On Thu, Aug 4, 2016 at 5:16 AM, Craig Ringer <cr...@2ndquadrant.com> wrote: > On 3 August 2016 at 22:54, Álvaro Hernández Tortosa <a...@8kdata.com> wrote: >> What would it take to support it? Isn't the varlena header propagated >> everywhere, which could help infer the real length of the string? Any >> pointers or suggestions would be welcome. > > > One of the bigger pain points is that our interaction with C library > collation routines for sorting uses NULL-terminated C strings. strcoll, > strxfrm, etc.
That particular bit of the problem would go away if this ever happened: https://wiki.postgresql.org/wiki/Todo:ICU ucoll_strcoll takes explicit lengths (though optionally accepts -1 for null terminated mode). http://userguide.icu-project.org/strings#TOC-Using-C-Strings:-NUL-Terminated-vs.-Length-Parameters -- Thomas Munro http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
