> For some datatypes, the compress method might be useful even if the leaf
> type is the same as the column type. For example, you could allow
> indexing text datums larger than the page size, with a compress function
> that just truncates the input.
Agree, and patch allows to use compress method in this case, see begining of
spgdoinsert()
> Could you find some use for this in one of the built-in or contrib
> types? Just to have something that exercises it as part of the
> regression suite. How about creating an opclass for the built-in polygon
> type that stores the bounding box, like the PostGIS guys are doing?
Will try, but I don't have nice idea. Polygon opclass will have awful
performance until PostGIS guys show the tree structure.
> The documentation needs to be updated.
Added.
--
Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/
