ScriptComponent With Multiple ReadOnly Variables
Dec 11, 2006
I'm having trouble with a script component in which I'm trying to use two ReadOnlyVariables. If I use only one of the two variables, everything works without issue. If I use both of the variables (as part of a comma-delimited list) I get the following:
The variable cannot be found. This occurs when an attempt is made to retrieve a variable from the Variables collection on a container during execution of the package, and the variable is not there. The variable name may have changed or the variable is not being created.
I don't believe the variables themselves are the problem. Both are scoped to the package level and I can use either of them if I have it as the only variable. Seems bug-like, but thought I'd get some ideas before pursuing that route.
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Aug 22, 2007
Hello,
I'm using SSIS variable in following scenario:
I need to set variable during runtime in script component and then use it to create and fill new column in my Data Flow.
So I'm using ReadWriteVariable of script component, and override PostExecute() method in ScriptMain where I set SSIS variable. Later in same data flow I need to use that variable to insert data into DB. However OLE DB Destination is not supporting parameters (I think) so I figured out that I'll use derived column and specify variable there and ADD AS NEW COLUMN.
Then I map new columnt to proper field in DB and everything should be ok.
It is not. Variables are working really strange in SSIS. Derived Column is not taking variable at runtime but before execution. So my new columns are set to whatever I'll set in designer variables window at design time. Am i doing something wrong?
It would be very stupid to provide variables in Derived Column component if it is imposible to change their values at runtime. (I could do the same using constant in Derived Columna and Variables are not needed then)
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Mar 29, 2007
Hello all,I'm trying to request a number of URLS (one for each user) from my database, then place each of these results into a separate string variables. I believed that SqlDataReader could do this for me, but I am unsure of how to accomplish this, or if I am walking down the wrong road. The current code is below (the section in question is in bold), please ignore the fact that I'm using MySQL as the commands work in the same way. public partial class main : System.Web.UI.Page{ String UserName; String userId; String HiveConnectionString; String Current_Location; ArrayList Location; public String Location1; public String Location2; public String Location3; //Int32 x = 0; private void Page_Load(object sender, EventArgs e) { if (User.Identity.IsAuthenticated) { UserName = Membership.GetUser().ToString(); userId = Membership.GetUser().ProviderUserKey.ToString(); HiveConnectionString = "Database=hive;Data Source=localhost;User Id=hive_admin;Password=West7647"; using (MySql.Data.MySqlClient.MySqlConnection conn = new MySql.Data.MySqlClient.MySqlConnection(HiveConnectionString)) { // Map Updates MySql.Data.MySqlClient.MySqlCommand Locationcmd = new MySql.Data.MySqlClient.MySqlCommand( "SELECT Location FROM tracker WHERE Location = IsOnline = '1'"); Locationcmd.Parameters.Add("?PKID", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = userId; Locationcmd.Connection = conn; conn.Open(); MySql.Data.MySqlClient.MySqlDataReader LocationReader = Locationcmd.ExecuteReader(); while (LocationReader.Read()) { Location1 = LocationReader.GetString(0); //Location2 = LocationReader.GetString(1); // This does not work.. } LocationReader.Close(); conn.Close(); // IP Display MySql.Data.MySqlClient.MySqlCommand Checkcmd = new MySql.Data.MySqlClient.MySqlCommand( "SELECT UserName FROM tracker WHERE PKID = ?PKID"); Checkcmd.Parameters.Add("?PKID", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = userId; Checkcmd.Connection = conn; conn.Open(); object UserExists = Checkcmd.ExecuteScalar(); conn.Close(); if(UserExists == null) { MySql.Data.MySqlClient.MySqlCommand Insertcmd = new MySql.Data.MySqlClient.MySqlCommand( "INSERT INTO tracker (PKID, UserName, IpAddress, IsOnline) VALUES (?PKID, ?Username, ?IpAddress, 1)"); Insertcmd.Parameters.Add("?IpAddress", MySql.Data.MySqlClient.MySqlDbType.VarChar, 15).Value = Request.UserHostAddress; Insertcmd.Parameters.Add("?Username", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = UserName; Insertcmd.Parameters.Add("?PKID", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = userId; Insertcmd.Connection = conn; conn.Open(); Insertcmd.ExecuteNonQuery(); conn.Close(); } else { MySql.Data.MySqlClient.MySqlCommand Updatecmd = new MySql.Data.MySqlClient.MySqlCommand( "UPDATE tracker SET IpAddress = ?IpAddress, IsOnline = '1' WHERE UserName = ?Username AND PKID = ?PKID"); Updatecmd.Parameters.Add("?IpAddress", MySql.Data.MySqlClient.MySqlDbType.VarChar, 15).Value = Request.UserHostAddress; Updatecmd.Parameters.Add("?Username", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = UserName; Updatecmd.Parameters.Add("?PKID", MySql.Data.MySqlClient.MySqlDbType.VarChar, 255).Value = userId; Updatecmd.Connection = conn; conn.Open(); Updatecmd.ExecuteNonQuery(); conn.Close(); } } } } Can anyone advise me on what I should be doing (even if its just a "you should be using this command) if this is not correct? In fact any pointers would be nice !Thanks everyone!
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Apr 11, 2007
I would like to use a custom build class library written in C# inside of the vb script. Does anyone know how to add the reference to the scriptComponent project once you open script through design script button?
By the way I am using visul studio 2005.
Thanks!
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May 17, 2006
Dear all,
I've created a Data Flow scenario as follow:
At first I've got a Flat File Source and then Script Component Task and then OleDb Destination, linked among them by arrows, of course. When I run the SSIS all of them is successfully executed except the last task. Why? I don't know but it isn't awared of nothing.
649 rows are passed to Script Component from the file but they aren't going to my Sql table.
Let me know any advice or thought regarding ths.
Thanks a lot,
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Jan 30, 2007
I am trying to set the TaskResult in my DataFlow ScriptComponent, but the Dts object is not visible.
Dts.TaskResult = Dts.Results.Failure
The above line works fine in my EventHandler script, but the Dts object seems to be out of scope when I try to use it from my Dataflow.
One thing I have noticed is that my DataFlow ScriptComponent inherits from 'UserComponent'
I have tried adding Microsoft.SqlServer.ScriptTask reference, but can not see it in the reference list - Strange?
Any help appreciated.
Regards,
Paul.
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Jul 21, 2006
Hi,
I am using OleDB source as well as Script component in my package. Both these component are using same database. But as of now I am using two connections for each of this comp as I am unable to make use of the OLE DB connection in script component.
How can I solve this. I mean how can I use the the OLE DB conn which I used in OLEDB Source comp in the Script Component.
Any help will be greatly appreciated.
Thanks
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Jun 6, 2000
Stored procedure retrieves a single row from a single table... Based on the specific values in 4 different columns, different branch actions are taken using 4 nested IF statements.
The question is, what is more efficient: storing column values in 4 variables and then evaluting each of them, or executing the same query 4 times?
Scenario A:
DECLARE @var1 char(20), @var2 char(20), @var3 char(20), @var4 char(20)
SELECT @var1 = col1, @var2 = col2, @var3 = col3, @var4 = col4
FROM theTable
WHERE rid = 12345
IF @var1 = 1
...
ELSE IF @var2 = 2
...
ELSE IF @var3 = 3
... etc.
---------------
Scenario B:
IF (SELECT col1 FROM theTable WHERE rid = 12345) = 1
...
ELSE IF (SELECT col2 FROM theTable WHERE rid = 12345) = 2
...
ELSE IF (SELECT col3 FROM theTable WHERE rid = 12345) = 3
... etc.
--------
Scenario A or B? Please advise...
TIA,
Alex
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Oct 23, 2007
I have an SSIS Packaget that worked a month ago and when I ran it today it didn't work. It's failing in the ScriptComponent in a DataFlow that I created as a Destination. The only thing the script does is record any value for a particular column and on the PostExecute method, writes the last instance of that column to a user variable in the Package. Here's the code. There is a string variable that I use to hold the column's value for each row received.
Public Class ScriptMain
Inherits UserComponent
Dim s_remit_addr As String
Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Me.s_remit_addr = Row.remitaddr.ToString()
End Sub
Public Overrides Sub PostExecute()
Dim variables As Variables
Variables.gsremitaddr = Me.s_remit_addr
MyBase.PostExecute()
End Sub
It will always bomb in PostExecute with the error that the variable User::gs_remit_addr is not the same type as the variable I'm using (s_remit_addr); HOWEVER, the user variable is of type String and it worked a month ago. Does anyone have any idea how I can fix it?
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May 30, 2008
I was wondered what the most efficient way to do the following in MS SQL (2000, 2005, and above):
Psudo Code:
DECLARE @var1, @var2, @var3 VARCHAR(100)
SET @var1, @var2, @var3 = (SELECT var1, var2, var3 FROM Table WHERE [ID] = @someID) <-- Returns only one row
Right now I'm making a call for every variable. I should play around with temp tables but seems like allot of overhead code just to get 3 values. I'm thinking there's a simple way to do this.
Thanks for any ideas
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Apr 18, 2005
It's come up more than once for me, where I need to DECLARE and SET several SQL variables in a Stored Procedure where many of these values come from the same table record - what is the best method for doing this, where I don't have to resort to making a separate query for each value.
Currently I'll do something like this:
DECLARE @var1 intSET @var1 = (SELECT TOP 1 field1 FROM table1 WHERE recordkey = @somekey)DECLARE @var2 nvarchar(20)SET @var2 = (SELECT TOP 1 field2 FROM table1 WHERE recordkey = @somekey)
Of course, I'd rather just have to query "table1" just once to assign my variables.
What obvious bit of T-SQL am I missing?
Thank you in advance.
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Apr 6, 2006
Hello,
Is there a way to assign multiple variables to one select statement as in the following example?
DECLARE @FirstName VARCHAR(100)
DECLARE @MiddleName VARCHAR(100)
DECLARE @LastName VARCHAR(100)
@FirstName, @MiddleName, @LastName = SELECT FirstName, MiddleName, LastName FROM USERS WHERE username='UniqueUserName'
I don't like having to use one select statement for each variable I need to pull from a query. This is in reference to a stored procedure.
Thank you!
Cody
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Nov 12, 2007
Dear all,
I have a problem writing to the output of my script. I am using the Script Component. I tried various examples but still cannot write to an output of the Script Component.
Scenario: Single input. Several outputs where the data is split based on a specific input value. I use synchronized Input/Output and the DirectRowTo<OutputName> to direct the row to a specific output
Outputs :
Output_Matched
Output_Unmatched_Agresso
Output_Unmatched_Oracle
Output_Unmatched_Multiple
The script:
Public Overrides Sub InputMerged_ProcessInputRow(ByVal Row As InputMergedBuffer)
'
' Add your code here
'
Select Case Row.Countall
Case 1
If Row.Originate = 1 Then
Row.DirectRowToOutput_Unmatched_Agresso()
Else
Row.DirectRowToOutput_Unmatched_Oracle()
End If
Case 2
Row.DirectRowToOutput_Matched()
Case Else
Row.DirectRowToOutput_Unmatched_Multiple()
End Select
End Sub
All the Row.DirectTo..... are underlined with the popup-message saying...'DirectRowTo....' is not a member of 'ScriptComponent....'
Kind Regards
Carl.
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May 21, 2008
I'd like to be able to call different packages from a control flow. These packages will have different requirements for parameters therefore I'd like to create them dynamically.
Is this possible? Can I do it using a script task?
Thanks in advance.
Ben
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Aug 28, 2007
Hi All,
I was wondering if it is possible to assign values to multiple variables from within the same execute sql task, ie I want to use only one execute sql task and have multiple T-SQL statements within it and then assign the results of these sql statemenst as values to multiple variable.
Typically I would declare variables var1 , var2 and var3 , then can I just add one execute sql task and have mutiple sql statements within it? something like this
select max(id) from table1
select max(id) from table2
select max(id) from table3
Thanks
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Jun 22, 2004
Hi all,
I am using SQLHelper to run a Stored Procedure.
The Stored Procedure returns 3 variables:
ie:
SELECT @Hits = COUNT(DISTINCT StatID) FROM Stats
...etc...
The SP is currently called as below:
SqlParameter[] sqlParams = new SqlParameter[]
{
new SqlParameter("@FromDate", Request["FromDate"]),
new SqlParameter("@ToDate", Request["ToDate"]),
};
My question is this: How do I retrieve these variables?
I know I need to declare a new SqlParameter and change it's Direction to Output but I am unsure of the exact syntax required to do this.
Thanks in advance,
Pete
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Jan 28, 2015
how can i put multiple values in the variables.
for eg:
Declare @w_man as varchar
set @w_man = ('julial','BEVERLEYB', 'Lucy') and few more names.
I am getting syntax error(,)
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Jul 20, 2005
Hi, figured out where I was going wrong in my post just prior, but isthere ANY way I can assign several variables to then use them in anUpdate statement, for example (this does not work):ALTER PROCEDURE dbo.UpdateXmlWF(@varWO varchar(50))ASDECLARE @varCust VARCHAR(50)SELECT @varCust = (SELECT Customer FROM tblWorkOrdersWHERE WorkOrder=@varWO)DECLARE @varAssy VARCHAR(50)SELECT @varAssy=(SELECT Assy FROM tblWorkOrdersWHERE WorkOrder=@varWO)UPDATE statement here using declared variables...I can set one @variable but not multiple. Any clues? kinda new tothis.Thanks,Kathy
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Apr 12, 2008
I have a MSSQL2000 table called partspec.dbo.locationIn this table are 2 smallint columns: Tester (numbered 1-40) and Line (numbered with various integers)I am trying to create a stored procedure to read the tester number like so:Select Tester from partspec.dbo.location where Line = 2which will return up to 5 tester number results, lets say 11, 12, 24, 29 ,34My question is how do I store these tester numbers into 5 variables so that I may use them later in the sp ? So it would go something like this:CREATE PROCEDURE Table_Line
(@Tester1 integer,@Tester2 integer,@Tester3 integer,@Tester4 integer,@Tester5 integer)ASSELECT Tester FROM partspec.dbo.location where Line = 2Now this is where I'm confused on how to get 1 value into 1 variable and so on for all 5 values returned. This is what I would like to happen:
@Tester1 = 11@Tester2 = 12@Tester3 = 24@Tester4 = 29@Tester5 = 34GOThank you for any and all assistance.
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Jun 9, 2006
Hi there,
This seems a bug to me. Or does anyone has a logical explanation that escapes me?
When in SSIS Designer Version 9.00.1399.00 I add output columns (numeric 4,0 ) to a scriptcomponent and fill them with valid numeric data in thescript I get a database error 'invalid number' when I use these columns in an OLE db Command-transformation . This errormessage disappears when I replaces those columns by a dataconversion to the datatype they originally have.
Derived Column Name Derived Column Expression
STATUS_DEF Replace 'STATUS_DEF' (DT_NUMERIC,4,0)STATUS_DEF
Maybethis info is usefull for somebody else who can't figure out wathever he's doing wrong.
Paul Baudouin
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Sep 21, 2015
If I have a stored procedure that returns 15 tables, how do I distinguish the tables to assign variables to each table in c#?
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Nov 29, 2006
I have downloaded and installed ASP.NET Ajax Sample applications from
http://ajax.asp.net/default.aspx?tabid=47&subtabid=471
I am trying to run the AJAX TaskList example under C:ProgramMicrosoft ASP.NETASP.NET AJAX Sample Applicationsv1.0.61025TaskList
First I moved the content of the TaskList folder to a virtual IIS directory, making it possible to debug the website on my local IIS server.
When I run the example I get prompted to Login or register as a new user. When I submit the registration form I receive the following error message:
Failed to update database "C:INETPUBWWWROOTTASKLISTAPP_DATAASPNETDB.MDF" because the database is read-only.
How can I modify the permissions for ASPNETDB.MDF in order to run the TaskList example.
Thanks
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Dec 28, 2006
I copied over a small website to 2003 Web Server and got: Exception Details: System.Data.SqlClient.SqlException:
Failed to update database
"D:INETPUBWWWROOTLUNCHCOUNTAPP_DATALUNCHCOUNT.MDF" because the
database is read-only. It works just fine in VS - what to do? Thanks
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Jun 9, 2004
Hi,
I have sciprt that assign object
permissions to all databases.
I want to exclude all read only and dbo use only databases
Thank you
Alex
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Jan 29, 2004
we have a database that only serves Select requests (no OLTP) for our very high traffic websites.
what are the benefits of turning on read-only setting for the database if there are no transactions occuring in the database?
does sql server put locks on tables for SELECT statements?
is it the same as using HINT (NOLOCK) ?
thanks
stephane
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Mar 1, 2005
Hi,
We have a SQL server database on remote server. We are using ODBC connection to read and write into the table. But we have another user wants to retrieve(readonly access) our data on his pages. How can we create a user on our database and grant readonly access to that user?
Thanks..
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Oct 12, 2007
Using SQL Express in this case, I have a database on one machine using one instance of SQLExpress that I detach. I then copy the database to a USB drive and take it to a different machine and attach it to a different SQL Express instance and it comes in as ReadOnly and I know of no way to change it.
One difference is that I have different users on the two systems, is that the cause? I wouldn't think that this would cause the database to show as ReadOnly, thoughI would just think that I may not be able to access it aside from using sa.
What is the likely cause of this?
Thanks
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Dec 7, 2007
Dear All,
I need experienced advice on Security in SQL Server 2005. All I need specific advice on restrcting users to access SQL Server database to have only READ access for certain tables.
Thanks,
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Mar 1, 2008
I am having a SSIS package which imports data from Excel (2003) files on the netoprk.
Its so happenning that one of those files are opened by someone else & package is giving AcquireConnection error.
As Package is only reading data from the files, i want to open the files in ReadOnly mode
How can remove this error ?
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May 20, 2007
Is there any way to provide a readonly custom property in the ProvideComponentProperties() method of a custom PipelineComponent implementation?
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Mar 20, 2007
I have two replicated databases i.e.
1. Database 1 is a live database where all live applications point
2. Database 2 is a replica of Database 1 and all reporting / BI applications point to this db. This is read-only.
Is it possible for reporting applications, pointing to Database 2, to create temporary tables in the read-only database?
Thanks
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Jun 21, 2004
Hi experts,
Pls let me know , how to make normal db to readonly + accept tran logs
Rgds
Srinivas Varanasi.
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Aug 3, 2006
Hi,I have a prod database (main bread & bread DB) and have a small accessdatabase that sales team is using... I created a login inside SQL 2000and gave db_read permission and SELECT permissions... and public.Role of public is EXEC store procs and view some systables...I linked those tables that I gave permissions through ODBC link intoaccess db with the user that I created inside SQL as readonly user...but to my surprise when I ran a insert query from access on SQLtables... I was able to update and insert data... if my ODBC link isonly for readonly.. why was I able to unpdate & insert data into SQLtable?I don't want to give write/update/insert permissions for SQL tables tosales team... or anyone outside SQL 2000 server DB.Is there any easy way to create viewonly users inside SQL?I created users like this: security -logins -new login...select none serverrole.. db access (bread & butter DB)Thank you,hj******Pardon my English...
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