Vertica has provided several built in time stamp key words for our convenience:
Examples:
Code: Select all
dbadmin=> select timestamp 'today' midnight_today,
dbadmin-> timestamp 'yesterday' midnight_yesterday,
dbadmin-> timestamp 'tomorrow' midnight_tomorrow,
dbadmin-> time 'allballs' midnight_utc_time;
midnight_today | midnight_yesterday | midnight_tomorrow | midnight_utc_time
---------------------+---------------------+---------------------+-------------------
2012-04-11 00:00:00 | 2012-04-10 00:00:00 | 2012-04-12 00:00:00 | 00:00:00
(1 row)
Thanks