On Feb 21, 2012, at 15:01, Tom Lane wrote: > "David E. Wheeler" <da...@justatheory.com> writes: >> Is there a reason that hashtext() and friends are not documented? > > Yes. They are internal functions that exist for the convenience of the > system, not for users. We've discussed this before, and decided that > we don't want people to rely on them continuing to have exactly the > current behavior. One example of a possible future change is to widen > the results from 4 bytes to 8.
And hashtext *has* changed across versions, which is why Peter Eisentraut published a version-independent hash function library: https://github.com/petere/pgvihash Michael Glaesemann grzm seespotcode net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
