--
-- CREATE_FUNCTION_1
--

CREATE FUNCTION widget_in(cstring)
   RETURNS widget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT IMMUTABLE;

CREATE FUNCTION widget_out(widget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT IMMUTABLE;

CREATE FUNCTION city_budget_in(cstring)
   RETURNS city_budget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT IMMUTABLE;

CREATE FUNCTION city_budget_out(city_budget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT IMMUTABLE;

CREATE FUNCTION check_primary_key ()
	RETURNS trigger
	AS '@libdir@/refint@DLSUFFIX@'
	LANGUAGE C;

CREATE FUNCTION check_foreign_key ()
	RETURNS trigger
	AS '@libdir@/refint@DLSUFFIX@'
	LANGUAGE C;

CREATE FUNCTION autoinc ()
	RETURNS trigger
	AS '@libdir@/autoinc@DLSUFFIX@'
	LANGUAGE C;

CREATE FUNCTION ttdummy ()
        RETURNS trigger
        AS '@libdir@/regress@DLSUFFIX@'
        LANGUAGE C;

CREATE FUNCTION set_ttdummy (int4)
        RETURNS int4
        AS '@libdir@/regress@DLSUFFIX@'
        LANGUAGE C STRICT;

CREATE FUNCTION make_tuple_indirect (record)
        RETURNS record
        AS '@libdir@/regress@DLSUFFIX@'
        LANGUAGE C STRICT;

CREATE FUNCTION test_atomic_ops()
    RETURNS bool
    AS '@libdir@/regress@DLSUFFIX@'
    LANGUAGE C;

-- Tests creating a FDW handler
CREATE FUNCTION test_fdw_handler()
    RETURNS fdw_handler
    AS '@libdir@/regress@DLSUFFIX@', 'test_fdw_handler'
    LANGUAGE C;

-- Things that shouldn't work:

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
    AS 'SELECT ''not an integer'';';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
    AS 'not even SQL';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
    AS 'SELECT 1, 2, 3;';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
    AS 'SELECT $2;';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
    AS 'a', 'b';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
    AS 'nosuchfile';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
    AS '@libdir@/regress@DLSUFFIX@', 'nosuchsymbol';

CREATE FUNCTION test1 (int) RETURNS int LANGUAGE internal
    AS 'nosuch';