Robert Haas <robertmhaas@gmail.com> writes:
> No, you're missing the point. The patch doesn't need to add
> pageinspect--1.6.sql at all, nor does it remove pageinspect--1.5.sql.
> It only needs to add pageinspect--1.5--1.6.sql and change the default
> version to 1.6. No other changes are required.
Right, this is a new recommended process since commit 40b449ae8,
which see for rationale.
Use, eg, commit 11da83a0e as a model for extension update patches.
regards, tom lane