiscalStartCurrYear
Output
-----------
1905-06-30 00:00:00.0000
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Nov 6, 2002
Hi all,
Is it possible to pass a table variable to a Stored proc or a function?
If it is can you give me the sentax.
TIA,
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Sep 26, 2007
Hi,
i am encountering a problem in a stored procedure when a pass a variable value into a table-valued function. The table-valued function is named getCurrentDriver and has 1 attribute: car-ID.
The syntax is as follows:
select car.id, car.licenceNumber, car.brand, car.model,
(select driverName from getCurrentDriver(car.id)) as driverName
from car
When I try to compile I get following error on the line of the function:
Incorrect syntax near '.'
The database version is SQL Server 2000 SP3.
What am I doing wrong? Is there a workaround for this error?
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May 18, 2007
Hi, I'm having trouble with this multi-statement table-valued function:
ALTER FUNCTION MakeArDetail
(
-- Add the parameters for the function here
@dateStart DATETIME,
@dateEnd DATETIME
)
RETURNS @arDetail TABLE
(
Insurer VARCHAR(50),
NABP INT DEFAULT 0,
Claim MONEY DEFAULT 0,
Payment MONEY DEFAULT 0,
NumRx CHAR(7),
PatientName VARCHAR(50),
Paid030 MONEY DEFAULT 0,
Paid3160 MONEY DEFAULT 0,
Paid6190 MONEY DEFAULT 0,
Paid91120 MONEY DEFAULT 0,
Paid121 MONEY DEFAULT 0
)
AS
BEGIN
DECLARE @arTemp TABLE
(
Insurer VARCHAR(50),
NABP INT DEFAULT 0,
Claim MONEY DEFAULT 0,
Payment MONEY DEFAULT 0,
NumRx CHAR(7),
PatientName VARCHAR(50),
Paid030 MONEY DEFAULT 0,
Paid3160 MONEY DEFAULT 0,
Paid6190 MONEY DEFAULT 0,
Paid91120 MONEY DEFAULT 0,
Paid121 MONEY DEFAULT 0
)
INSERT INTO @arTemp
SELECT DISTINCT Insurer,NABP,0,0,NumRx,Patient,0,0,0,0,0 FROM Pims;
UPDATE @arTemp SET Claim =
(SELECT SUM(Pims.AmtReq)
FROM Pims
WHERE Pims.Insurer = @arTemp.Insurer AND
Pims.NABP = @arTemp.NABP AND
Pims.NumRx = @arTemp.NumRx
);
INSERT INTO @arDetail SELECT * FROM @arTemp
RETURN
END
GO
I get
Msg 137, Level 15, State 2, Procedure MakeArDetail, Line 43
Must declare the scalar variable "@arTemp".
I don't understand why SQL thinks @arTemp is a scalar variable which has to be declared.
If I don't include the UPDATE command the thing works.
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Jun 1, 2015
i have a column with mulitple ids stored with commas . i want to pass ids and get data along with name from the table..how to get multiselect value in a variable in sql server functionÂ
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Aug 9, 2014
I'm trying to create a simple function that will do a count on a table. I want to pass the table name in form of a parameter to the variable and this function will return the count as an int. See my function below...
CREATE FUNCTION count_rows (@tablename varchar(100)
RETURNS int AS
BEGIN
DECLARE @emp_count AS int
declare @declaration varchar(100)
[Code] ....
The errors I am getting are as follows:
Msg 102, Level 15, State 1, Procedure count_rows, Line 3
Incorrect syntax near 'RETURNS'.
Msg 102, Level 15, State 1, Procedure count_rows, Line 10
Incorrect syntax near '@declaration'.
Msg 178, Level 15, State 1, Procedure count_rows, Line 14
A RETURN statement with a return value cannot be used in this context.
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May 26, 2015
I tend to learn from example and am used to powershell. If for instance in powershell I wanted to get-something and store it in a variable I could, then use it again in the same code. In this example of a table order items where there are order_num, quantity and item_prices how could I declare ordertotal as a variable then instead of repeating it again at "having sum", instead use the variable in its place?
Any example of such a use of a variable that still lets me select the order_num, ordertotal and group them etc? I hope to simply replace in the "having section" the agg function with "ordertotal" which bombs out.
select order_num, sum(quantity*item_price) as ordertotal
from orderitems
group by order_num
having sum(quantity*item_price) >=50
order by ordertotal;
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Feb 12, 2005
i need to develop a stored procedue, in ehich i have to use variable table name.. as Select * from @tableName but i m unable to do so..
it says u need to define @tablename
heres da code
CREATE PROCEDURE validateChildId
(
@childId int,
@tableName varchar(50),
@fid int output
)
AS
(
SELECT @fid=fid FROM @tableName
where @childId= childId
)
if @@rowcount<1
SELECT
@fid = 0
GO
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Aug 2, 2007
Hi,
i just migrated an database from oracle to sql server 2005 with the migration tool from microsoft (v3). the migration tool works only with uppercase table and column names, but i need them in lower case. is there a way to modify the names of tables and columns with t-sql to lower case?
Thx
Frank
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Apr 23, 2015
I need to create an output from a T-SQL query that picks a numeric variable and uses the print function to output with leading zeroes if it is less than three characters long when converted to string. Â For example if the variable is 12 the output should be 012 and if the variable is 3 the output should be 003.
Presently the syntax I am using is PRINT STR(@CLUSTER,3) .  But if @CLUSTER which is numeric is less than three characters I get spaces in front.
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Jul 20, 2000
Does anyone know the syntax to reference a table in a stored procedure using a parameter? I'm trying to make a stored procedure that will "SELECT INTO" a table as the passed parameter. I keep getting an syntax error when I use this:
CREATE PROCEDURE make_table
@tablename varchar(20)
AS
SELECT * FROM old_table
INTO @tablename
I've tried it several ways, but I can't get it to work, and I haven't found any examples of this anywhere. Thanks in advance for any tips.
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Apr 30, 2004
Hi,
What is the difference between
<Tablename> . . <ColumnName> and <Tablename> . <ColumnName>
this syntax we are using in Storedprocedures.
In SQL 2000, <Tablename> . . <ColumnName> is not working
Eg:
Tablename =a
Column Name = b
Difference between a..b and a.b
Can anyone let me know.
TIA,
Ravi
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Sep 16, 2006
I know there has already been a thread on this, but I want to push some about it.
In SQL Server, there is a command "SET IDENTITY_INSERT tablename ON".
That allows you to update IDENTITY columns, or do INSERTs that include IDENTITY columns. Although a work-around was given for this in the other thread (reset the IDENTITY seed to the desired value before each INSERT), that is a major pain.
In my database, I have a table that tracks charitable donors. They have a donornum, that is an IDENTITY column, and a year. Together, the donornum and the year form the primary key. Each year end, a copy is made of all donor records in one year, to form the next year's donors. They have to keep the same donornum, but they get a new year value of course. Adding new donors uses the donornum normally, incrementing the IDENTITY donornum value.
The advantage of this is that you can match up one year's donors with the previous year's, by joining on donornum. But I need there to be separate records, so they can have separately updated addresses, annual pledge amounts, etc.
Is there any way the SET IDENTITY_INSERT feature can be added to SQL Everywhere, or some other approach can be found that is less laborious than the existing work-around? (The problem with it is that if you have hundreds of donors to copy, you have to do one ALTER TABLE to reset the identity seed for each donor insert for the new year.)
Thanks.
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