localhost 5.5.33-0+wheezy1:test  mysql> CREATE TABLE geom (g GEOMETRY);
Query OK, 0 rows affected (0.11 sec)

localhost 5.5.33-0+wheezy1:test  mysql> INSERT INTO geom (g)
    -> VALUES(PolygonFromText('POLYGON((
    '> 9.190586853 45.464518970,
    '> 9.190602686 45.463993916,
    '> 9.191572471 45.464001929,
    '> 9.191613325 45.463884676,
    '> 9.192136130 45.463880767,
    '> 9.192111509 45.464095594,
    '> 9.192427961 45.464117804,
    '> 9.192417811 45.464112862,
    '> 9.192509035 45.464225851,
    '> 9.192493139 45.464371079,
    '> 9.192448471 45.464439002,
    '> 9.192387444 45.464477861,
    '> 9.192051402 45.464483037,
    '> 9.192012814 45.464643592,
    '> 9.191640825 45.464647090,
    '> 9.191622331 45.464506215,
    '> 9.190586853 45.464518970))')
    -> );
Query OK, 1 row affected (0.10 sec)

localhost 5.5.33-0+wheezy1:test  mysql> SELECT g FROM geom;
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| g                                                                                                                                                                                                                                                                                                 |
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|              x]���a"@�B�[u�F@��ݬ�a"@�a'd�F@��s�b"@�*Kjd�F@��H$"@�D��`�F@�u��_b"@��q`�F@0��p\b"@N9|g�F@t����b"@��R6h�F@i�Z��b"@���
                                                                                                                                   h�F@�S��b"@[ ��k�F@4k�u�b"@����p�F@m8"��b"@�I��r�F@5Hh��b"@[�t�F@^{��Tb"@.t�F@���Ob"@���py�F@,��b"@��K�y�F@�yRb"@\�t�F@x]���a"@�B�[u�F@                                                                                                 |
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

localhost 5.5.33-0+wheezy1:test  mysql> SELECT asText(g) FROM geom;
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| asText(g)                                                                                                                                                                                                                                                                                                                                                                                                                                       |
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| POLYGON((9.190586853 45.46451897,9.190602686 45.463993916,9.191572471 45.464001929,9.191613325 45.463884676,9.19213613 45.463880767,9.192111509 45.464095594,9.192427961 45.464117804,9.192417811 45.464112862,9.192509035 45.464225851,9.192493139 45.464371079,9.192448471 45.464439002,9.192387444 45.464477861,9.192051402 45.464483037,9.192012814 45.464643592,9.191640825 45.46464709,9.191622331 45.464506215,9.190586853 45.46451897)) |
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+