On Tue, May 16, 2017 at 3:19 AM, Ashutosh Bapat <ashutosh.ba...@enterprisedb.com> wrote: > While earlier, I thought the same, I am wondering whether this is > true. Don't different collations deem different strings equal e.g one > collation may deem 'aa' and 'AA' as same but other may not.
No, that's not allowed. This has been discussed many times on this mailing list. See varstr_cmp(), which you will notice refuses to return 0 unless the strings are bytewise identical. > Or is that > encoding problem being discussed in hash functions thread? No, that's something else entirely. -- 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