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CHANGES.md

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Apr 17, 2012

  • When joining, use '==' to maintain backwards compat

Apr 16, 2012

  • Minor cleanup of event names and classes to make the API less specific.

Apr 15, 2012

  • Refactor logging to error, access, proxy and default logs. The proxy log file contains outgoing req/resp, access log contains incoming requests, error log contains all errors and warnings, and the rest go to ql.io.log. All these files are rotated.

Apr 13, 2012

  • Include a payload with begin events

Apr 12, 2012

  • Support local offset and limit

Apr 11, 2012

  • Cleanup logging (first phase)
  • Fix the case of alias names with joins and UDFs.

Apr 08, 2012

  • Support null values in Values

Apr 07, 2012

Apr 02, 2012

  • Experimental UDF support.

Mar 30, 2012

  • Release version 0.5.

Mar 29, 2012

  • Fix regression in uri-template formatter (ql-io#409).

Mar 28, 2012

  • Upgrade cluster2, and also pass ecvPath to cluster2
  • Fix issue 404
  • Cache config param for cache provider changed from cache.name to cache.impl
  • If cache provider not found with the given token then try to find it relative to "node_modules" of process.cwd().

Mar 25, 2012

  • Add using headers clause on return statements. Here is an example.

    return 'hello' via route '/hello' using method get using headers 'Cache-Control' = 'max-age=3600'

Mar 22, 2012

  • Externally supply Cache to engine through config.
  • Logging Enhancements. Lot of bugs fixed in hierarchical logging.

Mar 21, 2012

  • Fix ql-io#329.
  • Compression support for ql.io clients. Responses for routes are compressed as per 'accept-encoding' header. gzip and deflate are supported. Default is gzip.

Mar 20, 2012

  • Factor out cluster function into cluster2. This change also moves ECV checks to cluster2.
  • Caching support based on new expires <seconds> keyword create table (example below). compute key monkey patch to generate custom keys.

create table

create table auto.compute.key on select get from 'http://a.uri.net' ..other things .. expires 10;

compute key (monkey patch)

exports['compute key'] = function(args) {
	//return args.uri;
    var key = [];
	key.push(args.table);
    key.push(args.uri);
	key.push(JSON.stringify(args.params));
    return(key.join(':'));
};

Mar 19, 2012

  • Remove extraneous event emitted while processing the where clause.

Mar 18, 2012

Mar 16, 2012

  • Upgrade CodeMirror to 2.22

Mar 15, 2012

  • logging support in monkey patches. Ex. exports['patch body'] = function(args) { var log = args.log; log('error', 'Something went wrong'); // throws an error event log('warn', 'Watch out'); // throws a warning event return {}; }
  • Fix the broken template app

Mar 12, 2012

  • Fix route to table dependency resoluton for non-selects
  • Remame /routes to /api
  • Restyle routes and tables navigation

Mar 10, 2012

  • Fix "Can't render headers after they are sent to the client" error

Mar 09, 2012

  • Support DELETE statements

Mar 07, 2012

  • Add a page showing all installed packages. Try http://:/deps (or http://localhost:3001/deps).
  • There are many conventions to convert xml to json. If the default xml2json does not work you, you can override it on table by table basis. To override, specify path to an xformers.json file. Here is an example. { "some.table" : "modulename relative to process.cwd() or a module from NODE_PATH" }

Mar 06, 2012

  • Gzip and Deflate content encoding support for upstream responses.

Mar 05, 2012

  • Recover shutdown/stop from extraneous pid files.

Mar 02, 2012

  • 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'. Also add tests.
  • Removed /in-flight requests api.

Feb 28, 2012

  • mkdir logs dir if not present when initing the console
  • Enable numbers in in clause and args of udfs

Feb 27, 2012

  • Refactor request processing - add more tests.

Feb 26, 2012

  • Refactor request processing - this work is in progress.
  • Bug ql-io#286 reopened and fixed with better tests.

Feb 24, 2012

  • Escalte table/route loading errors to the logger

Feb 22, 2012

  • Export version from each module. You can find version of the engine using require('ql.io-engine').version.
  • Include version number in User-Agent and Server headers.

Feb 19, 2012

  • 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.

Feb 16, 2012

  • Skip files that don't end with .ql.
  • Fixed minor formatting issues with /table?name= html rendering.
  • With /table?name= feature 'describe table ' returns json in console.
  • Changed the query param for json in /routes, /tables, /route, /table from json=true to format=json.
  • Bug fix for ql-io#286

Feb 14, 2012

  • "/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.
  • HTML interface for /routes and /tables. You can get JSON by either include Accept: application/json or query param json=true.

Feb 13, 2012

  • Downgrade nodeunit
  • Version 0.4
  • Propagate connection.remoteAddress to scripts and patches. Scripts can access this via {remoteAddress} and patches via params.remoteAddress.
  • Handling 404s and sanitizing the returned url avoiding XSS issue.

Feb 10, 2012

  • Set application/json on JSON responses.
  • Fix signal handling in the app module.
  • Update har-view to show total time.

Feb 03, 2012

  • Ip address is retrieved using os.networkInterfaces().
  • '/ecv' poke '/tables', instead of '/q?s=show%20tables".
  • Send resourceUri, statement, params to patch status, patch uri, and patch response.
  • Due to a previous change, validate params was not receiving all params. Fixed now.

Feb 02, 2012

  • Fix to make Routes case sensitive
  • Type concercion during xml2json

Feb 01, 2012

  • Report start of the statement and not the end for line numbers in the console
  • Remove mistakenly added debug: true in app.js
  • New config parameter 'enable q', a boolean, is added to console to disable '/q?s=' way of invoking scripts.

Jan 31, 2012

  • Improve support for in-proc selection and joins. If the RHS is multi-valued, selection is ORed. Multiple conditions are ANDed ('and' === and).

Jan 25, 2012

Jan 22, 2012

Jan 18, 2012

  • Re-integrate ECV

Jan 17, 2012

  • Limit response size to 10000000 bytes from upstream sources. You can change this with maxResponseLength in the config.
  • Limit outgoing requests per statement to 50. You can change this with maxRequests in the config.
  • Chain events for logging done with log-emitter.
  • Add a new JSON based interface to browse tables and routes. Try /routes to start browsing.
  • Move from cluster module to the native cluster.
  • Refresh all dependencies.
  • Change node.js dependency to 0.6.x.

Jan 17, 2012

  • [ql.io-compiler-0.3.1] Supported a wider range of characters in quoted words in statements.

MISSING UPDATES

Dec 16, 2011

  • Clients can occasionally get socket hangup errors when origin servers close connections without sending a Connection: close header. See nodejs/node-v0.x-archive#1135 for some background. To avoid such errors, http.request.js now automatically retries the request once provided the statement that caused the HTTP request is a select.

  • The engine can now consume CSV response in addition to XML and JSON.

  • Fixed request body processing for routes (ql-io#161).

Dec 08, 2011

  • OAuth example (ql-io#121) - OAuth2 is trivial as ql.io proxies headers from clients to servers. OAuth1 requires glue code to compute the Authorization header. http://ql.io/docs/oauth shows an example of how to that.

  • Use npm installed modules for ql.io-site (ql-io#116)

  • Handle empty response bodies gracefully (ql-io#98)

  • Recover from partial failures in case of scatter-gather calls (ql-io#90) - some statements can result in multiple HTTP requests. When this happens, the engine used to fail the entire statement if any of those requests fail. The engine now looks for success responses and aggregates them.

  • Update CodeMirror to support line-wrapping (ql-io#11) - no need to split lines manually anymore.

Nov 29, 2001

  • Initial public release