= CQL Cassandra driver image:https://img.shields.io/badge/license-MPL_2.0-blue.svg["License: MPL-2.0", link="https://www.mozilla.org/MPL/2.0/"] image:https://travis-ci.org/twittner/cql-io.svg?branch=develop["Build Status", link="https://travis-ci.org/twittner/cql-io"] This library uses the http://hackage.haskell.org/package/cql[cql] library which implements Cassandra's CQL protocol and complements it with the neccessary I/O operations. The feature-set includes: .Node discovery The driver discovers nodes automatically from a small set of bootstrap nodes. .Customisable load-balancing policies In addition to pre-built LB policies such as round-robin, users of this library can provide their own policies if desired. .Support for connection streams Requests can be multiplexed over a few connections. .Customisable retry settings Support for default retry settings as well as local overrides per query. .Prepared queries Prepared queries are an optimisation which parse and prepare a query only once on Cassandra nodes but execute it many times with different concrete values.