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--
-- CREATE_FUNCTION_0
--
-- Create a bunch of C functions that will be used by later tests:
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 trigger_return_old ()
RETURNS trigger
AS '@libdir@/regress@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;
CREATE FUNCTION test_fdw_handler()
RETURNS fdw_handler
AS '@libdir@/regress@DLSUFFIX@', 'test_fdw_handler'
LANGUAGE C;
CREATE FUNCTION test_support_func(internal)
RETURNS internal
AS '@libdir@/regress@DLSUFFIX@', 'test_support_func'
LANGUAGE C STRICT;
CREATE FUNCTION test_opclass_options_func(internal)
RETURNS void
AS '@libdir@/regress@DLSUFFIX@', 'test_opclass_options_func'
LANGUAGE C;
CREATE FUNCTION test_enc_conversion(bytea, name, name, bool, validlen OUT int, result OUT bytea)
AS '@libdir@/regress@DLSUFFIX@', 'test_enc_conversion'
LANGUAGE C STRICT;
CREATE FUNCTION binary_coercible(oid, oid)
RETURNS bool
AS '@libdir@/regress@DLSUFFIX@', 'binary_coercible'
LANGUAGE C STRICT STABLE PARALLEL SAFE;
-- Things that shouldn't work:
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
AS 'SELECT ''not an integer'';';
ERROR: return type mismatch in function declared to return integer
DETAIL: Actual return type is text.
CONTEXT: SQL function "test1"
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
AS 'not even SQL';
ERROR: syntax error at or near "not"
LINE 2: AS 'not even SQL';
^
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
AS 'SELECT 1, 2, 3;';
ERROR: return type mismatch in function declared to return integer
DETAIL: Final statement must return exactly one column.
CONTEXT: SQL function "test1"
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
AS 'SELECT $2;';
ERROR: there is no parameter $2
LINE 2: AS 'SELECT $2;';
^
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE SQL
AS 'a', 'b';
ERROR: only one AS item needed for language "sql"
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
AS 'nosuchfile';
ERROR: could not access file "nosuchfile": No such file or directory
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
AS '@libdir@/regress@DLSUFFIX@', 'nosuchsymbol';
ERROR: could not find function "nosuchsymbol" in file "@libdir@/regress@DLSUFFIX@"
CREATE FUNCTION test1 (int) RETURNS int LANGUAGE internal
AS 'nosuch';
ERROR: there is no built-in function named "nosuch"
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