hstore_contained(PG_FUNCTION_ARGS)
{
	PG_RETURN_DATUM(DirectFunctionCall2(hstore_contains,
										PG_GETARG_DATUM(1),
										PG_GETARG_DATUM(0)
										));
}
hstore_contained(PG_FUNCTION_ARGS)
{
	PG_RETURN_DATUM(DirectFunctionCall2(hstore_contains,
										PG_GETARG_DATUM(1),
										PG_GETARG_DATUM(0)
										));
}