Function test_add

test/test_functions.js:21–23

(int1, int2)

  db.exec("CREATE TABLE test2 (int1, int2); INSERT INTO test2 VALUES (456, 789);");

  function test_add(int1, int2) {
    return int1 + int2;
  };

  db.create_function("TestAdd", test_add);
  result = db.exec("SELECT TestAdd(int1, int2) FROM test2;");