great responses, thank you guys, Dmitriy Fot --------------------------------- [email protected]
On 7 December 2012 19:51, Jens Alfke <[email protected]> wrote: > > On Dec 7, 2012, at 12:32 AM, Dmitriy Fot > <[email protected]<mailto:[email protected]>> wrote: > > - Is it right decision to use an array for the timestamp, or it is > better to use a long? > > Depends what you’ll be using it for. The array you have is great if you’ll be > doing a lot of tests based on the components of the date, i.e. all the posts > from November 2012. If you just need to compare times or look at the interval > between two times, a numeric timestamp is best (at the expense of not being > directly human-readable.) A string timestamp is more compact than an array > and can be converted into either a number or components by the JS Date class, > although the conversion is somewhat expensive. > > (Another thing to consider about timestamps is whether you need to remember > the time zone or not. For most purposes you can just pre-convert everything > to UTC, but for some queries you might want to know the local time, i.e. > “what time of day do people post most often?”) > > —Jens
