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INSTR Function In MSSQL


Hi everybody,

I was looking for an equivalent ORACLE INSTR Function in MSSQL but I
don´t found it and I don´t know if it exist so I must to write it and
this is the code. Maybe it will be helful to you:

/************************************************** *************************
Description:
Looks for a string inside another string and returns an integer
that correspond to the position of first ocurrence.
Parameters:
Input:
- strSource. Contains the string where the functions look for the
other string
- strToFind. Contains the string to look for inside strSource
Salida:
- Integer value indicating the position of first occurrence of
strToFind in strSource
************************************************** *************************/

CREATE FUNCTION posSubString
(@strSource varchar(400),
@strToFind varchar(200)) RETURNS int
AS

BEGIN

DECLARE
@position int,
@maxPos int,
@longSubStr int,
@res int,
@strSub varchar(200)

SET @position = 0
SET @res = 0
SET @longSubStr = LEN(RTIRM(LTRIM(@strToFind)))
SET @maxPos = LEN(@strSource) - @longSubStr


WHILE (@position <= @strToFind)
BEGIN
SET @strSub = SUBSTRING(@strSource, @position, @longSubStr)

IF (@strToFind = @StrSub)
BEGIN
SET @res = @position - 1
RETURN @res
END
ELSE
SET @position = @position + 1
END


RETURN @res

END



Alonso


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i hope to have the answer because i need it so much.

 

Maylo

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Hi!

What is the best way to migrate MSSQL 2005 Express -> MSSQL 2005 Srv?

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I get this error when i used into storeprocedure :
ROW_NUMBER() function is not recognized in store procedure.
i used MS SQL SERVER 2005 , so i think "ROW_FUNCTION()" is not in MS SQL SERVER 2005 database library.
I need to add that function into MS SQL SERVER 2005 database library.
Can anbody know how we can add that function into MS SQL SERVER 2005 database library?
 

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I want to write function to call another function which name isparameter to first function. Other parameters should be passed tocalled function.If I call it function('f1',10) it should call f1(10). If I call itfunction('f2',5) it should call f2(5).So far i tried something likeCREATE FUNCTION [dbo].[func] (@f varchar(50),@m money)RETURNS varchar(50) ASBEGINreturn(select 'dbo.'+@f+'('+convert(varchar(50),@m)+')')ENDWhen I call it select dbo.formuła('f_test',1000) it returns'select f_test(1000)', but not value of f_test(1000).What's wrong?Mariusz

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Error While Creating Inline Function - CREATE FUNCTION Failed Because A Column Name Is Not Specified For Column 1.
 

Hi,

 

I am trying to create a inline function which is listed below.

 

USE [Northwind]

SET ANSI_NULLS ON

GO

CREATE FUNCTION newIdentity()

RETURNS TABLE

AS

RETURN

(SELECT ident_current('orders'))

GO

 

while executing this function in sql server 2005 my get this error

CREATE FUNCTION failed because a column name is not specified for column 1.

 

Pleae help me to fix this error

 

thanks

Purnima

 

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Ok, I'm pretty knowledgable about T-SQL, but I've hit something that seems should work, but just doesn't...
I'm writing a stored procedure that needs to use the primary key fields of a table that is being passed to me so that I can generate what will most likely be a dynamically generated SQL statement and then execute it.
So the first thing I do, is I need to grab the primary key fields of the table.  I'd rather not go down to the base system tables since we may (hopefully) upgrade this one SQL 2000 machine to 2005 fairly soon, so I poke around, and find sp_pkeys in the master table.  Great.  I pass in the table name, and sure enough, it comes back with a record set, 1 row per column.  That's exactly what I need.
Umm... This is the part where I'm at a loss.  The stored procedure outputs the resultset as a resultset (Not as an output param).  Now I want to use that list in my stored procedure, thinking that if the base tables change, Microsoft will change the stored procedure accordingly, so even after a version upgrade my stuff SHOULD still work.  But... How do I use the resultset from the stored procedure?  You can't reference it like a table-valued function, nor can you 'capture' the resultset for use using the  syntax like:
DECLARE @table table@table=EXEC sp_pkeys MyTable
That of course just returns you the RETURN_VALUE instead of the resultset it output.  Ugh.  Ok, so I finally decide to just bite the bullet, and I grab the code from sp_pkeys and make my own little function called fn_pkeys.  Since I might also want to be able to 'force' the primary keys (Maybe the table doesn't really have one, but logically it does), I decide it'll pass back a comma-delimited varchar of columns that make up the primary key.  Ok, I test it and it works great.
Now, I'm happily going along and building my routine, and realize, hey, I don't really want that in a comma-delimited varchar, I want to use it in one of my queries, and I have this nice little table-valued function I call split, that takes a comma-delimited varchar, and returns a table... So I preceed to try it out...
SELECT *FROM Split(fn_pkeys('MyTable'),DEFAULT)
Syntax Error.  Ugh.  Eventually, I even try:
SELECT *FROM Split(substring('abc,def',2,6),DEFAULT)
Syntax Error.
Hmm...What am I doing wrong here, or can't you use a scalar-valued function as a parameter into a table-valued function?
SELECT *FROM Split('bc,def',DEFAULT) works just fine.
So my questions are:
Is there any way to programmatically capture a resultset that is being output from a stored procedure for use in the stored procedure that called it?
Is there any way to pass a scalar-valued function as a parameter into a table-valued function?
Oh, this works as well as a work around, but I'm more interested in if there is a way without having to workaround:
DECLARE @tmp varchar(8000)
SET @tmp=(SELECT dbo.fn_pkeys('MyTable'))
SELECT *
FROM Split(@tmp,DEFAULT)

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Hi All

Yesterday Peso was gracious enough to help me with creating function/views/sp's

I took those examples and extended what had from excel into function in SQL

however I see myself repeating certain parts of the query and i'm wondering if there is a way to call a function (in part or in whole) from another function?

Here are excerpts two functions I have:

We'll call this function UserUsage()
------------------------------------
RETURN(
SELECT ut.LastName, ut.FirstName,
CEILING(Sum(hu.session_time)/ 60000) AS [Time Spent(MIN)],
Max(hu.time_stamp) AS [Last Log Date],
pct.Title, cat.topic_name
FROM ZSRIVENDEL.dbo.UserTable ut,
ZSRIVENDEL.dbo.history_usage hu,
ZSRIVENDEL.dbo.pc_CourseTitles pct,
ZSRIVENDEL.dbo.cam_topics cat
WHERE ut.student_id = hu.student_id
AND hu.course_id = pct.CourseID
AND hu.topic_id = cat.topic_id
AND ((ut.ClientID=@ClientID)
AND (pct.ClientID=@ClientID)
AND (ut.GroupID=3400)
AND (hu.time_stamp>= @StartDate
And hu.time_stamp< @EndDate)
AND (hu.session_time<21600000))
GROUP BY ut.LastName, ut.FirstName, pct.Title, cat.topic_name
)

and will call this function UserSummary():
-----------------------------------------
RETURN (
SELECTut.LastName, ut.FirstName,
CEILING(SUM(hu.Session_Time) / 60000.0) AS [Time Spent(MIN)]
FROM ZSRIVENDEL.dbo.UserTable AS ut
INNER JOIN ZSRIVENDEL.dbo.History_Usage AS hu
ON hu.Student_ID = ut.Student_ID
WHERE ut.ClientID = @ClientID
AND ut.GroupID = 3400
AND hu.Time_Stamp >= @StartDate
AND hu.Time_Stamp < @EndDate
AND hu.Session_Time < 21600000
GROUP BY ut.LastName, ut.FirstName
)

As you can see the first part of the both query are simlar. In particular the:

SELECTut.LastName, ut.FirstName,
CEILING(SUM(hu.Session_Time) / 60000.0) AS [Time Spent(MIN)]

and also the variables @StartDate and @EndDate.

In C# it would create a method and just call that method as well as the variables. However i'm not sure how to do that with sql functions. Could someone shed some light please?

Thank you!

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SELECT AVG(exactskip)FROM HistoryWHERE Exact = '023'
...This should return 425.66, but it returns either 425 or 425.0000.
The results which are returned and being saved are being shown as a rounded integer or shown with 4 zeros after the decimal. I know it should be ending with a decimal in almost all cases. The column in the table that the result are being saved to is formated as smallmoney. The column in the table whos data is being averaged is set as an integer.  Question, how can I make the avg function calculate the decimal values and save the appropriate decimal results. What changes do I need to make to my select statement. Any help would be appreciated.
I am still very new to all this, so please be specific and somewhat step by step in any reply
Thanks
Scott
 

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<%
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%>
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-- =============================================-- Create table with IDENTITY column-- =============================================create table logviewer(idLog smallint IDENTITY(1, 1),timeLog, Char(14) NOT NULL,dateLog, Char(14) NOT NULL,typeLog, Char(14) NOT NULL,adressLog, Char(90) NOT NULL,messageLog, Char(254) NOT NULL)Server: Nachr.-Nr. 173, Schweregrad 15, Status 1, Zeile 8Die Definition für die timeLog-Spalte muss einen Datentyp enthalten.eng. define timLog colom as datatypeCould anyone help me please?

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