On 21 February 2012 20:01, Tom Lane <t...@sss.pgh.pa.us> 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.
My pg_stat_statements normalisation patch actually extends the underlying hash_any() function to support 8 byte results, exactly as currently anticipated by comments above that function, while supplying a compatibility macro that is used by existing hash_any() clients. -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
