On Fri, Jun 9, 2017 at 1:45 PM, Peter Eisentraut <peter.eisentr...@2ndquadrant.com> wrote: > On 6/9/17 12:17, Robert Haas wrote: >> IOW, suppose there >> were a collation API call distill() which had the property that >> strcmp(distill(X), distill(Y)) == 0 iff X and Y are considered equal >> under that collation. Then, you could define your hash function as >> hash_any(distill(X)). Alternatively, if the collation library >> provided its own hashing function, that would be fine too, and >> probably faster. > > Isn't that what strxfrm() is?
Yeah, just with bugs. If ICU has a non-buggy equivalent, then we can make this work. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
