The documentation at
https://www.postgresql.org/docs/current/static/storage-vm.html says that
the visibility map "keeps track of which pages contain only unfrozen
tuples".
This is wrong; it keeps track of all-frozen pages not all-unfrozen.
Trivial patch attached.
--
Vik Fearing +33 6 46 75 15 36
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
Vik Fearing <vik.fearing@2ndquadrant.com> writes:
> The documentation at
> https://www.postgresql.org/docs/current/static/storage-vm.html says that
> the visibility map "keeps track of which pages contain only unfrozen
> tuples".
> This is wrong; it keeps track of all-frozen pages not all-unfrozen.
Yup. Pushed, thanks!
regards, tom lane