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?

Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:

Reply via email to