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Slides from a presentation on FluidDB by Terry Jones on April 20, 2010 to the NYC Python Meetup.
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FluidDBTerry Jones
[email protected]@terrycojones
Information
The physical world is writable
(in some sense)
Our brains are writable
And we (programmers) have looked after our own needs pretty well
A magic trick
Making a problem disappear
1248
163264
128256512
1024?????
+
Making a problem disappear
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110
1001000
10000100000
100000010000000
1000000001000000000
10000000000 +
1248
163264
128256512
1024?????
+
VIII XVII XLIVLXXX XCVICCLV
Representation
VIII XVII XLIVLXXX XCVICCLV +
Representation
VIII XVII XLIVLXXX XCVICCLV
D+
Representation
VIII XVII XLIVLXXX XCVICCLV
D+
Representation
FluidDB
Make working with information more natural
Make the (computational) world writable
A single global shared database
The database with the heart of a wiki?
A FluidDB app:
Tickery
Python libs
Fluid Object Mapper (FOM), by Ali Afshar
fdb.py, by Nicholas Radcliffe
txFluidDB (Twisted!), by Tristan Seligmann
FluidDB Explorer, by Pier Parent
twitter.com/friends/jack
A FluidDB object
⎧⎨⎩
⎫⎬⎭
twitter.com/users/status_count
terrycojones/people/works-at-bitly
twitter.com/users/screen_name
terrycojones/met
fluiddb/about
sally/comment
jamie/rating
hmason
“badass coder”
4191
7
“twitter.com:uid:765548”
FluidDB is mainly Python
Twisted (http://twistedmatrix.com)
AMQP (txAMQP, RabbitMQ)
Thrift (txThrift)
Pyjamas (for Tickery)
txJSONRPC (Tickery)
More info
Private alpha sign up:
http://fluidinfo.com/accounts/new
Then mail [email protected]
Blog: http://blogs.fluidinfo.com/fluidDB
Docs: http://doc.fluidinfo.com/fluidDB
Information model
Objects with tags (with values)
Objects have no owners
A permissions system on tags
Tags organized into namespaces
A simple query language
Queries
Numeric: tag value (=, <, etc.)
Set contents: tag contains “great”
Exclusion: price > 20 except rating < 3
Tag presence: has tag
Grouping/logic: (...), and, or
Textual: tag text match (coming!)
Permissions
For each action on a namespace or tag:
There’s a policy: ‘open’ or ‘closed’
And a (perhaps empty) list of exceptions
API
HTTP / REST based
JSON arguments & replies
A dozen client-side libraries (Python, Perl, Ruby, .Net, Java, etc)
Other APIs planned (XMPP, Thrift)