Current File : //proc/985914/root/data/old/usr/pgsql-9.6/share/extension/chkpass--1.0.sql
/* contrib/chkpass/chkpass--1.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION chkpass" to load this file. \quit
--
-- Input and output functions and the type itself:
--
CREATE FUNCTION chkpass_in(cstring)
RETURNS chkpass
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT VOLATILE;
-- Note: chkpass_in actually is volatile, because of its use of random().
-- In hindsight that was a bad idea, but there's no way to change it without
-- breaking some usage patterns.
CREATE FUNCTION chkpass_out(chkpass)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT IMMUTABLE;
CREATE TYPE chkpass (
internallength = 16,
input = chkpass_in,
output = chkpass_out
);
CREATE FUNCTION raw(chkpass)
RETURNS text
AS 'MODULE_PATHNAME', 'chkpass_rout'
LANGUAGE C STRICT;
--
-- The various boolean tests:
--
CREATE FUNCTION eq(chkpass, text)
RETURNS bool
AS 'MODULE_PATHNAME', 'chkpass_eq'
LANGUAGE C STRICT;
CREATE FUNCTION ne(chkpass, text)
RETURNS bool
AS 'MODULE_PATHNAME', 'chkpass_ne'
LANGUAGE C STRICT;
--
-- Now the operators.
--
CREATE OPERATOR = (
leftarg = chkpass,
rightarg = text,
negator = <>,
procedure = eq
);
CREATE OPERATOR <> (
leftarg = chkpass,
rightarg = text,
negator = =,
procedure = ne
);
COMMENT ON TYPE chkpass IS 'password type with checks';
--
-- eof
--
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