create table NOW()

[klaoun]

hello everyone
I suggest you change now() to "1999-99-99 99:99:99" because now() cannot be a defined value. What do you think ? thanks

[osworx]

@klaoun : no, see my last PR

[klaoun]

hi @osworx i see
try look or read this discussion
it's a same problem for plugin guestbook
Piwigo/Piwigo-Guest-Book#8

[klaoun]

the difference

DATETIME and TIMESTAMP
Supported range for DATETIME is '1000-01-01 00:00:00' to '9999-12-31 23:59:59' while for TIMESTAMP, it is '1970-01-01 00:00:01' UTC to '2038-01-09 03:14:07' UTC.
Prior to MySQL 5.6.4, TIMESTAMP requires 4 bytes (+3 bytes for fractional seconds) to store the data while DATETIME requires 8 bytes (+3 bytes for fractional seconds).
As of MySQL 5.6.4, DATETIME requires 5 bytes + 3 additional bytes for fractional seconds data storing.
In MySQL5+, TIMESTAMP value converts from the current time to UTC and vice-versa while DATETIME does not do any conversion.
TIMESTAMP differs with current time zone settings while DATETIME remains constant.
TIMESTAMP data can be indexed while the DATETIME data cannot.
Queries with DATETIME will not be cached but queries with TIMESTAMP will be cached.

TIMESTAMP is better than DATETIME.
then in a timestamp if we want the posted date to be displayed. How should we do it ?
create table commentsonalbum (date TIMESTAMP default CURRENT_TIMESTAMP) index KEY date

Are you ok ?

thanks

[osworx]

TIMESTAMP and CURRENT_TIMESTAMP should be the best option (have no problems with that in my latest installation).

Have read the discussion at the guestbook (which I do not use), same is valid there.