SELECT vec_to_string(parse_vec('[1.0, 2.0]'));

+----------------------------------------------+
| vec_to_string(parse_vec(Utf8("[1.0, 2.0]"))) |
+----------------------------------------------+
| [1,2]                                        |
+----------------------------------------------+

SELECT vec_to_string(parse_vec('[1.0, 2.0, 3.0]'));

+---------------------------------------------------+
| vec_to_string(parse_vec(Utf8("[1.0, 2.0, 3.0]"))) |
+---------------------------------------------------+
| [1,2,3]                                           |
+---------------------------------------------------+

SELECT vec_to_string(parse_vec('[]'));

+--------------------------------------+
| vec_to_string(parse_vec(Utf8("[]"))) |
+--------------------------------------+
| []                                   |
+--------------------------------------+

SELECT vec_to_string(vec_mul('[1.0, 2.0]', '[3.0, 4.0]'));

+---------------------------------------------------------------+
| vec_to_string(vec_mul(Utf8("[1.0, 2.0]"),Utf8("[3.0, 4.0]"))) |
+---------------------------------------------------------------+
| [3,8]                                                         |
+---------------------------------------------------------------+

SELECT vec_to_string(vec_mul(parse_vec('[1.0, 2.0]'), '[3.0, 4.0]'));

+--------------------------------------------------------------------------+
| vec_to_string(vec_mul(parse_vec(Utf8("[1.0, 2.0]")),Utf8("[3.0, 4.0]"))) |
+--------------------------------------------------------------------------+
| [3,8]                                                                    |
+--------------------------------------------------------------------------+

SELECT vec_to_string(vec_mul('[1.0, 2.0]', parse_vec('[3.0, 4.0]')));

+--------------------------------------------------------------------------+
| vec_to_string(vec_mul(Utf8("[1.0, 2.0]"),parse_vec(Utf8("[3.0, 4.0]")))) |
+--------------------------------------------------------------------------+
| [3,8]                                                                    |
+--------------------------------------------------------------------------+