SSIS Tries To Insert NULL Value Into A Destination Column Ignored In The Mapping.

Jan 12, 2008

Hello everyone,

I am having a little problem with a simple package and I do not know if this is a known issue or that I am missing something.

I have a data flow task, a simple one, with an oledb source pulling data, using a select statement, from a sql server 2005 instance, and an ole db destination pointing to a table in a sql server 2000 instance. Both intances are standard edition. The table in the destination has a column which allow null values and has also a default constraint (getdate()), and this column is not present in the source. When I map the columns in the destination, I leave this column as "ignore", not being mapped to any column from the source. The problem is that when I execute the task, SSIS is trying to insert NULL value into this column, so the package fail with the error "can not insert NULL value into column myColumn". I wonder why is it trying to insert NULL value if the column is not mapped to any column from the source.

Is this a known issue or I am nissing something in the settings?

If the destination table has rowversion or identity columns, there is no problem ar all. I ignore those columns in the mapping and SQL Server feeds them as expected.

Thanks in advance,
Alejandro Mesa

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Server Error in '/' Application.


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Line 89: sContact.Phone = sPhone.Text.Trim
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Line 92:
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System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +734966
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System.Data.SqlClient.SqlDataReader.Read() +9
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System.Data.SqlClient.SqlCommand.ExecuteScalar() +148
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SubSonic.DataService.ExecuteScalar(QueryCommand cmd) +37
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SubSonic.ActiveRecord`1.Save() +31
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System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

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|
/
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Jun 10, 2015

Import.csv file looks like,

TABLE_NAME DESC CODE
tab1 table1 A
tab1 table1 B
tab1 table1 C
tab2 table2 D
tab2 table2 E
tab2 table2 G...

First column values are table names which are already exists in target database. Next two columns[Desc],[Code] data gets populate from CSV file to table.

In this scenario, how to load tab1 data into the same table in destination and so on.

Which way will be more standard to accomplish this task? If its a script task using C#, looking for clear script to identify a value changes in the first column.

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MS SQL SERVER 2005 BUG?? Cannot Insert NULL Into Column Diagram_id

Jun 4, 2006

Hi friends,

when trying to save a diagram I got an error:
The sp_creatediagram procedure attempted to return a status of NULL, which is not allowed.

Whats with this????

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Stuck Between Cannot Insert The Value NULL Into Column 'ID' And Violation Of PRIMARY KEY Constraint

Jan 20, 2004

Cannot find an answer to this in previous posting, though there are similar topics.

My primary key "ID" requires a value (is not nullable), and not explictly providing it with one when I update a new record gives the following error:

Cannot insert the value NULL into column 'ID', table 'AdClub.mediaq.News'; column does not allow nulls. INSERT fails.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Cannot insert the value NULL into column 'ID', table 'AdClub.mediaq.News'; column does not allow nulls. INSERT fails.

However, trying to stuff that field with a recordCount+1 value (or any value), I get this error:

Violation of PRIMARY KEY constraint 'Primary Key'. Cannot insert duplicate key in object 'News'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Violation of PRIMARY KEY constraint 'Primary Key'. Cannot insert duplicate key in object 'News'.

Cannot figure this one out. The value I'm providing for that field is known to be unique, but the SQL Server spits it out each time.

Is there a way to have the ID primary field automatically update with a new value when a new record is generated? This is how I used to do it in Access, but cannot find a similar feature in SQL Server. I'm sure I'm missing something simple, but right now I'm stuck in this "Catch-22" situation.

Please help!

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