CLR Test Script SELECT Returns No Row Data
Sep 12, 2006
Hi,
The test.sql scripts I write to test CLR stored procedures run successfully, but when I want to display the resulting data in the database with a simple "SELECT * from Employee"
I get the result as:
Name Address
---- -------
No rows affected.
(1 row(s) returned)
But not the actual row is displayed whereas I would expect to see something like:
Name Address
---- -------
John Doe
No rows affected.
(1 row(s) returned)
I have another database project where doing the same thing displays the row information but there doesn't seem to be a lot different between the two.
Why no results in first case?
Thanks,
Bahadir
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Aug 3, 2007
how do i go about testing if my subquery returns a row, it should only return one row or none at all, here's what i've got so far
if exists (Select *
from roomBookings
where bookingID = 1 AND departureDate = @pPrevRowDate)
begin
end
thanks
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Jul 23, 2005
Grrr!I'm trying to run a script:print 'Declaring cursor'declare cInv cursor forward_only static forselectdistinctinv.company,inv.contact,inv.address1,inv.city,inv.state,inv.postalcode,inv.cmcompanyidfromdedupe.dbo.ln_invoice as invleft joindedupe.dbo.customerid as cidondbo.fnCleanString(inv.company) = cid.searchcowhere((inv.customerid is nulland cid.searchco is null)and (inv.date >= '01/01/2003' or (inv.date < '01/01/2003' andinv.outstanding > 0.01))and not inv.company is null)print 'Cursor declared'declare@contact varchar(75),@company varchar(50),@address1 varchar(75),@city varchar(30),@state varchar(20),@zip varchar(10),@cmcompanyid varchar(32),@iCount int,@FetchString varchar(512)open cInvprint 'cursor opened'fetch cInv into@company,@contact,@address1,@city,@state,@zip,@cmc ompanyidprint 'Cursor fetched @@Cursor_rows = ' + cast(@@cursor_rows asvarchar(5))All the prints are there to help me figure out what's going on!When I get to the Print 'Cursor fetched @@cursor_rows....the value is 0 and the script skips down to the close and deallocate.BUT, if I just highlight the Select...When section, I get over 2,000rows. What am I missing?Thanks.
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Dec 7, 2006
HiI have a query that is performing very strangely.I f I put a top statement in it returns rows,soSelect top 10 * from .......returns 10 rowsbut without it then no data is returnedSelect * from ..........returns 0 rows.
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Apr 11, 2008
Is there a way to check for System.BDNull when I use the column name instead of column index? The column Photographer (in the excample below) sometimes contains the value null, and then it throws an error. Or do I have to go back to counting columns (column index of the returned data) again? try { connection.Open(); using (SqlDataReader reader = command.ExecuteReader()) { if (reader.Read()) { albumItem = new Album((int)reader["Id"]); if (reader["Photographer"] != null) albumItem.Photographer = (string)reader["Photographer"]; albumItem.Public = (bool)reader["IsPublic"]; } } } Regards, Sigurd
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Nov 24, 2006
Hi, all here,
Thank you very much for your kind attention.
I am wondering if it is possible to use SSIS to sample data set to training set and test set directly to my data mining models without saving them somewhere as occupying too much space? Really need guidance for that.
Thank you very much in advance for any help.
With best regards,
Yours sincerely,
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Jul 20, 2005
Goodmorning,Could I have a SELECT statement that normally returns two rows,but that instead returns one row appending to the first row the secondone of the result ?For exampleQuery: "SELECT username from tab1 where year in (2001,2002)"Result:1° - "'John'"2° - "'Adam'"Instead I need:Result:"'John','Adam'"?I have Win2000 Pro , SqlServer2000.Thank You--Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
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Jan 21, 2004
hi,
i have the following query to sum the total due balance for a customer:
select sum(outstanding)from out where customer = 'myvariable' the problem is when the customer has no outstanding it returns NULL is there a way to return 0 when there are no outstanding?
thanks
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Aug 15, 2003
Hi,
I have DB monitoring jobs which use Sysperfinfo to monitor some of the counters. On One SQL 2K Server since few days the select on sysperfinfo returns 0.
Do you think I need to start any service from the OS side to enable this?
Your input is highly apppreciated.
Thanks,:confused:
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Jan 30, 2014
I'm trying to understand why I can enter a query such as:
select 5,"random"
from customers;
and get two columns with 5 and "random" in every respective column field.Why don't I receive a syntax error ?
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Jun 6, 2006
I am using the following conditional select statement but it returns no results.
Declare @DepartmentName as varchar
Set @DepartmentName = null
Declare @status as bigint
Set @status = 4
IF (@DepartmentName = null) BEGIN
SELECT CallNumber AS [Call Number], Problem, Solution, Note
FROM AdminView
WHERE (Status = @status)
ORDER BY CallLoggedDT
END
ELSE IF (@DepartmentName <> null) Begin
SELECT CallNumber AS [Call Number], Problem, Solution, Note
FROM dbo.AdminView
WHERE (Status = @status) AND
(DepartmentName = @DepartmentName)
ORDER BY CallLoggedDT
end
when i run the 2nd half by itself it tells me to declare @status but not @departmentname. whats going on???
Chris Morton
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Feb 10, 2004
Hi all,
I'm trying to be slick, but so far am just all wet *snicker*
I've got a table with rows that may or may not exist, and am trying to retrieve a column if an associate row DOES exist.
For argument's sake, my PIndex table looks like:
PID int
CreateDate smalldatetime
CloseID float
Here is my select logic that I thought would save an extra select to load my local variable if the row is actually in the table...
DECLARE @CloseID float
IF NOT EXISTS (SELECT @CloseID = CloseID
FROM PIndex
WHERE ((PID = '14') and
(CreateDate = '2004-02-06')))
SET @CloseID = 100
The SET afterwards is just to initialize the variable if it can't be had from an existing row in the table.
The trouble is, that it fails to compile with the following error:
>>>>> Line 3: Incorrect syntax near '='.
Any insights? My goal is to use a single select to load the value into my local variable if the associated row exists, or to set my local variable to 100 if it doesn't.
Thanks!
Paul
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Apr 24, 2008
I have a Select Distinct myfield that returns multiple rows with same value for myfield when it should only one. Why is this happening?
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Feb 22, 2006
If I run this statement in Query Analyzer, it properly returns 1for my testing table. But if I put the statement into a storedprocedure, the stored procedure returns NULL. What am I doingwrong? I suspect it may be related to how I defined the parametersfor the stored procedure. Perhaps my definition of TableName andColumnName don't match what COLUMNPROPERTY and OBJECT_ID expect toreceive, but I don't know where to look for the function declarationsfor those. Any pointers would be appreciated.Select statement:SELECT COLUMNPROPERTY(OBJECT_ID('Table1'), 'TestID', 'IsIdentity') ASIsIdentityTable definition:CREATE TABLE [dbo].[Table1] ([TestID] [numeric](18, 0) IDENTITY (1, 1) NOT NULL ,[Description] [varchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL) ON [PRIMARY]Stored Procedure definition:CREATE PROCEDURE spTest(@TableName varchar,@ColumnName varchar)AS SELECT COLUMNPROPERTY(OBJECT_ID(@TableName), @ColumnName,'IsIdentity') AS IsIdentity
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Jul 20, 2005
Does anyone know a select statement that would return the column namesand keys and indexes of a table?Thanks,TGru*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Feb 21, 2008
I have quite a few tables which allow NULL values. I have to struggle a lot with DBnull Exceptions :|example: col1,col2,... are all columns of type Integer and possibly NULL. var query = from person in table select new { person.col1, test = (int?) person.col2, person.col3, person.col4, ...}; As soon as my result encounters a DBNull value.. the whole query fails. This is really bad.How would I return the valid values.. and set the keys where there is no value to a null type? (e.g. int -> 0)I tried using "(int?)" but I'm not *really* sure what it does :-) Anyway.. it has no effect :-)
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May 18, 2006
Hello:
I need assistance writing a SELECT statement. I need data from a table that matches one (or more) of multiple criteria, and I need to know which of those criteria it matched. For instance, looking at the Orders table in the Northwind database, I might want all the rows with an OrderDate after Jan 1, 1997 and all the rows with a ShippedDate after June 1, 1997. Depending on which of those criteria the row matches, it should include a field stating whether it is in the result set because of its OrderDate, or its ShippedDate. One way of doing this that I've already tried is:
SELECT 'OrderDate' AS [ChosenReason], Orders.*FROM OrdersWHERE OrderDate > '1-1-1997'UNIONSELECT 'ShippedDate' AS [ChosenReason], Orders.*FROM OrdersWHERE ShippedDate > '6-1-1997'
In my application, scanning a table with thousands of records for five sets of criteria takes a few seconds to run, which is not acceptable to my boss. Is there a better way of doing this than with the UNION operator?
Thank you
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Mar 4, 2005
OK heres the situation, I have a Categories table and a Products table, each Category can have one or many Products, but a product can only belong to one Category hence one-to-many relationship.
Now I want to do a SELECT query that outputs all of the Categories onto an ASP page, but also displays how many Products are in each category eg.
CatID | Name | Description | No. Products
0001 | Cars | Blah blah blah | 5
etc etc
At the moment I'm doing nesting in my application logic so that for each category that is displayed, another query is run that returns the number of products for that particular category. It works ok!
However, is there a way to write a SQL Statement that returns all the Categories AND number products from just the one SELECT statement, rather than with the method I'm using outlined above? The reason I'm asking is that I want to be able to order by the number of products for each category and my method doesn't allow me to do this.
Many thanks!
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Oct 12, 2015
We are setting up a test lab environment with 100 machines. Â We want one master testing db that gets replicated to each to run scripted application tests nightly. Â
My goal is to minimize the amount of work to move this thing to each of the 100 test machines. Â I am wondering if we need to even have the sql local and invest in a monster db server with 100 copies of the db we restore and each test machine point to their own db on that server, or if I should use db mirroring or something to get the master test db to each of those machines instead.
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Oct 17, 2006
Now that we have a good programming model in SSIS - the question is whether to write automated unit tests for your packages, and would it generally be a good idea for packages?
Also - if yes to write tests - then where to find more informations regarding How to accomplish that?
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Nov 27, 2007
hi every one,
i need to test SSIS pacakge which will import data from different database where record count is around 5 millions.
iam planning to test it through c# code as well as manually also.
SSIS source : consist of 7 tables
SSIS destination :consist of 7 tables
Using c# code iam trying to run ssis package through batch file.
i am putting expected rowcount, column count in an excel file and comparing same with destination tables by writing query implementing ADO.Net concept.
am i going right way ,can any one suggest best and productive way to test the ssis package .
what are the other things i need to test it.
do any one can add test cases to it.
S.No
Test Case
1
Verify all the tables have been imported.
2
Verify all the rows in each table have been imported.
3
Verify all the columns specified in source query for each table have been imported
4
Verify all the data has been received without any truncation for each column.
5
Verify the schema at source and destination
6
Verify the time taken /speed for data transfer
7
Fields truncated due to difference in length of the field at destination.
Regards
Arif shareef
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Feb 28, 2007
Hi I have the following table and just wondered if theres an easy way of inserting test data with the image field not null?
Table: file
Fields: file_id(int), filename(varchar), data(image).
Any help would be great!
Cheers, Mark
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Jul 6, 2005
Hi all,
My Problem is Hoe the Stored Procedure returns data to the Calling Env.If it is fieds values then we can use the OUT Parameters.In Case of My SP returns more number of rows .Then how we capture the data and returs to the Calling Env.i know that we can use the Cursors in Oracle but how is it in SQLSERVER???????pls
pls Help me throw some samll exps.Any help Really appriciate..ThaksRams
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Jan 3, 2001
How can i insert test Data in to the Database,I want to insert one million records in to the table,This is to test Database Performance.
Can anyone help me in this regard,Do we have any scripts for this purpose???
thanks
Mar
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Jul 3, 2006
Hi,
I use SQL Server 2005 Dev Edition and am not new to making databases (then again, I've had enough experience and my dad does the same thing).
I am (unfortunately) a university student and for my dissertation I am going to produce a SQL Server database with a strong emphasis on data mining.
Obviously, for the data mining to be useful at all I need to produce loads and loads of test data.
Fair enough, and there are applications which do this, such as EMS Data Gen, but can anyone recommend me any other data gen utilities? EMS Data Gen has poor handling of unique attributes, and as I am doing a car manufacturer this will give me problems when I come to the registration number attribute.
Also, why are utilities for SQL Server (and Oracle at that) so expensive? This makes it out of my reach and makes it difficult to build a truly good database that will net me good marks, and demotivates me. :(
Lastly, please feel free to recommend to me any utilities for SQL Server - such as performance monitors, backup utilities. Anything. But if they are priced utilities, they have to be sensibly priced (<£100), because I cannot yet afford to pay >£1k on such utiltiies.
Thanks
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Feb 8, 2007
I've seen that sometimes is better to split the table into a test dataset and a training dataset, and I'll appreciate if anyone can explain why is this...
thanks
Santiago Aceñolaza
Argentina
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Dec 26, 2006
We have a website that accesses our SQL databases. In the past, we used our internal employees to improve our SQL databases. However, we want to outsource the work.
There is a lot of information we would like to keep private from the outsourcing.
Is there a way to efficiently make test data throughout our database without changing our original database?
Is a way to easily update our database to the new changes?
I found this product through Google€¦ EMS Data Generator for SQL Server
http://www.sqlmanager.net/en/products/mssql/datagenerator
Would this program help us make test data?
Thanks in advance
-Devin
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May 18, 2007
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Jun 28, 2006
SQLserver on Small Business Server for Win 2003.Client application updates records in DB. i.e. the content of a field isupdated from "First" to "Second"Client application closed and opend again. DB returns value "Second".Next morning _SOME_ - not all - of the updates seems missing. DB returnsthe value "First"The client software has run for years i several thousand installations,with MSDE/SQLserver on w2k and 2003 servers.This is the first time we have seen this spooky behavior. And it is thefirst time we are targeting SBS.Could there be some unflushed cache between client and SQLserver?Poul Petersen
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Sep 7, 2007
I have a table which has a row that contains a subreport. I'd like to set the visibility of the row to hidden if the subreport returns no data. I've played with a few techniques but can't seem to get it right. Any ideas?
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Dec 13, 2007
I have a stored procedure
Code Block
CREATE PROCEDURE WEA_SelectEmployeeListByCourseOrProject
@ProjectID int,
@CourseID int,
@blnIsSearch int,
@strUserName nvarchar(20)
AS
SET CONCAT_NULL_YIELDS_NULL OFF
DECLARE @strRole nvarchar(15),
@ContactID int
SELECT @strRole = Role, @ContactID = ContactID FROM Contact WHERE UserName = @strUserName
Select DISTINCT Contact.ContactID ID, UPPER(Surname + 'gd ' + Forename ) AS Description, UPPER(Surname + ' ' + Forename + ' ' + ContactReference) AS Description_CR
, UPPER(ISNULL(ContactReference,'')) ContactReference
FROM Contact
LEFT JOIN AssignedEmployee on Contact.ContactID = AssignedEmployee.ContactID
WHERE RUEmployee=1
AND
( ((@CourseID = 0 AND @blnIsSearch=1 ) OR COALESCE(AssignedEmployee.CourseID,0) = @CourseID))
AND
(@ProjectID = 0 OR COALESCE(AssignedEmployee.ProjectID,0) = @ProjectID)
AND
(
(@strRole = 'MIS_TUTOR' AND
(AssignedEmployee.ContactID = @ContactID
OR CourseID IN (SELECT CourseID FROM AssignedEmployee WHERE ContactID = @ContactID AND Lead = 1)
OR AssignedEmployee.ProjectID IN (SELECT ProjectID FROM AssignedEmployee WHERE CourseID IS NULL AND Lead = 1 AND ContactID = @ContactID))
)
OR
(@strRole <> 'MIS_TUTOR')
)
SET CONCAT_NULL_YIELDS_NULL ON
GO
now if i run this stored procedure in Query Analyzer like so...
exec wea_SelectEmployeeListByCourseOrProject 0,0,1,'K_T'
i get 48 records returned.
but if i lift the SQL out of the stored procedure and run it in Query Analyzer like so....
Code Block
SET CONCAT_NULL_YIELDS_NULL OFF
DECLARE @ProjectID int,
@CourseID int,
@blnIsSearch int,
@strUserName nvarchar(20)
SET @ProjectID = 0
SET @CourseID = 0
SET @blnIsSearch = 1
SET @strUserName = 'K_T'
DECLARE @Role nvarchar(15),
@ContactID int
SELECT @Role = Role, @ContactID = ContactID FROM Contact WHERE UserName = @strUserName
PRINT @ContactID
Select DISTINCT Contact.ContactID ID, UPPER(Surname + ' ' + Forename ) AS Description, UPPER(Surname + ' ' + Forename + ' ' + ContactReference) AS Description_CR
, UPPER(ISNULL(ContactReference,'')) ContactReference
FROM Contact
LEFT JOIN AssignedEmployee on Contact.ContactID = AssignedEmployee.ContactID
WHERE RUEmployee=1
AND
( ((@CourseID = 0 AND @blnIsSearch=1 ) OR COALESCE(AssignedEmployee.CourseID,0) = @CourseID)) -- the above line was modified to make sure only employees explicitly assigned to a project are brought back. unless it's a search
AND
(@ProjectID = 0 OR COALESCE(AssignedEmployee.ProjectID,0) = @ProjectID)
AND
(
(@Role = 'MIS_TUTOR'
AND ( (AssignedEmployee.ContactID = @ContactID OR CourseID IN (SELECT CourseID FROM AssignedEmployee WHERE ContactID = @ContactID AND Lead = 1)))
OR
AssignedEmployee.ProjectID IN (SELECT ProjectID FROM AssignedEmployee WHERE CourseID IS NULL AND Lead = 1 AND ContactID = @ContactID)
)
OR
(@Role <> 'MIS_TUTOR')
)
SET CONCAT_NULL_YIELDS_NULL ON
i only get 5 records returned???
so why do i get a difference when its the same SQL??
Username 'K_T' is of role 'MIS_TUTOR' therefore @Role = 'MIS_TUTOR'
any help on unravelling this mystery is appreciated!
Cheers,
Craig
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Nov 1, 1999
Hi.
Does anyone know if SQLServer 7.0 will generate dummy data for specific columns in tables?
TIA,
Jeff
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Nov 18, 2005
Here is my requirement.
There is a production database which has ever increasing data. For testing purposes though, I would like to build a test database with exactly the same schema but only a subset of data copied from the production database . I'll specify the criteria (something like a where clause in select query) for copying the data from the production database.
Is there a tool that anyone has come across to do this job ?
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