Congrats! 2017年5月27日 下午5:17,"Amirouche" <[email protected]>写道:
> 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-librar >> y-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-librar >> y-using-wiredtiger.html >> - http://hyperdev.fr/notes/a-graph-based-movie-recommender-eng >> ine-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! >> >> > >
