mbostock/d3 — pull request #849 by muddydixon (2012-10-07 14:20:20+00:00)
Title: Add Query Language for JSON feature.

I want to handle JSON array easily in d3.js.

select, where, group, distinct, count are implemented.
join has not been implemented yet.

USAGE is written in test/ql/ql-test.js.