Re: [HACKERS] pgcryto strangeness...

On Sat, Jan 05, 2002 at 04:39:31PM -0500, Tom Lane wrote:
> You could add
>
> CREATE FUNCTION digest(text, text) RETURNS bytea
> AS 'MODULE_PATHNAME',
> 'pg_digest' LANGUAGE 'C';
>
> which should work fine since the internal representation of text isn't
> really different from that of bytea.

This is so obvious that I would like to make it 'official'.

Seems like the theology around bytea<>text casting kept me from
seeing the simple :)

As this should go under 'polishing' I hope it gets into 7.2.

--
marko

Index: contrib/pgcrypto/pgcrypto.sql.in
===================================================================
RCS file: /opt/cvs/pgsql/pgsql/contrib/pgcrypto/pgcrypto.sql.in,v
retrieving revision 1.6
diff -u -r1.6 pgcrypto.sql.in
--- contrib/pgcrypto/pgcrypto.sql.in 29 Sep 2001 03:11:58 -0000 1.6
+++ contrib/pgcrypto/pgcrypto.sql.in 7 Jan 2002 04:11:00 -0000
@@ -1,6 +1,8 @@

+-- drop function digest(text, text);
-- drop function digest(bytea, text);
-- drop function digest_exists(text);
+-- drop function hmac(text, text, text);
-- drop function hmac(bytea, bytea, text);
-- drop function hmac_exists(text);
-- drop function crypt(text, text);
@@ -14,6 +16,10 @@



+CREATE FUNCTION digest(text, text) RETURNS bytea
+ AS 'MODULE_PATHNAME',
+ 'pg_digest' LANGUAGE 'C';
+
CREATE FUNCTION digest(bytea, text) RETURNS bytea
AS 'MODULE_PATHNAME',
'pg_digest' LANGUAGE 'C';
@@ -21,6 +27,10 @@
CREATE FUNCTION digest_exists(text) RETURNS bool
AS 'MODULE_PATHNAME',
'pg_digest_exists' LANGUAGE 'C';
+
+CREATE FUNCTION hmac(text, text, text) RETURNS bytea
+ AS 'MODULE_PATHNAME',
+ 'pg_hmac' LANGUAGE 'C';

CREATE FUNCTION hmac(bytea, bytea, text) RETURNS bytea
AS 'MODULE_PATHNAME',