Re: [ANN] guile-wiredtiger 0.6

[Amirouche <amirouche@hypermove.net>]

I recommend you ping before using it. I am amz3 on #guile @ 
irc.freenode.net.


Le 27/05/2017 à 11:12, Amirouche a écrit :
> Héllo!
>
> I am pleasedto announce the immediate availability of 
> guile-wiredtiger. A database system for guile.
>
> wiredtiger in a few bullet points:
>
> - ACID
> - NoSQL (in the sens it has no (sugar) SQL DSL)
> - networkless
> - automatic index
> - multithread support
> - ordered key/value store
> - it requires no setup (like sqlite)
> - it does prefix compression (nice for timeseries)
> - it does compression
> - it does encryption
>
> It's similar to leveldb, rocksdb and bsddb. The creator of wiredtiger 
> did previously code bsddb now part of oracle.
>
> It only works on 64bit systems.
>
> At the very core, it's a configurable ordered key/value store, column 
> aware, with global transactions.
>
> It's not cache database like REDIS.
>
> It's more powerful than RDBMS model and can implement it (demonstrated 
> in [1]).
>
> [1] 
> http://hyperdev.fr/notes/somewhat-relational-database-library-using-wiredtiger.html
>
> The low level API allows to create tables (!) with two kind of 
> columns: key columns and value columns (somewhat like cassandra). Then 
> you can lookup entries in the database using the key with search 
> procedures. There is two kinds of search procedure. One does exact 
> match of the whole key columns, the other does an approximate match, 
> where you lookup for a key prefix (This is actuallly very useful). 
> Once you have a pointer to  an entry in the table you can navigate it 
> quickly using next and previous procedures (remember the table is 
> ordered).
>
> There is higher level abstractions like a graphdb with gremlin-like 
> querying, a feature space with microkanren querying and an inverted 
> index for looking up words in documents.
>
> You can get it using the following command:
>
>   git clone https://framagit.org/a-guile-mind/guile-wiredtiger.git
>
> I created several toy projects using this library, actually all my 
> work is based on this library:
>
> - https://framagit.org/a-guile-mind/culturia
> - https://framagit.org/a-guile-mind/hyper
> - https://framagit.org/a-guile-mind/nanoblog/
> - https://framagit.org/a-guile-mind/azul
>
> And various posts:
>
> - http://hyperdev.fr/notes/getting-started-with-guile-wiredtiger.html
> - http://hyperdev.fr/notes/getting-started-with-guile-uav-database.html
> - 
> http://hyperdev.fr/notes/somewhat-relational-database-library-using-wiredtiger.html
> - 
> http://hyperdev.fr/notes/a-graph-based-movie-recommender-engine-using-guile-scheme.html
>
> The project is far from perfect as it's still not packaged and the 
> document is not up to the Guile standard but it's usable.
>
>
> Happy hacking!
>