GWicke added a comment. In https://phabricator.wikimedia.org/T76373#943426, @Smalyshev wrote:
> Proposed storage format for dates: > > 1. Dates are stored as long signed integers, representing number of seconds > since 1970-01-01 00:00:00 UTC. > 2. This gives us range of 292 bln years > <http://www.wolframalpha.com/input/?i=9223372036854775807+seconds+in+years>. > 3. When parsing the date, if they year is below 292000000 (by absolute value) > we use Java functions, and hope they work right with the calendar, etc. > 4. Beyond year 292M, we just count in whole years - i.e. the number stored is > years*SECONDS_IN_YEAR We should double-check that this transition is actually monotonic. In doubt, we can use the timestamp for year 292M according to Java + (year - 292M) * SECONDS_IN_YEAR. TASK DETAIL https://phabricator.wikimedia.org/T76373 REPLY HANDLER ACTIONS Reply to comment or attach files, or !close, !claim, !unsubscribe or !assign <username>. EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Smalyshev, GWicke Cc: Smalyshev, Manybubbles, GWicke, JanZerebecki, aude, Lydia_Pintscher, Eloquence, aaron, jkroll, Wikidata-bugs, daniel _______________________________________________ Wikidata-bugs mailing list Wikidata-bugs@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata-bugs
