On Jul 3, 2008, at 00:19, Teodor Sigaev wrote:
Hash opclass is 5-times simpler that btree one :)CREATE FUNCTION citext_hash(mchar) RETURNS int4 AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE RETURNS NULL ON NULL INPUT; CREATE OPERATOR CLASS citext_ops DEFAULT FOR TYPE mchar USING hash AS OPERATOR 1 = (citext, citext), FUNCTION 1 citext_hash(citext);
Thanks. What would citext_hash() look like? I don't see a text_hash() to borrow from anywhere in src/.
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