SQL Server User Defined Function Treating String As Integer

Oct 3, 2006

I have a User Defined Function in my SQL Server 2000 database which takes a string and adds an integer quantity to it.  The function basically takes the string (string because of first character and spaces) and adds an integer to it creating a new number (starting number and ending number concept).
If I pass in a string that has a letter for the first character, it works fine.  However, if the first character is an integer it trims out all 0s and whitespace and ruins the necessary formatting.  Note, the formatting is always the same - x xxx xxxx xx.   Any help or ideas would be appreciated.
Example:
D 499 8900 01     plus a Quantity of 10 returns D 499 89000 11  which is perfect.

However,
0 076 0000 03     plus a Quantity of 1 returns  764  764     (it should be 0 076 0000 04)
------------------------------------
CREATE FUNCTION  [dbo].[NEW_End_NR2](
  @OldStr as char(20), @Quantity int
 )
RETURNS @NewNR_Tbl TABLE (New_EndNr char(20) primary key)
AS 
BEGIN
 DECLARE @NewStr  char(20)
 DECLARE @addNr  integer
BEGIN
 
 Set @addNr = @Quantity
 set @NewStr = (select REPLACE(@OldStr,left(@OldStr, 1),''))
 set @NewStr = (select REPLACE(@NewStr,' ', ''))  + @addNr
 set @NewStr = (SELECT left(@OldStr, 1) +
   SPACE(1) + left(@NewStr,3) +
   SPACE(1) + left(REPLACE(@NewStr, left(@NewStr,3), ''), 4) +
   SPACE(1) + left(REPLACE(@NewStr, left(@NewStr,7), ''), 3))
 BEGIN
  INSERT INTO @NewNR_Tbl (New_EndNr) VALUES(@NewStr)
 END
 
END
    RETURN
END

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Jul 20, 2005

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Msg 207, Level 16, State 1, Line 1

Invalid column name 'srv2000'.

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Function:
-----------------------------------
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(
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[Code] ....

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[OT] User-Defined String Functions MS SQL Server 2005 Transact-SQL SQLCLR .Net

Feb 7, 2006

User-Defined string Functions MS SQL Server 2005 Transact-SQL SQLCLR (VB. Net, C#.Net, C++. Net)

Ladies and Gentlemen,

I am pleased to offer, free of charge, the following string functions MS SQL Server 2005 Transact-SQL SQLCLR (VB. Net, C#.Net, C++. Net):

AT(): Returns the beginning numeric position of the nth occurrence of a character expression within another character expression, counting from the leftmost character.
RAT(): Returns the numeric position of the last (rightmost) occurrence of a character string within another character string.
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OCCURS2(): Returns the number of times a character expression occurs within another character expression (excluding overlaps).
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PADC(): Returns a string from an expression, padded with spaces or characters to a specified length on the both sides.
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STRTRAN(): Searches a character expression for occurrences of a second character expression, and then replaces each occurrence with a third character expression. Unlike a built-in function Replace, STRTRAN has three additional parameters.
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GETWORDCOUNT(): Counts the words in a string.
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RCHARINDEX(): Similar to the Transact-SQL function Charindex, with a Right search.
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ROMANTOARAB(): Returns the number equivalent of a specified character Roman numeral expression (from I to MMMCMXCIX).

AT, PADL, PADR, CHRTRAN, PROPER: Similar to the Oracle functions PL/SQL INSTR, LPAD, RPAD, TRANSLATE, INITCAP.

Plus, there are CHM files in English, French, Spanish, German and Russian.

Plus, there are versions for MS SQL SERVER, SYBASE ASA, DB2, Oracle.

More than 8000 people have already downloaded my functions. I hope you will find them useful as well.

For more information about string UDFs MS SQL Server 2005 Transact-SQL SQLCLR (VB. Net, C#.Net, C++. Net) please visit the
http://www.universalthread.com/wconnect/wc.dll?LevelExtreme~2,54,33,29527

Please, download the file
http://www.universalthread.com/wconnect/wc.dll?LevelExtreme~2,2,29527

With the best regards.

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I really don't want to rewrite the whole script .
Code---------------------------------------------------------
SET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS OFF GO
--DROP FUNCTION GetStartDate
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---------------------------------------------------------------------------------------------

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Aug 17, 2005

Hi everyone,
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AS
BEGIN
declare @i1 varchar(200)
declare @i2 varchar(200)
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AS
BEGIN
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Nov 10, 2004

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REATE PROCEDURE usp_GetXSection

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@fHeight float,
@fResult float OUTPUT

AS
BEGIN
set @fResult = [dbo].[XSECTION](@fWidth, @fHeight)
END
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Ane the following UDF


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RETURNS float
AS
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RETURN (@Width * @Height)
END


I call it using ADO in a c++ application, but all returns empty

Any ideas? C++ code to follow.

Mike B


void CFormTemplateSetup::OnCalculate()
{
_CommandPtr pCmd(__uuidof(Command));
_ParameterPtr pWidth(__uuidof(Parameter));
_ParameterPtr pHeight(__uuidof(Parameter));
_ParameterPtr pResult(__uuidof(Parameter));

try
{
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::AfxMessageBox(e.Description());
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Hi,
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End Function

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Hi,

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Hi,
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It gives error.

--------------------------------------------------------------------------
use pubs
go

createFUNCTION SalesByStore (@storeid datetime)
RETURNS TABLE
AS
RETURN (SELECT top 5 title, qty
FROM sales s, titles t

)
go


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Hi,
I posted a question sometime back about any one has written a function which converts a given date to a a new timezone.

As it turns out I have actually written the function and it is functionally sound.

the issue I am not facing is the performace.

The Algorithm is pretty simple.
step 1
I have create a table called TZ1 which has the TImezoneCODE (PST,EST..), daylightsavingsstart (DATETIME on which the daylight savings start), daylightsavingsend ( end of DLS) and offset (EG -8 for PST, -5 for EST etc)

step 2
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Step 3
Depending on where the date lies I create a new date by adding offset to the original datetime (+1) for the new date and then return this new datetime.

As simple as this looks the response time is 16 times than that of a select statement without the function.

Do you see something that I can tune to get a better response time.

Heres my code


================================================== ================================================== ================================================== ================================================== ==================================

CREATE FUNCTION TC3
-- drop function tc3
(@dt datetime, @Src varchar(10), @Dest varchar(10))
Returns datetime
begin
declare @v_src varchar(10)
Declare @v_dest varchar(10)
declare @V_dt datetime
declare @v_newdt datetime
declare @v_year int
declare @v_offset float
declare @v_sd datetime
declare @v_ed datetime

-- select * into TZ1 from TZ1
-- create table #tz1 (fn int)

select @v_year = datepart (year, @dt)

if (@v_year between 2000 and 2004)
begin
-- -------------------
-- PST BEgin
-- -------------------
if (@dest = 'PST')
begin
-- select * from TZ1
select @V_year = datepart (year, @dt)

select @v_offset = offset,
@v_sd = daylightsavingsstart,
@v_ed = daylightsavingsend
from TZ1
where
@V_YEAR = YEAR
and timezonecode = @dest
-- AND @DT between daylightsavingsstart and daylightsavingsend

if (@dt between @v_sd and @v_ed )
begin
-- ( select @v_newdt = dateadd (hh, -9, @dt) )
select @v_newdt = dateadd (hh, CAST( @v_offset as int)-1 , @dt)
end
else
begin
-- ( select @v_newdt = dateadd (hh, -8, @dt) )
select @v_newdt = dateadd (hh, @v_offset, @dt)
end -- if dt between daylight savings

return @v_newdt
end -- @dest=pst end
-- -------------------
-- PST END
-- -------------------
-- -------------------
-- EST BEGIN
-- -------------------

ELSE

if (@dest = 'EST')
begin

select @V_year = datepart (year, @dt)

select @v_offset = offset,
@v_sd = daylightsavingsstart,
@v_ed = daylightsavingsend
from TZ1
where
@V_YEAR = YEAR
and timezonecode = @dest

if (@dt between @v_sd and @v_ed )
begin
-- ( select @v_newdt = dateadd (hh, -9, @dt) )
select @v_newdt = dateadd (hh, CAST( @v_offset as int)-1 , @dt)
end
else
begin
-- ( select @v_newdt = dateadd (hh, -8, @dt) )
select @v_newdt = dateadd (hh, @v_offset, @dt)
end -- if dt between daylight savings


return @v_newdt

end -- @dest=Est end

-- -------------------
-- EST END
-- -------------------

-- -------------------
-- HST BEgin
-- select * from timezones
-- -------------------
else
if (@dest = 'HST')
begin

select @V_year = datepart (year, @dt)

select @v_offset = offset,
@v_sd = daylightsavingsstart,
@v_ed = daylightsavingsend
from TZ1
where
@V_YEAR = YEAR
and timezonecode = @dest

if (@dt between @v_sd and @v_ed )
begin
-- ( select @v_newdt = dateadd (hh, -9, @dt) )
select @v_newdt = dateadd (hh, CAST( @v_offset as int) , @dt)
end
else
begin
-- ( select @v_newdt = dateadd (hh, -8, @dt) )
select @v_newdt = dateadd (hh, @v_offset, @dt)
end -- if dt between daylight savings


return @v_newdt

end -- @dest=Ast end

-- -------------------
-- HST END
-- -------------------

-- -------------------
-- MST BEgin
-- select * from timezones
-- -------------------
else
if (@dest = 'MST')
begin

select @V_year = datepart (year, @dt)

select @v_offset = offset,
@v_sd = daylightsavingsstart,
@v_ed = daylightsavingsend
from TZ1
where
@V_YEAR = YEAR
and timezonecode = @dest

if (@dt between @v_sd and @v_ed )
begin
-- ( select @v_newdt = dateadd (hh, -9, @dt) )
select @v_newdt = dateadd (hh, CAST( @v_offset as int)-1 , @dt)
end
else
begin
-- ( select @v_newdt = dateadd (hh, -8, @dt) )
select @v_newdt = dateadd (hh, @v_offset, @dt)
end -- if dt between daylight savings

return @v_newdt

end -- @dest=Mst end

-- -------------------
-- MST END
-- -------------------

else
return '19990909'
end -- year end

return @v_newdt


end





================================================== ================================================== ================================================== =============================================

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Is it possible to call a user-defined function without prefixing itwith 'dbo.' within a SELECT clause somehow? Just curious; it's not abig issue but just a stylistic one for me.Thanks!Joel Thornton ~ <groups@joelpt.eml.cc>

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