Dynamic SQL Return Table Variable
Nov 2, 2007
Is it possible in SQL 2000 to return a table variable from dynamic sql? We need to have some code that looks kind of like this:
declare @qry varchar(8000)
declare @sourcetable varchar(100) -- name of source table
declare @mytable table (ID_Num int identity(1,1), Child_Key varchar(100))
set @sourcetable = (select tablename from tblConfig where app = 1)
set @qry = 'insert into @mytable
select * from @sourcetable'
execute (@qry)
if (select count(*) from @mytable) > 0
begin
'insert into myFinalTable
select * from @mytable where blah blah blah
I can get the first part to work by declaring the table variable (mytable) in the dynamic sql, but I can't figure out how to return the table object.
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Sep 25, 2015
I tried to create a dynamic table, fill in it and return it as recordset. The codes as this:
Declare @tbl Table(id int, name varchar(100), age int)Â
Insert Into @tbl(id, name, age)
Values(1, 'James, Lee', 28),
  (2, 'Mike, Richard', 32),
  (3, 'Leon Wong', 29)
Select * From @tbl Order By age
It works well in "SQL Query Ananizer". But return no records in ASP page.
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May 8, 2008
Hi,
I've a roblem with table variables in dynamic sql context.
If i use it with normal sql there is of course no problem.
Simplified it looks like this:
-- Standard SQL ----------------------------------------------------------------------------------------------------------------
DECLARE @TestTable as TABLE(MyBigInt bigint NOT NULL, Myint int NOT NULL);
INSERT @TestTable SELECT 4711,10
SELECT* FROM @TestTable
-----------------------------------------------------------------------------------------------------------------------------------------
If i do the same thing in dynamic sql, i get errors.
-- Dynamic SQL ----------------------------------------------------------------------------------------------------------------
DECLARE @DynamicTestTable as Table(MyBigInt bigint NOT NULL, Myint int NOT NULL);
DECLARE @SQLString as nvarchar(max), @Parameters as nvarchar(2000);
SET @Parameters = N'@DynamicTestTableOUT as Table(MyBigInt bigint NOT NULL, Myint int NOT NULL) OUTPUT';
SET @SQLString= N'INSERT @DynamicTestTableOUT SELECT 4711,10';
EXECUTE sp_executesql @SQLString, @Parameters, @DynamicTestTableOUT = @DynamicTestTable OUTPUT ;
SELECT* FROM @DynamicTestTable;
-----------------------------------------------------------------------------------------------------------------------------------------
What is wrong with tis code? Or are table variables not supported inside dynamic SQL?
Thanks in advance
Raimund
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Aug 5, 2014
I want to write a function, which accept 3 parameters, 1 TableName 2 ColumnName 3 DateValue, and returns number of records in that table for that particular date(in parameter date), I have written below function but it is not returning the desired result.
CREATE FUNCTION dbo.[f_Rec_cnt]
(@InTableName NVARCHAR(100),
@InDtColName NVARCHAR(50),
@InDate NVARCHAR(50)
)
RETURNS INT
[Code] .....
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Sep 16, 2015
I don't know why this is so difficult. What I want to do is take a table name as a parameter to build a query and get an integer value from the result of the query. But from all of the research I have been doing, Dynamic SQL is bad in SQL server because of SQL Injections. But my users are not going to be supplying the table names.
Things I have learned:
 - SQL Functions cannot use Exec to execute query strings.
 - SQL Functions can return a concatenated string that could be used by a stored procedure to Exec the query string.
So how can I write a stored procedure that will
Â
1. take a parameter
2. Pass the parameter to a function that will return a string
3. Execute that string as SQL
4. Get a return value from that SQL statement
5. Then finally, from a View, how can I pass a parameter to the stored procedure and get the returned value from the stored procedure to be used as a field in the View?
Numbers 3, 4, and 5 are where I am really stuck. I guess I don't know the proper syntax and limitations of SQL Server.
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Jun 18, 2015
Trying to create a report... Report should show * documents on hold then depending on the "on-hold type" look in the corresponding table and SELECT a few fields. Here is what I have. Where do I SET the @profile variable to return the profile from my queue table?
DECLARe
@profilevarchar(256)
SELECT
q.[profile],q.on_hold,q.on_hold_message,q.dbc_stateÂ
FROM
QueueASq
[code]...
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Jul 20, 2005
HiI'm grateful for any light you can shed on this!!I've to admit, it's an unusual design but I've multiple contact tables namede.g. i2b_ash_contact or i2b_ted_contact.'i2b_' and '_contact' are static but the middle part is dynamic.Storing all contacts in one table with an identifier of e.g. 'ash' or 'ted'for each record is not possible.Returning the value from the dynamic Query is no problem but I don't knowhow to assign it to a variable.When I try doing this it either runs into problems with evaluating thevariables or doesn't retuen anything at all e.g. if I say at the end 'Print@AddressID'. The variable remains empty.How can I do something like:DECLARE@AddressID int,@ProgClient (varchar(10),@Table varchar(10)Note: @Prog is a string e.g. 'ash' or 'ted'SET @Table = 'i2b_ + @ProgClient + '_contactSET @AddressID = (SELECT AddressID FROM @Table WHERE ContactID = @ContactID)
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Jul 2, 2015
I have started working with dynamic queries recently. I am using a table variable and need to add a join in query dynamically.
For Eg- @TableVariable
SET @query_from = @query_from + CHAR(10) + ' JOIN @TableVariable on ABC.ID = @TableVariable.ID '
BUt it gives an error that @TableVariable must be declared
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Dec 12, 2007
I am building an SSIS package that loops through a table in SQL Server and dynamically builds a select statement that i would like to use as an ole db source. I have been having a difficult time with this as the select statement that i am generating is over 200,000 characters long so using an sql variable is out of the question.
I ended up placing the select statement into a table where each row of the table represents a piece of the select. I then use an execute_sql task that selects the entire rowset from this table into a variable object. I then use a for each loop to shred the variable and concatenate it into on big string variable called user:: sql_statement that is my select.
After setting up the loop and testing to see if the user:: sql_statement variable populates correctly i then added a data flow transfer with an ole db source and destination. I then go into the advanced editor for the source and set it to accept an sql statement from a variable and use my user:: sql_statement variable. I was forced to set validate external metadata option to false to avoid an error since there is no way to validate the columns until the for each loop runs during run time.
Now thats all fine and good but what is causing my problem is that during run time, when the package gets to the data flow task, the select statement doesn't seem to be populating the input columns of the data source. I have been searching to no avail on a way to tell the data source to update the input columns but every time it gets there, the package bombs out telling me the ole db source has no available output columns.
Specifically the error i get is :
[DTS.Pipeline] Error: "output "OLE DB Source Output" (6616)" contains no output columns. An asynchronous output must contain output columns.
Any help with this would be much appreciated.
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Feb 27, 2008
I'm new to SSIS, but have been programming in SQL and ASP.Net for several years. In Visual Studio 2005 Team Edition I've created an SSIS that imports data from a flat file into the database. The original process worked, but did not check the creation date of the import file. I've been asked to add logic that will check that date and verify that it's more recent than a value stored in the database before the import process executes.
Here are the task steps.
[Execute SQL Task] - Run a stored procedure that checks to see if the import is running. If so, stop execution. Otherwise, proceed to the next step.
[Execute SQL Task] - Log an entry to a table indicating that the import has started.
[Script Task] - Get the create date for the current flat file via the reference provided in the file connection manager. Assign that date to a global value (FileCreateDate) and pass it to the next step. This works.
[Execute SQL Task] - Compare this file date with the last file create date in the database. This is where the process breaks. This step depends on 2 variables defined at a global level. The first is FileCreateDate, which gets set in step 3. The second is a global variable named IsNewFile. That variable needs to be set in this step based on what the stored procedure this step calls finds out on the database. Precedence constraints direct behavior to the next proper node according to the TRUE/FALSE setting of IsNewFile.
If IsNewFile is FALSE, direct the process to a step that enters a log entry to a table and conclude execution of the SSIS.
If IsNewFile is TRUE, proceed with the import. There are 5 other subsequent steps that follow this decision, but since those work they are not relevant to this post.
Here is the stored procedure that Step 4 is calling. You can see that I experimented with using and not using the OUTPUT option. I really don't care if it returns the value as an OUTPUT or as a field in a recordset. All I care about is getting that value back from the stored procedure so this node in the decision tree can point the flow in the correct direction.
CREATE PROCEDURE [dbo].[p_CheckImportFileCreateDate]
/*
The SSIS package passes the FileCreateDate parameter to this procedure, which then compares that parameter with the date saved in tbl_ImportFileCreateDate.
If the date is newer (or if there is no date), it updates the field in that table and returns a TRUE IsNewFile bit value in a recordset.
Otherwise it returns a FALSE value in the IsNewFile column.
Example:
exec p_CheckImportFileCreateDate 'GL Account Import', '2/27/2008 9:24 AM', 0
*/
@ProcessName varchar(50)
, @FileCreateDate datetime
, @IsNewFile bit OUTPUT
AS
SET NOCOUNT ON
--DECLARE @IsNewFile bit
DECLARE @CreateDateInTable datetime
SELECT @CreateDateInTable = FileCreateDate FROM tbl_ImportFileCreateDate WHERE ProcessName = @ProcessName
IF EXISTS (SELECT ProcessName FROM tbl_ImportFileCreateDate WHERE ProcessName = @ProcessName)
BEGIN
-- The process exists in tbl_ImportFileCreateDate. Compare the create dates.
IF (@FileCreateDate > @CreateDateInTable)
BEGIN
-- This is a newer file date. Update the table and set @IsNewFile to TRUE.
UPDATE tbl_ImportFileCreateDate
SET FileCreateDate = @FileCreateDate
WHERE ProcessName = @ProcessName
SET @IsNewFile = 1
END
ELSE
BEGIN
-- The file date is the same or older.
SET @IsNewFile = 0
END
END
ELSE
BEGIN
-- This is a new process for tbl_ImportFileCreateDate. Add a record to that table and set @IsNewFile to TRUE.
INSERT INTO tbl_ImportFileCreateDate (ProcessName, FileCreateDate)
VALUES (@ProcessName, @FileCreateDate)
SET @IsNewFile = 1
END
SELECT @IsNewFile
The relevant Global Variables in the package are defined as follows:
Name : Scope : Date Type : Value
FileCreateDate : (Package Name) : DateType : 1/1/2000
IsNewFile : (Package Name) : Boolean : False
Setting the properties in the "Execute SQL Task Editor" has been the difficult part of this. Here are the settings.
General
Name = Compare Last File Create Date
Description = Compares the create date of the current file with a value in tbl_ImportFileCreateDate.
TimeOut = 0
CodePage = 1252
ResultSet = None
ConnectionType = OLE DB
Connection = MyServerDataBase
SQLSourceType = Direct input
IsQueryStoredProcedure = False
BypassPrepare = True
I tried several SQL statements, suspecting it's a syntax issue. All of these failed, but with different error messages. These are the 2 most recent attempts based on posts I was able to locate.
SQLStatement = exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
SQLStatement = exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
Parameter Mapping
Variable Name = User::FileCreateDate, Direction = Input, DataType = DATE, Parameter Name = 0, Parameter Size = -1
Variable Name = User::IsNewFile, Direction = Output, DataType = BYTE, Parameter Name = 1, Parameter Size = -1
Result Set is empty.
Expressions is empty.
When I run this in debug mode with this SQL statement ...
exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
... the following error message appears.
SSIS package "MyPackage.dtsx" starting.
Information: 0x4004300A at Import data from flat file to tbl_GLImport, DTS.Pipeline: Validation phase is beginning.
Error: 0xC002F210 at Compare Last File Create Date, Execute SQL Task: Executing the query "exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output" failed with the following error: "No value given for one or more required parameters.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Task failed: Compare Last File Create Date
Warning: 0x80019002 at GLImport: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED. The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "MyPackage.dtsx" finished: Failure.
When the above is run tbl_ImportFileCreateDate does not get updated, so it's failing at some point when calling the procedure.
When I run this in debug mode with this SQL statement ...
exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
... the tbl_ImportFileCreateDate table gets updated. So I know that data piece is working, but then it fails with the following message.
SSIS package "MyPackage.dtsx" starting.
Information: 0x4004300A at Import data from flat file to tbl_GLImport, DTS.Pipeline: Validation phase is beginning.
Error: 0xC001F009 at GLImport: The type of the value being assigned to variable "User::IsNewFile" differs from the current variable type. Variables may not change type during execution. Variable types are strict, except for variables of type Object.
Error: 0xC002F210 at Compare Last File Create Date, Execute SQL Task: Executing the query "exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output" failed with the following error: "The type of the value being assigned to variable "User::IsNewFile" differs from the current variable type. Variables may not change type during execution. Variable types are strict, except for variables of type Object.
". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Task failed: Compare Last File Create Date
Warning: 0x80019002 at GLImport: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED. The Execution method succeeded, but the number of errors raised (3) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "MyPackage.dtsx" finished: Failure.
The IsNewFile global variable is scoped at the package level and has a Boolean data type, and the Output parameter in the stored procedure is defined as a Bit. So what gives?
The "Possible Failure Reasons" message is so generic that it's been useless to me. And I've been unable to find any examples online that explain how to do what I'm attempting. This would seem to be a very common task. My suspicion is that one or more of the settings in that Execute SQL Task node is bad. Or that there is some cryptic, undocumented reason that this is failing.
Thanks for your help.
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Nov 20, 2006
I need to get a return value from a sproc. I know how to do it this way:
CREATE PROCEDURE A_SPROC (
@RETVAL REAL OUTPUT
)
AS
SET @RETVAL=(SELECT A_VALUE FROM A_TABLE)
RETURN @RETVAL
GO
What if I am using dynamic SQL? How do I set @RETVAL?
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Nov 28, 2007
Hii I am Varun i have a problem with the dynamic stored procedure
This is my stored procedureALTER PROCEDURE dbo.sp_TimeTableAdjustment1
(@TeacherID_OnLeave numeric(9),
@DateFrom datetime ,@DateTo datetime , @UserID numeric(9)
)
AS
declare @flag as numeric(9)
declare @year as varchar(4)
set @year=(select batch from batchmaster where iscurrent=1 and isdeleted=0)
if( @year=null or len(@year)=0)
set @year = year(getdate())exec ('if not exists(select * from timetableadjustments_'+@year+' where datefrom='''+@datefrom+''' and dateto='''+@dateto+''' and teacherid_onleave='+@teacherid_onleave+')
begin
insert into TimeTableAdjustments_'+@year+' (TeacherID_OnLeave,DateFrom,DateTo,UserID) values ('+@TeacherID_OnLeave+','''+@DateFrom+''','''+@DateTo+''','+@UserID+');
end')
else
set @flag=(select timetableadjustmentid from timetableadjustments_2007 where datefrom=@datefrom and dateto=@dateto and teacherid_onleave=@teacherid_onleave)
return @flag
--exec('select timetableadjustmentid from timetableadjustments_'+@year+' where datefrom='''+@DateFrom+''' and dateto='''+@DateTo+''' and teacherid_onleave='+@TeacherID_OnLeave+'
--')
--return @flag
--exec('@flag=select timetableadjustmentid from timetableadjustments_'+@year+' where datefrom='''+@DateFrom+''' and dateto='''+@DateTo+''' and teacherid_onleave='+@TeacherID_OnLeave+'')
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Mar 2, 2006
Greetings,
I've search around quite extensively on the net and found a few examples that touch on this subject, but the only definitive one that seemed to solve this problem used a temp table in the UDF, which, to my knowledge, is impossible...
The problem is thus:
I want to create either a stored procedure or a user defined function to return a list of values I can intersperse to use in a WHERE AccountID IN (<values>). This way, if someone were to create a new stored procedure and they wanted to either only select accounts with those IDs or perform a NOT IN and use it to filter.
The Solution I'm attempting:
My idea is best represented in psuedo-code:
- Create a Function that stores all account Ids we relate to a particular account type, in this case, let's say accountsids "100, 101, 102, 407" are all accounts we want to consider "cash".
- The function would look something like:
CREATE FUNCTION CashAccountIDs()
RETURNS TABLE
AS
BEGIN
DECLARE TABLE @t1 (account INT)
INSERT INTO @t1 VALUES (100)
INSERT INTO @t1 VALUES (101)
INSERT INTO @t1 VALUES (102)
INSERT INTO @t1 VALUES (407)
RETURN @t1
END
Then I could call this function by doing something such as:
SELECT *
FROM Accounts
WHERE AccountId IN (dbo.CashAccountIds())
I would presumably do this for other collections of accounts as well, so that I would end up with say 5 functions I could call to filter various types of accounts.
Not too certain if I am approaching this the correct way or not, I've been receiving a myriad of errors trying different methods. If I use the function above it tells me "Must declare @t1", so I modified it so @t1 is declared in the RETURNS statement, and the syntax checks then work, but when I attempt to save the function it tells me "Cannot perform alter on fn_cashaccountids because it is an incompatible object type"
(The code I use to generate this error is:
CREATE FUNCTION fn_cashaccountids ()
RETURNS @t1 TABLE (i INT)
AS
BEGIN
INSERT INTO @t1 VALUES (100)
RETURN
END
Hopefully I've provided enough but not too much info to sift through, it seems to me this would be something encountered a bit before.
Any help is very much appreciated.
- Jeff
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Apr 10, 2007
Is it possible to write dynamic sql on scalar function and assign the value to return value? I like some thing like below but it is not working...
Thanks
______________________________________________________________________
set @sql = 'select @CallLegKey= min(calllegkey) as CallLegKey
from rt_'+@platform+'_CallLegs
where datediff(day,convert(datetime, CallEndTime) ,'''+cast(@today as varchar(20))+''') = '+cast(@cutoff as varchar(5))
exec @sql
return @CallLegKey
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Jan 13, 2008
Hi,
I have a client with the following table structure:
ItemNumber, Name, Description
containing the following Data (example):
ItemNumber
Name
Value
6473764
SDRAM
4GB
6473764
Xeon
2300 Mhz
6473764
Video
256 MB
6473764
Bus
1300 Mhz
6473759
SDRAM
2GB
6473759
Xeon
2000 Mhz
6473759
Video
128 MB
6473759
Bus
1066 Mhz
I am trying to use PIVOT to convert this into Columns:
Item Number
SDRAM
Xeon
Video
Bus
6473764
4GB
2300 Mhz
256 MB
1300 Mhz
6473759
2 GB
2000 Mhz
128 MB
1066 Mhz
The problem is that I do not know the names of the columns before I run the query. I retrieve them based on a a list of Item Numbers:
SELECT DISTINCT Name FROM TableName WHERE ItemNumber IN (...)
What I was trying to do is the following, but I am not exactly sure what is wrong:
WITH ProductLines (ItemNumber, ItemName, ItemValue)
AS
(
SELECT ItemNumber, Name, Value FROM ProductItems WHERE ItemNumber IN (...)
)
SELECT * FROM ProductLines -- Don't know the column names
PIVOT
(
... -- Not sure what should come here
FOR ItemNumber IN (...)
)
Thanks a lot,
Aric Levin
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Apr 1, 2008
In the old DTS package, we can use Active-x script to set the variable value:
DTSGlobalVariables("MessageData").Value = "This is a test"
How do we do the same thing on the SSIS?
I am under the "control Flow" tab.
Thanks.
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Mar 3, 2015
I have created a function that will check whether the data is null or not. If its null then it will display that as No data else it will display the original value. Below is the function
GO
Object: UserDefinedFunction [dbo].[fnchkNull] Script Date: 3/4/2015 12:01:58 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
[code]...
The code is working good. However i want the return type to be dynamic. If the data type supplied is integer then i want to return a integer value like 0 if its null. if the data value is varchar then i want to return 'No Data'.
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Feb 13, 2007
How can I return a datetime type variable from a stored procedure in SQL Server to C# code?
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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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Mar 20, 2008
hi everybody,
I have two stored procedures lets say A and B and a variable inside stored procedure A lets say @BReturn, now, what is the syntax to execute B inside A and to store its returned value in @BReturn? any help is greatly appriciated.
devmetz.
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Apr 1, 2008
Hello,
I have a stored procedure that accepts a number of different input parameters that populate some variables in my stored procedure.
I want to have this stored procedure return nothing if some of these variables aren't filled out (they are populated by a search page the user fills out).
I'm not very familiar with writing stored procedures, so any help you can give me is appreciated.
Thanks!
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May 4, 2008
When I create a tableadapter to do an insert it added
SELECT EventDate, EventID, org_id, ROMEventID FROM ROMEvents WHERE (ROMEventID = SCOPE_IDENTITY())
at the end. This looks useful to me since it implies that I can access ROMEventID which is the auto-incremented identity field.
How would I reference the variable in my .cs file?
My insert is working as ROMEventsTableAdapter ROMEventInsert = new ROMEventsTableAdapter();
ROMEventInsert.InsertIntoROMEvents(theDate, EventID, org_id);
Thanks for any help
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May 28, 2005
Hi
I want a functionality such that I want to return a select query resultset and a varchar variable from a procedure. How can I achieve that,and moreover how can I fetch them in ASP??
Waiting for someone to shed a light of hope.
Thanx a lot
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Jan 31, 2007
Why does this not work?
declare @ret varchar(50)
DECLARE @X SQL_VARIANT
set @X=10
SET @ret=select SQL_VARIANT_PROPERTY(@X,'BaseType')
Just trying to assign the SQL_VARIANT_PROPERTY return value to @ret and it issues an error: Implicit conversion from data type sql_variant to varchar is not allowed. Use the CONVERT function to run this query.
But I don't want to convert I just want to assign the result to the variable.
what's confusding is that you can do this:
if(select SQL_VARIANT_PROPERTY(@X,'BaseType'))='int'
So I assume I should b able to do the above.
--PhB
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Oct 4, 2006
Hi guys, I have the following store procedure:PROCEDURE dbo.AddSearchColumn (@A1, @A2. @A3, @A4, @A5) ASDeclare @cElements cursor,@DocNum varchar(100)BEGIN Set @cElements = cursor for select FirstNaname rom dbo.DocTable1open @cElements fetch NEXT from @cElements into @DocNumwhile (@@FETCH_STATUS = 0) begin if (@DocNum==@A1 //Here is what I need to do: I want use @A1 at the first loop step, @A2 at the second, and so on....... // @A1, @A2 are the parameters in inputendENDclose @cElementsDEALLOCATE @cElements I hope my explanation is clear.Please, give some hints.Thanks for your time,Christian Malatesti
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Jun 12, 2002
Ok, I have a table with several column all labeled, column1, column2, etc. I need to loop through them so I have this statement which will loop through and get the first value, then go to colun2, etc
declare @score int
declare @stm nchar(500)
set @score=0
While @score<=50
Begin
Set @score=@score+1
set @stm='select column' + rtrim(convert(char(2),@score))+' from tablename'
exec sp_executesql @stm
if @score>50
Break
else
COntinue
end
My question is, how can I stuff this value from the dynamic sql into a variable such as:
set @newvalue='exec sp_executesql @stm '
Thanks,
Eddie
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Oct 8, 2004
Hi guys
I have a trigger which retrieves database names from a table.
I need to use this retrieved database name in another sql insert statement as a variable
e.g. set @mydbname = Select .... from.. (to get the database name)
then..
insert into @mydbname.dbo.emplTable
At the moment it reads @mydbname as the string "@mydbname" not the value the variable holds
I need the database name as a variable because i have to write to the correct database (there are 15)
Any help appreciated
Rowan
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Jun 2, 2008
Hi,
how to use a Dynamic variable on a function, to explan my self more here is a sample, we use this on SP but the function not allow executing.
DECLARE @SQL nvarchar(1000);set @sql=''
DECLARE @RESULT nVARCHAR(1000);SET @RESULT=''
DECLARE @mpq int;SET @mpq=0
DECLARE @FILENAME VARCHAR(40);SET @FILENAME='parm'
SELECT @RESULT =SCHEMA_NAME((SELECT SCHEMA_ID FROM SYS.TABLES WHERE NAME=@FILENAME))+'.'
SET @SQL=N'SELECT @mpq = CASE WHEN MPQ=1 THEN 10 WHEN MPQ=2 THEN 100 WHEN MPQ=3 THEN 1000 END FROM '+@RESULT+'PARM'
EXEC SP_EXECUTESQL @SQL,N'@mpq INT OUTPUT',@mpq OUTPUT
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Jul 23, 2005
I know this has been dealt with a lot, but I would still reallyappreciate help. Thanks.I am trying to transform this tableYY--ID-Code-R1-R2-R3-R4...R402004-1-101--1--2-3-42004-2-101--2--3-4-2....2005-99-103-4-3-2-1Into a table where the new columns are the count for 4-3-2-1 for everydistinct code in the first table based on year. I will get the yearfrom the user-end(Access). I will then create my report based on theinfo in the new table. Here's what I've tried so far (only for 1stcolumn):CREATE PROCEDURE comptabilisationDYN@colonne varchar(3) '*receives R1, then R2, loop is in vba access*ASDECLARE @SQLStatement varchar(8000)DECLARE @TotalNum4 intDECLARE @TotalNum3 intDECLARE @TotalNum2 intDECLARE @TotalNum1 intSELECT SQLStatement = 'SELECT COUNT(*) FROMdbo.Tbl_Réponses_Étudiants WHERE' + @colonne + '=4 AND YY = @year'EXEC sp_executesql @SQLStatement, N'@TotalNum4 int OUTPUT', @TotalNum4OUTPUT INSERT INTO Comptabilisation(Total4) VALUES (@TotalNum4)GO
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Aug 10, 2007
Here's the WRONG way to do what I want. I need a way to populate a variable from the output of a dynamic query.
declare @TableName sysname
set @TableName = 'Customers'
delcare @Output bigint
declare @SQL varchar(max)
set @SQL = 'select top 1 RowID from ' + @TableName
select @Output =
EXEC (@SQL)
create function udf_GetDatabaseFingerPrint(
@DBID bigint
)
begin
returns bigint
as
declare @dbname sysname
, @iBig bigint
, @tSQL varchar(2000)
select @dbName = Name from Master.Dbo.Sysdatabases where DBID = @DBID
set @tSQL = 'select sum(Rows) from ' + @dbName + '.dbo.sysindexes'
set @iBig = exec(@tSQL)
return @iBig
end
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May 15, 2001
I have a stored proc that builds a character string from a number of rows returned from a select query. Is there anyway to insert a carriage return after I append the value of each row to the string variable?
Thanks in advance,
Chris
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Mar 9, 2008
hey all,
I have the following query:
ALTER PROCEDURE [dbo].[sp_SelectMostRecentArticle]
AS
BEGIN
DECLARE @article_id INT
SELECT @article_id = (
SELECT TOP 1 article_id
FROM article
ORDER BY article_id DESC
)
DECLARE @comment_count INT
SELECT @comment_count = (
SELECT COUNT(comment_id)
FROM comment
JOIN article ON article_id = comment_article_id
GROUP BY article_id
HAVING article_id = @article_id
)
SELECT TOP 1 article_id, article_author_id,
article_title, article_body, article_post_date,
article_edit_date, article_status, article_author_id
article_author_ip, author_display_name,
category_id, category_name--, comment_count AS @comment_count
FROM article
JOIN author ON author_id = article_author_id
JOIN category ON category_id = article_category_id
GROUP BY article_id, article_title, article_body, article_post_date,
article_edit_date, article_status, article_author_ip,article_author_id,
author_display_name, category_id, category_name
HAVING article_id = @article_id
END
GO
as you can see, im trying to return a comment_count value, but the only way I can do this is by defining the variable.
I have had to do it this way, because I cannot say COUNT(comment.comment_id) AS comment_count or it returns an error that it cant reference the comment.comment_id.
But when change it to FROM article, comment; I get errors about the article_author_id and article_comment_id.
And i cant add a join, because it would return the amount of rows of the comment...
unless someone could help with what i Just decribed (as i would prefer to do it this way), how would i return the variable value as part of the select statement?
Cheers
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Sep 29, 2006
I have a parent package (i.e. P) and a child package (C). I was able to easily pass a variable value from P to C. And C did computations and get a result (i.e. integer) and stored this integer to a variable (x).
Now I want the value of "x" to be passed back to P and store in P's variable (say Px). Anyone knows how to ?
Thanks
Steve
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