tonsky/datascript — pull request #12 by allgress (2014-06-15 01:35:46+00:00)
Title: Merge allgress query analysis branch to tonsky.

This branch adds query analysis and the ability to listen only for transactions that would affect a particular query. The query analysis remembers which parts of the index are used in the query, and transacted datoms are analyzed to see if they update any of these. May be a useful performance optimization, rather than notifying all listeners of all transactions and leaving it to the listener to query against tx-data, decide if any changes are relevant, etc.

Not sure if this is the best approach, particularly since the logic is essentially duplicated between the query and analysis functions. Also some annoying whitespace changes I didn't catch before committing, sorry.