I have troubles with this scalar-valued UDF:
I get the error:
Select statements included within a function cannot return data to a client.
Is this a proper way to include a CTE in a function?
USE [DB1]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[_Pink_FN_StartingDatePLGeographical](@StartingDate AS DATETIME) RETURNS NVARCHAR(20)
[code].....
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)
Hi,
I have an assembly that contains the following function:
Public Class Lookup
<SqlFunction()> _
Public Shared Function MyTest() As Integer
Return System.Data.SqlTypes.SqlInt64.Null
End Function
End Class
Then in SSMS:
CREATE ASSEMBLY IRS_MyTest
FROM '\machine empmyAssembly.dll'
GO
CREATE FUNCTION dbo.MyTest() RETURNS INT
AS EXTERNAL NAME IRS_MyTest.[MyClass].MyTest
GO
when I run:
SELECT dbo.MyTest()
the following is returned:
Msg 6522, Level 16, State 2, Line 1
A .NET Framework error occurred during execution of user defined routine or aggregate 'MyTest':
System.Data.SqlTypes.SqlNullValueException: Data is Null. This method or property cannot be called on Null values.
System.Data.SqlTypes.SqlNullValueException:
at System.Data.SqlTypes.SqlInt64.get_Value()
at System.Data.SqlTypes.SqlInt64.op_Explicit(SqlInt64 x)
at Informed.DCLG.IRS.SQL.IncidentTransform.Lookup.MyTest()
Can anyone please advise on how to return back a null value. Currently, my only other option is to return nothing (actually returns 0) and then wrap this up to convert the value to null - not ideal.
Thanks,
Jan.
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.
I have a procedure that calls a SVF to convert an xmldocument. The ultimate purpose is to update the xml in a column in a multi-million row table. The xml is stored as varchar(MAX), it was supposed to carry any type of text, initially at least.
My question is: why is the xml-parsing performed inside the function much slower when i pass the xmldocument as type xml than when it is passed as varchar(MAX) and the CAST to xml is within the function? Does processing the xml input parameter in SlowFunction involve expensive crossing of some context border?
The two versions of the SVF (they return the rowcount in this simplified example):
CREATE FUNCTION [dbo].[FastFunction]
(
@inDetaljerText varchar(MAX)
)
RETURNS int
[Code] ....
The two versions of the SP
CREATE PROCEDURE [dbo].[FastProcedure]
AS
BEGIN
SET NOCOUNT ON;
select
dbo.FastFunction(al.Detaljer)
[Code] ....
Hi There,
I need to call a function to calculate a value. This function accepts a varchar parameter and returns a boolean value. I need to call this function for each row in the dataflow task. I thought I would use an oledb command transformation and for some reason if I say..
'select functioname(?)' as the sqlcommand, it gives me an error message at the design time. In the input/output properties, I have mapped Param_0(external column) to an input column.
I get this erro.."syntax error, ermission violation or other non specific error". Can somebiody please suggest me what's wrong with this and how should I deal this.
Thanks a lot!!
I build a UDF scalar function like this:
CREATE FUNCTION VerificaAcessoPerfil
(
@codigo INT
)
RETURNS INT
[Code] ....
Curiously when i call my function the same one return always the same value, ex:
Select VerificaAcessoPerfil(2)
the return value is : 698 ??
but if i run the Select statment like this:
SELECT DISTINCT codigo,
(case codigo WHEN 1 THEN 695
WHEN 11 THEN 697 WHEN 2 THEN 211
WHEN 10 THEN 698 WHEN 13 THEN 696
WHEN 4 THEN 1 END)[codigo]
FROM pf (NOLOCK) INNER JOIN pfu (NOLOCK) ON pfu.pfstamp=pf.pfstamp
WHERE codigo IN (1,11,2,10,13,4)
ORDER BY 1 ASC
The value are:
1695
2211
41
10698
11697
13696
I would like to create a table valued function using the following data:
create table #WeightedAVG
(
Segment varchar(20),
orders decimal,
calls int
);
insert into #WeightedAVG
[code].....
I would like to create a function from this where I can input columns, and two numbers to get an average to output in a table ie,
CREATE FUNCTION WeightedAVG(@divisor int, @dividend int, @table varchar, @columns varchar)
returns @Result table
(
col1 varchar(25),
WeightedAVG float
[Code] .....
For code reuse, I am trying to get a table valued function to return users of a given AD group name. I can easily get this with hard-coding the group name. But because OpenQuery wont accept parameters, I can't insert my group name there. And because functions can't call dynamic SQL, I can't do it via dynamic sql. I have seen people do it with CLR, but I rather not go that route. I can use a stored procedure + cursor and iterate through each group and store the results into real tables and create a cache, but I rather query Active Directory itself to save space, but I rather do the caching then the CLR. Any approach I am missing on how to do this?
The following works fine:
SELECT DISTINCT sAMAccountName
FROM OPENQUERY(ADSI, 'SELECT sAMAccountName, sn
FROM ''LDAP://OU=SomeOU,OU=SomeOtherOU,DC=SomeDC,DC=SomeOtherDC''
WHERE objectCategory=''Person'' AND objectClass=''USER'' AND memberOf=''CN=SomeGroupName,OU=SomeOU,OU=SomeOtherOU,DC=SomeDC,DC=SomeOtherDC''') a
WHERE sn IS NOT NULL
The following gives me the error:
Invalid use of a side-effecting operator 'EXECUTE STRING' within a function.
CREATE FUNCTION [dbo].queryADGroupMembers
(
@group nvarchar(255)
)
RETURNS @rtnTable TABLE
[Code] .....
I'm attempting to convert some INSERT-EXEC structures into table-valued functions because the procedures are deeply nested and INSERT-EXEC doesn't like nesting (Error 3915: Cannot use the ROLLBACK statement within an INSERT-EXEC statement)
The procedure has a single select statement, so I created an inline table-valued function. When I ran it with sample data, I received this error (yes, twice):
Msg 0, Level 11, State 0, Line 0
A severe error occurred on the current command. The results, if any, should be discarded.
Msg 0, Level 20, State 0, Line 0
A severe error occurred on the current command. The results, if any, should be discarded.
After ruling out obvious mistakes, I started to deconstruct the select statement with its CTE and TVP. The result is the following, built in my local sandbox database:
CREATE TYPE test_list AS TABLE(a int);
GO
CREATE FUNCTION test_function (@p int, @theTable test_list READONLY)
RETURNS TABLE
AS
RETURN (
WITH cte
AS (SELECT a FROM @theTable)
SELECT cte.a
FROM cte);
GO
DECLARE @t test_list;
INSERT @t VALUES(1);
SELECT * FROM test_function(1, @t);
When I run this, I get the same error as noted above. I'm running on version 10.50.4000.0, Developer Edition. (2008 R2 SP2)
The function above does just about nothing and has redundancies because I stripped the actual function down to the essential elements to cause the error. The essential elements are:
- One of the parameters is a table-valued parameter (the UDTT definition does not seem to matter)
- The SELECT statement has a CTE
- The TVP is accessed within the CTE
- The outer FROM clause references the CTE
- There is also a scalar parameter on the function (scalar type does not seem to matter).
- The scalar parameter precedes the TVP in the parameter list.
So I have an easy work-around: put the TVP first in the parameter list.
From the SQL Server documentation : "The input parameters and the type returned from a SVF can be any of the scalar
data types supported by SQL Server, except rowversion, text,
ntext, image, timestamp, table, or cursor"This is a problem for me. Here's what I'm trying to do :I have an NTEXT field in one of my tables. I want to run regular expressions on this field, and return the results from a stored procedure. Since SQL Server doesn't provide facilities to perform regular expressions, I need to use an SQLCLR function. I would have no problem doing this if my field was nvarchar. However, this field needs to be variable in length - I cannot set an upper bound. This is why I'm using NTEXT and not nvarchar in the first place.Is there a solution to this problem? I can't imagine that I'm the only person who wants to pass strings of arbitrary size to an SQLCLR function.
I'm trying to create a SQL server 2000 function that returns a scalar value, but I keep getting the error "Return statements in scalar valued functions must include an argument". Online clarification of this error message is no help at all.I've tried all sorts of combinations of the following, without much luck. Can someone point out my dim-witted mistake, please?ALTER FUNCTION dbo.intCoursesPublic (@intCatID as int) RETURNS intASBEGIN RETURN SELECT COUNT(intCourseID) AS Expr1 FROM dbo.tbl_guru_course_list WHERE (intCatID = @intCatID)END
View 4 Replies View RelatedHi,
I am trying to write a function which takes a string as input and returns the computed value.
I need to use the output of this function as a coulmn in another select query.
Here is the code (Example: @Equation = '(100*4)+12/272')
create function dbo.calc(@Equation nvarchar(100))
returns float
as
begin
return exec('SELECT CAST('+@Equation+' AS float)')
end
I am getting this error when i compile it
"RETURN statements in scalar valued functions must include an argument"
Any suggestions would be appreciated.
Please respond
Thanks
Hi all,
I executed the following sql script successfuuly:
shcInLineTableFN.sql:
USE pubs
GO
CREATE FUNCTION dbo.AuthorsForState(@cState char(2))
RETURNS TABLE
AS
RETURN (SELECT * FROM Authors WHERE state = @cState)
GO
And the "dbo.AuthorsForState" is in the Table-valued Functions, Programmabilty, pubs Database.
I tried to get the result out of the "dbo.AuthorsForState" by executing the following sql script:
shcInlineTableFNresult.sql:
USE pubs
GO
SELECT * FROM shcInLineTableFN
GO
I got the following error message:
Msg 208, Level 16, State 1, Line 1
Invalid object name 'shcInLineTableFN'.
Please help and advise me how to fix the syntax
"SELECT * FROM shcInLineTableFN"
and get the right table shown in the output.
Thanks in advance,
Scott Chang
T-SQL offers UPPER and LOWER functions for formatting text strings. Is there a PROPER function? Thanks.
View 1 Replies View RelatedHello: a nice simple question (I hope). Is there a MS SQL equivilant to PROPER (string) which would return "Fred Bloggs" from "FRED BLOGGS" and equally from "FrEd bLoggs" ? I cant find such ....
Gerry
I want to add four fields of a table and place the toatal in a new field.Also I wanna have the average of the fields.
For e.g
I have created a marksheet having four subjects.Now I wanna add the subjects and find the average of the subjects and place them in two different fields in the same table along with the respective names in the table.Pls help.
Thanks in advance.
Is it ill-advised to have columns whose values pull from scalar functionsusing other fields in the record as parameters? For example, if I havecreate table a(iID int primary key)create table b(iID int ,iDetail int,CONSTRAINT PK PRIMARY KEY(iID,iDetail),CONSTRAINT FK FOREIGN KEY (iID) REFERENCES a(iID))Let's say in table b I put price information for each detail and in table aI'd like to put a column that sums these prices for the children of eachrecord. Should I make a computed column that references a function usingiID as a parameter? Or would it be better to create a view for this kind ofpurpose?Regards,Tyler
View 4 Replies View RelatedI have a scalar function, which calculates the similarity of two strings. I use the following query, to compare the entries of one table against the value 'Test' and return the entries, which have a value > 50:
;WITH cte1 AS (
SELECT b.FirstName,
(SELECT fn_similarity('Test', b.FirstName)) AS [Value],
b.LastName
FROM [AdventureWorks2012].[Person].[Person] b
)
SELECT *
FROM cte1
WHERE [Value] > 50.00
ORDER BY [Value] DESC
Now I want to use this query against the first 50 entries of the [Person] table, so that the resultset includes all the values of the first 50 persons and the entries, which are similar to them.
At the moment I use a WHILE-loop and write the five single resultsets in a temporary table. Is there another way / a better way, maybe via a join?
Hi, I have the follow function:
CREATE FUNCTION [dbo].[ToTime]
(
@intHora int, --A valid hour
@intMin int -- A valid minute
)
RETURNS smalldatetime
AS
BEGIN
declare @strTime smalldatetime
declare @errorvar int
select @strTime=cast(convert(varchar,cast((cast(@intHora as varchar) +':'+ cast(@intMin as varchar)) as smalldatetime),108) as varchar)
return @strTime;
END
the function works perfect but when the parameter for the hour is a negative number (for example -1), or a number > 23
and the parameter for the minute is an negative number (-1) or a number > 59, the function produce an error.
I need handle this error converting the wrong value in 0, but i don't want to do this using "if statement". for example
if @intHora < 0 or @intHora >23
begin
set @intHora = 0
end
if @intMin <0 or @intMin>59
begin
set @intMin = 0
end
please, If someone know some sql function (try - catch doesn't work) to handle this kind of error or some good way to do it, please help me.
i have given two functions - table valued and scaler valued
when select * from table_func('')
i m getting results..
but in select * from scalar_func('')
it gives error - invalid object name,
while i have both scripts open in same database but still from one func it gives results and from another it gives error..
so can anyone tell me plz. what should i do to see results from scalar func
thanks
I am new to writing table-valued user defined function, so this might be a 'Duh' question. I am trying to write a table-valued UDF that has to return multiple rows. How do I do this?
Thanks
Mangala
I've a scalar function which is killing my performance. I've been used the SQL profiler and also DMVs to catch execution information. I'd like to store the value received by this function and also the time that it happened, but I can't think in a way to do it.
View 5 Replies View RelatedAs an example, I have a scalar function called TRIM that takes a VARCHAR parameter, does a LTRIM(TRIM(VARCHAR)), and returns the result.
How can I call this function from java using JDBC? I have only had luck calling basic stored procedures, but I need to call functions as well.
Thanks, Ken
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION DetailedView
AS
BEGIN
Declare @fieldname varchar(10)
Declare @stmt varchar(4000)
Declare Fields Cursor For Select Amounttype From Amounttypes
Set @stmt = 'Select pono, myid, billtype'
Open Fields
Fetch Next From Fields Into @fieldname
While @@Fetch_Status = 0 Begin
Set @stmt = @stmt + ', sum(amountfc * Case When amounttype = ''' + @fieldname + ''' Then 1 Else 0 End) As ' + @fieldname
Fetch Next From Fields Into @fieldname
End
Close Fields
Deallocate Fields
Set @stmt = @stmt + ' From multiplebillsviewall Group By pono, myId,billtype '
return Exec(@stmt)
END
Hi,
I want to join a table valued function but function parameter should left joined table's primary key .... this is posible in oracle by pipeline method ..
eg..
SELECT A.Col1,A.Col2,B.Col1,B.Col2
FROM Tab As A LEFT OUTER JOIN TblFunction(A.Pkey) B
ON A.Col1 = B.Col1
any body help me ... thanx in advance..
Is there a way to create a trigger directly on an inline or multi-line tablevalue function?I am trying to create a quick-and-dirty application using an Access DataProject front-end with SQL 2000 SP3 EE.Thanks.
View 2 Replies View RelatedHi there. I've hit some gap in my SQL fundementals. I'm playing with table-valued functions but I can't figure out how to join those results with another table. I found another way to hit my immediate need with a scalar function, but ultimately I'm going to need to use some approach like this. What am I misunderstanding here?
The Given Objects:
function Split(stringToSplit, delimiter) returns table (column: token)
table Words (column: Words.word) -- table of predefined words
table Sentences (column: Sentences.sentence) -- table of sentences; tokens may not be in Words table, etc
The Problems:
1) how do I query a set of Sentences and their Tokens? (using Split)
2) how do I join tables Sentences and Words using the Split function?
The Attempts:
A)
select word, sentence, token
from Words,
Sentences,
dbo.Split(sentence, ' ') -- implicitly joins Split result with Sentences?
where word = token
resulting error: "'sentence' is not a recognized OPTIMIZER LOCK HINTS option."
B)
select word, sentence
from Words, Sentences
where word in (select token from dbo.Split(sentence, ' ')) -- correlated subquery?
resulting error: "'sentence' is not a recognized OPTIMIZER LOCK HINTS option."
Is it possible to define a constraint for Primary Key on more than 1 column or an alternate index on a column in a return table from an inline table valed function?
Example Header:
alter FUNCTION [dbo].[fntMetaFrame] (@ii_CompanyID int)
RETURNS @tbl_MetaFrame TABLE ( pk_Key int Identity(1,1) primary key,
ObjectID int ,
Seq int null )
I want the primary key to be pk_Key, ObjectID
OR
I want to add another index on ObjectID.
hi,
I am using a function in sql server 2005 like this:
...... myfunction(... @FlagOn int)
.......
begin
return
(
if(@FlagOn = 1)
select * from.......
else
select * form....
)
end
But it keeps complaining there is some syntax error around if. What is it?
Thanks.
I am using a multi-statement table-valued function to assemble data from several tables and views for a report. To do this, I INSERT data into the first few columns and then use UPDATEs to put data additional data into each row. Each UPDATE uses a WHERE criteria that identifies a unique row, based on the value of the first few columns.
The problem I'm having is that the UPDATEs are taking forever to execute. I believe the reason is that the temporary table that's created for the function is not indexed, so each row update requires a complete search of several columns.
In other situations I've been able to define one column as a primary key for the temporary table, but in this situation the primary key would have to consist of four columns, which doesn't seem to be allowed in the table definition for the function.
Is there any way to create indexes for the temporary tables that are created for multistatement table-valued functions? I think that would improve the UPDATE performance dramatically.
Thanks,
Lee Silverman
JackRabbit Sports
Can we Pass table valued parameters and normal params like integer,varchar etc..to a single stored procedure?
View 1 Replies View RelatedI wrote a Scalar UDF in SQL2005 that returns an integer. I want to be able to display this integer in a ASP.Net 2.0 web page. I typically use a DAL for all data so I added an ObjectDataSource as a Qeury that contains only the UDF. How do I easily display the value in a Label Control or?
I have tried to use a Repeater with a label, a Formview with a Label, all to no avail. Any suggestions?