Val Waeselynck
2017-07-09 12:03:17 UTC
Just wrote this blog post: Datomic, this is not the history you're looking
for
<http://vvvvalvalval.github.io/posts/2017-07-08-Datomic-this-is-not-the-history-youre-looking-for.html>
---
*In this post, I'll describe some common pitfalls regarding the use of the
'time-travel' features of Datomic (db.asOf(), db.history(), :db/txInstant).*
*We'll see that, unlike what many people think when they start using
Datomic, these historical features of Datomic are not so useful for
implementing custom time-travel features in the business logic of
applications - rather for generic database-related tasks.*
*I'll then try to describe the distinction between 'event time' and
'recording time', which is my analysis of what Datomic historical features
essentially represent.*
---
Hope this helps, feedback is welcome.
Cheers,
Val
for
<http://vvvvalvalval.github.io/posts/2017-07-08-Datomic-this-is-not-the-history-youre-looking-for.html>
---
*In this post, I'll describe some common pitfalls regarding the use of the
'time-travel' features of Datomic (db.asOf(), db.history(), :db/txInstant).*
*We'll see that, unlike what many people think when they start using
Datomic, these historical features of Datomic are not so useful for
implementing custom time-travel features in the business logic of
applications - rather for generic database-related tasks.*
*I'll then try to describe the distinction between 'event time' and
'recording time', which is my analysis of what Datomic historical features
essentially represent.*
---
Hope this helps, feedback is welcome.
Cheers,
Val
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