ITAGAKI Takahiro <itagaki.takahiro@oss.ntt.co.jp> writes:
> I found include/storage/itempos.h is not included from any sources.
> What is it for? Should we remove it from the source tree?
Yeah, looks that way. Seems to be a hangover from one of the
Berkeley-era experiments with large objects --- I found several
references to ItemSubposition in the v4r2 sources, but there are
certainly none in Postgres now.
regards, tom lane