My SSIS package fails with the error:
The type of the value being assigned to variable differs from the
current variable type.
I declared a variable of type string and corresponding column name in SQL table is varchar(33). If I use data type as object it succeeds but again i need to use the variable value in an expression for connection string and there object type is not supported.
Please help me how to proceed.
Note: The goal of my SSIS package is to get server list from a table (that's where it fails) and execute some script with a foreach loop container in all the servers.
If I'm reading your question right, what you actually need are two variables: one is an Object variable that receives the data from your SQL table, and one is a String value that you will pass to your ForEach loop.
The difference between them is that your Object variable can hold multiple rows, while your String value can only hold a single item at a time. What you will do is declare an Object variable, populate it with a list of the servers, then use a ForEach loop to step through each item in the list, feeding the values one at a time to your String variable. You will then use the String variable to set up the script you mentioned, and execute it once per server.
For further reading, there is an excellent walkthrough here that will give you screenshots and examples of what I am talking about.
I know i am replying to this thread very late, below explanation is for people who see this in future.
I encountered this situation recently. I did the below
Firstly my Record Set Destination Variable of object type. Using For Each Loop container, i mapped each and every row data(with multiple columns) to an variable(s) of OBJECT type. When i use any other datatypes other than OBJECT datatype for variable(s) i got the error as below
Error: ForEach Variable Mapping number 3 to variable "User::EMPID" cannot be applied.
Then I used the variable(s) of object type in my Execute SQL Task and it inserts data successfully without any error.
Thumb Rule: Map Record Set Destination output to the variable of
OBJECT type.
I encountered this situation recently. I did the below
Firstly my Record Set Destination Variable of object type.
Using For Each Loop container, i mapped each and every row data(with multiple columns) to an variable(s) of OBJECT type. When i use any other datatypes other than OBJECT datatype for variable(s) i got the error as below
Error: ForEach Variable Mapping number 3 to variable "User::EMPID" cannot be applied.
Then I used the variable(s) of object type in my Execute SQL Task and it inserts data successfully without any error.
Thumb Rule: Map Record Set Destination output to the variable of OBJECT type.
Related
I have a flow. In that flow, there is a case statement based on Document type.
After this case statement there will be an object populated with some metadata. I want to store this object against a variable. So that i can create the object later in the flow, no matter what case was selected.
I have two issues:
To set an object variable, i can't use the Word Template object, because it may be one of two.
My question on this is, how would I populate the variable with the correct object that was just populated in the Statement?
When i try to create a document using the variable with the object, i can't open the document. Can you create an object using an object that is stored in a variable?
After i create a document using the object stored in the variable, this is what I get. I can only assume that the create file method doesn't like using object variables?
Any help would be much appreciated.
I want to insert values into database when the biml code is ran and the package has completed expansion is this possible using BIML or c#?
I have a table called BIML expansion created in my DB and I have test.biml which loads the package test.dtsx whenever the BIML expansion is completed a record should be inserted into my table that expansion has been completed.
Let me know if you have any questions or needs any additional info.
From comments
I tried your code
string connectionString = "Data Source=hq-dev-sqldw01;Initial Catalog=IM_Stage;Integrated Security=SSPI;Provider=SQLNCLI11.1";
string SrcTablequery=#"INSERT INTO BIML_audit (audit_id,Package,audit_Logtime) VALUES (#audit_id, #Package,#audit_Logtime)";
DataTable dt = ExternalDataAccess.GetDataTable(connectionString,SrcTablequery);
It has an error below must declare the scalar variable audit_id can you let me know the issue behind it?
In it's simplest form, you'd have content like this in your Biml script
// Define the connection string to our database
string connectionStringSource = #"Server=localhost\dev2012;Initial Catalog=AdventureWorksDW2012;Integrated Security=SSPI;Provider=SQLNCLI11.1";
// Define the query to be run after *ish* expansion
string SrcTableQuery = #"INSERT INTO dbo.MyTable (BuildDate) SELECT GETDATE()";
// Run our query, nothing populates the data table
DataTable dt = ExternalDataAccess.GetDataTable(connectionStringSource, SrcTableQuery);
Plenty of different ways to do this - you could have spun up your own OLE/ADO connection manager and used the class methods. You could have pulled the connection string from the Biml Connections collection (depending on the tier this is executed in), etc.
Caveats
Depending on the product (BimlStudio vs BimlExpress), there may be a background process compiling your BimlScript to ensure all the metadata is ready for intellisense to pick it up. You might need to stash that logic into a very high tiered Biml file to ensure it's only called when you're ready for it. e.g.
<## template tier="999" #>
<#
// Define the connection string to our database
string connectionStringSource = #"Server=localhost\dev2012;Initial Catalog=AdventureWorksDW2012;Integrated Security=SSPI;Provider=SQLNCLI11.1";
// Define the query to be run after *ish* expansion
string SrcTableQuery = #"INSERT INTO dbo.MyTable (BuildDate) SELECT GETDATE()";
// Run our query, nothing populates the data table
DataTable dt = ExternalDataAccess.GetDataTable(connectionStringSource, SrcTableQuery);
#>
Is that the problem you're trying to solve?
Addressing comment/questions
Given the query of
string SrcTablequery=#"INSERT INTO BIML_audit (audit_id,Package,audit_Logtime) VALUES (#audit_id, #Package,#audit_Logtime)";
it errors out due to #audit_id not being specified. Which makes sense - this query specifies it will provide three variables and none are provided.
Option 1 - the lazy way
The quickest resolution would be to redefine your query in a manner like this
string SrcTablequery=string.Format(#"INSERT INTO BIML_audit (audit_id,Package,audit_Logtime) VALUES ({0}, '{1}', '{2})'", 123, "MyPackageName", DateTime.Now);
I use the string library's Format method to inject the actual values into the placeholders. I assume that audit_id is a number and the other two are strings thus the tick marks surrounding 1 and 2 there. You'd need to define a value for your audit id but I stubbed in 123 as an example. If I were generating packages, I'd likely have a variable for my packageName so I'd reference that in my statement as well.
Option 2 - the better way
Replace the third line with .NET library usage much as you see in heikofritz on using parameters inserting data into access database.
1) Create a database Connection
2) Open connection
3) Create a command object and associate with the connection
4) Specify your statement (use ? as your ordinal marker instead of named parameters since this is oledb)
5) Create an Parameter list and associate with values
Many, many examples out there beyond the referenced but it was the first hit. Just ignore the Access connection string and use your original value.
I am running that uses multiple Foreach Loop Containers and want to run them simultaneously. However, I get the error message -
COM error object information is available. Source:
"ADODB.Recordset" error code: 0x800A0BCD Description: "Either BOF or
EOF is True, or the current record has been deleted. Requested
operation requires a current record."
Obviously, once one Foreach Loop process completes the result set gets dropped.
To get around this I assumed you can pass the same data to different variables like so -
Then in each of the loops just change the DBList, with one Foreach Loop being DBList and the other DBList2 -
However, I receive the error message -
There is an invalid number of result bindings returned for the
ResultSetType: "ResultSetType_Rowset".
Is it impossible to run multiple Foreach Loops concurrently?
You can run foreach loops concurrently, but you have to get your resultset into multiple object type variables and you also have to have 2 sets of variables you would use for the variable mappings for each of the foreach loops.
Example:
Your data flow will consist of a source, multicast and 2 different RecordSet destinations:
The example source here is just returning 1 column of a list of numbers. We multiple cast that into 2 separate RecordSet Destinations that are then assigned to their own object variable type. In this example I have 2 variables, User::RecordSet1 and User:RecordSet2.
Then each of the foreach loops is configured to each of those variables:
Then you have separate variables for each of the foreach loops:
From there you'll need to make sure you're using the appropriate set of variables in whatever code you have in each of the foreach loops.
Instead of using an Execute SQL Task, create a Data Flow, and then use a SQL Query as your Source (probably OLE DB Source). Then pipe that to a Multicast, with outputs to two different Recordset Destinations. In the Component Properties tab, set the VariableName to one of your object variables, then click on the Input Columns to choose which columns you want to include. Do the same for the other Recordset Destination, choosing your second object variable this time, and again selecting which columns to include. Then go back to your Control Flow and link the Data Flow you just created to your two Foreach Loop Container.
I am getting below error while running my ssis package.
Error: COM error object information is available. Source: "ADODB.Recordset" error code: 0x800A0BCD Description: "Either BOF or EOF is True, or the current record has been deleted. Requested operation requires a current record.".
I am storing a value in an object variable using RecordSetDestination. And I am passing the object variable in 3 ForEachLoop containers and I am trying to run it parallel. If one of the container is passed then the rest of them getting failed.
Below is the same configuraiton in all 3 ForEachLoop's
Any property needs to change or object variable need to rest or we can't use the object variable for parallel exec in ForEach ADO Enumerator.
Need your input here... Thanks
The problem is the variable for the recordset.
The first option would be you add three data flows like origins pointing each one to a different variable.
The second is adding a multicast in your initial data flow, with three outputs, each one pointing to a different variable.
Then you go to each Foreach Loop Container and set the respective variable in the Enumerator configurarion section.
As Ferdipux proposed, try to run Foreach Loops sequentially. This worked for me.
I'm trying to create an SSIS package that reads a mapping table that contains foreign key information and tables they point to and store the full result set to be used to populate 7 columns representing columns in the result set that is then used to update an xxxSID column on 6 servers.
I'm stuck! Please help.
I've created the SQL Task with query to build the result set and mapped to object variable SidMap and the task runs successfully however, I don't know where to go from there. Some blogs say create a ForEachLoop Container and map the object variable to the collection which I've done. I've also created string variables representing the 7 columns but don't know how to populate them.
The blogs I've read so far suggest this can only be done from a Script task. Is that true? If so how is it done?
Another user posted a question that sounded like he may be doing the same or very similar thing using a SQL Task but I didn't see how he was populating the column object variables and then converting data into string variables.
SSIS Result set, Foreachloop and Variable
Currently I'm updating tables manually using a cursor. If anyone cares to see the code I can post it but didn't think it relevant to the question other than providing a clear picture of what I'm doing.
I would create a For Each Loop Container using the Foreach ADO Enumerator, and map the object variable to the collection. I would map the 7 string variables on the Variable Mappings page.
This process is documented in detail here:
http://technet.microsoft.com/en-us/library/cc879316.aspx
A common "gotcha" is mismatched datatypes between the result set and the Variables. To avoid this I always wrap CAST ( ... AS NVARCHAR ( 4000 ) ) or similar around the columns in the dataflow that produces the dataset, and all my receiving Variables are String datatype.