How do I filter the rows that Heroku Connect synchronizes from Salesforce?
You have some data in Salesforce Objects that you don't want Connect to synchronize. Often, because it's too old for your application to find interesting.
Connect is a synchronization product and does not support filtering of data at this time.
We are aware of that this may be of interest to customers, however, at this time, we do not have a plan to support this feature.