Itai Zukerman <zukerman@math-hat.com> writes:
> Does anyone know of any examples of using STORAGE with GiST?
[ greps... ] contrib/btree_gist, contrib/rtree_gist, contrib/ltree,
contrib/tsearch all seem to use that option. I believe the point
is to store a different datatype in the index than is used in the
column being indexed.
regards, tom lane