The Ultimate Guide to High Availability with MariaDB

TIMEDIFF

Sintassi

TIMEDIFF(espr1, espr2)

Spiegazione

TIMEDIFF() restituisce espr1 - espr2 come valore TIME. espr1 ed espr2 sono espressioni TIME o DATETIME, ma entrambi devono essere dello stesso tipo.

Esempi

MariaDB [(none)]> SELECT TIMEDIFF('2000:01:01 00:00:00', '2000:01:01 00:00:00.000001');
+---------------------------------------------------------------+
| TIMEDIFF('2000:01:01 00:00:00', '2000:01:01 00:00:00.000001') |
+---------------------------------------------------------------+
| -00:00:00.000001                                              |
+---------------------------------------------------------------+
1 row in set (0.00 sec)

MariaDB [(none)]> SELECT TIMEDIFF('2008-12-31 23:59:59.000001', '2008-12-30 01:01:01.000002');
+----------------------------------------------------------------------+
| TIMEDIFF('2008-12-31 23:59:59.000001', '2008-12-30 01:01:01.000002') |
+----------------------------------------------------------------------+
| 46:58:57.999999                                                      |
+----------------------------------------------------------------------+
1 row in set (0.00 sec)

MariaDB [(none)]>

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