On Wed, Apr 8, 2020 at 3:51 PM Mark Dilger <mark.dilger@enterprisedb.com> wrote:
> Recently, as part of testing something else, I had need of a tool to create
> surgically precise corruption within heap pages. I wanted to make the
> corruption from within TAP tests, so I wrote the tool as a set of perl modules.
There is also pg_hexedit:
https://github.com/petergeoghegan/pg_hexedit
--
Peter Geoghegan