Today’s release of ql.io 0.5 includes the following changes:

• Enable caching on ql.io response. You can add using headers clause to routes to add arbitrary response headers, as in return 'hello' via route '/hello' using method get using headers 'Cache-Control' = 'max-age=3600';
• [Experimental] Enable caching of responses from APIs for select statements. create table statements can now include an expires <interval> clause to specify an interval for caching responses of select statements, as in create table auto.compute.key on select get from 'http://a.uri.net' ... expires 10;
• Process gzip/deflate encoded responses from upstream servers.
• Support Content-Encoding for incoming requests and gzip/deflate encode responses.
• Several bug fixes to maintain hierarchical logging of script execution. You can handle events emitted by the engine to log script execution flow. Watch this blog for an example soon.
• Factor out cluster management to a new module cluster2 to support deployments on CloudFoundry and Heroku.
• New URI /api to navigate tables and routes - see En Route for details.
• Support delete statements.
• Upgrade CodeMirror to 2.22 to resolve some quirks in the console UI.
• Add a page to show all installed npm packages. Try http://:/deps (or http://localhost:3001/deps).
• Support custom xml2json convertors to enable clients interop with legacy XML APIs.
• Recover shutdown/stop from extraneous pid files.
• Simplify response decoding. In stead of setting encoding on the response, collect buffers into array, and then decode in the default impl of ‘parse response’.
• Removed /in-flight requests api.
• Enable numbers in in clause and args of udfs
• Export version from each module. You can find version of a module using require('ql.io-<somemodule>').version.
• Include version number in User-Agent and Server headers.
• Support scatter-gather for requests with bodies by adding a foreach 'param' for the using bodyTemplate cluase. This allows scripts to batchup POST and PUT requests.
• Support ejs body templates.
• Skip files that don’t end with .ql.
• “/ecv” check returns network ip instead of loopback address
• Let the engine allow a monkey patch to parse the response. Useful to process binary formats like avro.