How to stop data flow SSIS when there is a lookup match output and carry on when No Match Output

Hello ,

I have a SSIS package that imports data from spreadsheet into temp table by checking if the data ( year column ) doesn't exist in destination table then will insert data into table. I would like the package to stop if it finds a matching year in destination table.

what the data flow looks like
Excel Source --> Data Conversion --> Lookup --> OLE DB Destination


Kind regards
deanmachine333Asked:
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Jim HornMicrosoft SQL Server Data DudeCommented:
>I would like the package to stop if it finds a matching year in destination table.
I'm not aware of any control that does a 'Stop the package if this expression happens', so what you could do is

  • Add a Row Count control after the lookup, assigning that row count to a variable (e.g. your_variable)
  • Add a precedence constraint (aka green arrow) immediately after the data flow task in question,with an expression of something like @[your_variable} == 0, which would mean that processing would only continue if that variable contained a zero.

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deanmachine333Author Commented:
thanks i have added this in the Control Flow.
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