Zdenek Kotala wrote:
It seems to me that citex_cmp can return any integer value. It depends
what wcscoll() returns. I think it should be changed to:

SELECT citext_cmp('B'::citext, 'a'::citext) > 0 AS one;

The comment in varstr_cmp() claims that it returns -1, 0 or 1. That's not accurate then.

Comment and test case fixed. I considered changing varstr_cmp to really return -1, 0 or 1, but I didn't because the behavior has been unchanged for ages and all the callers are happy with it. That's a heavily called function so any extra cycles there could make a difference.

--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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