[Haskell-cafe] Fwd: Datomic-like db for Haskell?
ovidiudeac at gmail.com
Fri Dec 23 17:41:34 UTC 2016
> * Would using a snapshot-based revision control system like Git be an
> option? If yes, you could use the [filestore] library.
It's not exactly what I had in mind but I'll think about it.
> * Another option is to run an insertion-only relational model on
> really any database system you want like PostgreSQL. There is
> nothing about preserving history that needs special handling to be
I assume that some sort of structural sharing is needed once the
collections grow above a certain size. Also some support for caching would
> * Yet another option is to model your application state with history
> and use [acid-state]. However, acid-state only makes an in-memory
> Haskell value (the "database") persistent with ACID guarantees. If
> you mostly work with the current state, keeping the whole history in
> memory all the time would be a waste. Therefore this option may be
> less useful.
The database will probably grow bigger than the memory so this is not an
...and thanks for the pointers
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