Expression won't evaluate for property
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I am attempting to parameterize the three properties for checkpoints in a SSDT 2017 SSIS project and keep receiving this error for the CheckpointUsage property:
Error loading: The result of the expression "@[$Project::parCheckpointUsage]" on property cannot be written to the property.
The expression was evaluated, but cannot be set on the property.
I have the data type set as a string and the value of "IfExists".
How do I go about resolving this issue and is there a way I can look up what data types properties use?
Thank you for any help!
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I was able to reproduce this error. Have you had success setting this property by Expression in the past? Perhaps this is a property which cannot be parameterised ...
If the answer to your question can be found with a brief Google search, please perform the search yourself, rather than expecting one of the SSC members to do it for you.
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I have not tried setting this in the past. I was going off the assumption that since they give me the option to set CheckpointUsage using an expression that it would work. I wouldn't be surprised though if it isn't one that can be set. I just find it odd that it will let me select it when I go into the expressions window.
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I agree with you.
If the answer to your question can be found with a brief Google search, please perform the search yourself, rather than expecting one of the SSC members to do it for you.
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