On 1/22/18 17:11, Michael Krüger wrote: > I do not fully understand the reasoning of making sequences > transactional in the first place. It was sequence DDL that was made transactional. Sequence use is still nontransactional. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services