?: Ja, es wird Arbeit sein. Und Sie können es locker überprüfen, indem Sie:
select md5('test');
Ergebnis:
+----------------------------------+
| md5('test') |
+----------------------------------+
| 098f6bcd4621d373cade4e832627b4f6 |
+----------------------------------+
Oder:
select md5('e5e3were760lkj792c7t5vm61bvk_20160729T200000Z');
Ergebnis:
+------------------------------------------------------+
| md5('e5e3were760lkj792c7t5vm61bvk_20160729T200000Z') |
+------------------------------------------------------+
| 06b5a13d9a7b0ed26ab1406434954972 |
+------------------------------------------------------+
Oder:
create table t(id_google_calendar varchar(100), hash varchar(100));
insert into t values ('e5e3were760lkj792c7t5vm61bvk_20160729T200000Z', '');
update t set Hash = md5(id_google_calendar);
select * from t;
Ergebnis:
+-----------------------------------------------+----------------------------------+
| id_google_calendar | hash |
+-----------------------------------------------+----------------------------------+
| e5e3were760lkj792c7t5vm61bvk_20160729T200000Z | 06b5a13d9a7b0ed26ab1406434954972 |
+-----------------------------------------------+----------------------------------+