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Have you thought about a "read at timestamp" construct in RethinkDB? It's not really an MVCC thing, and you can work around it in data model, but for lots of r
by pquerna 12y ago
Have you thought about a "read at timestamp" construct in RethinkDB?
It's not really an MVCC thing, and you can work around it in data model, but for lots of reports (say, running in a cronjob), I want to run a query "as" the database saw things from at midnight UTC, even if i start running it at 2am? It would also make reports a more reproducible... but maybe this is really a datamodel problem. I felt when I read the Google Spanner papers that it was a pretty potentially useful feature for Read-Only queries.
- coffeemug 12y agoCurrently you'd have to do it in the data model as you would in any other database. It's a pretty cool idea, though -- I'll think about what we can do (though admittedly, this is a bit removed from the current direction).
- emidln 12y agoI frequently use Datomic for this and it's awesome.