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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

[4.0.0] - 2022-05-17

Updates:

[4.0.0-alpha1] - 2019-07-18

Updates:

Bug fixes:

[3.0.0rc] - 2014-01-07

  • Improved signal handling

[3.0.0beta] - 2014-01-06

  • Workers can process many queues.

[2.2.3] - 2013-10-24

  • Update pg dependency to 0.17.0

[2.3.0beta] - 2013-09-05 YANKED

  • Concurrent job processing.

[2.2.2] - 2013-08-04

  • Update pg dependency to 0.16.0

[2.2.1] - 2013-07-12

  • Force listen/notify on worker
  • Notifications happen inside PostgreSQL trigger
  • Add rake task for generating rails migrations
  • Fix bug related to listening worker

[2.2.0] - 2013-07-02

  • Use json from the stdlib in place of MultiJson.
  • Use postgresql's json type for the args column if json type is available
  • QC::Worker#handle_failure logs the job and the error
  • QC.default_queue= to set your own default queue. (can be used in testing to configure a mock queue)
  • QC.log now reports time elapsed in milliseconds.

[2.1.4]

  • Update pg dependency to 0.15.1
  • Document logging behaviour

[2.1.3]

  • Use MultiJson (Ezekiel Templin: #106)

[2.1.2]

  • Use 64bit ints as default data types in PostgreSQL
  • Add process method in worker
  • Allow percent-encoded socket paths in DATABASE_URL

[2.1.1]

  • Update pg gem version

[2.1.0]

  • Wrap connection execution in mutex making it thread safe
  • Cleanup logging
  • Refactor worker class making it more extensible
  • Added rdoc style docs for worker class

[2.0.5]

  • Allow term signal to halt the lock_job function

[2.0.4]

  • Provider a connection setter.

[2.0.3]

  • Fix typo :(

[2.0.2]

  • Remove scrolls dependency
  • Fix issue with notify not working on non-default queues

[2.0.1]

[2.0.0]

  • Simpler setup via QC::Setup.create (rake qc:create) & QC::Setup.drop (rake qc:drop)
  • Simpler abstractions in implementation
  • Better support for instrumentation via log_yield hook in QC module
  • Multiple queues use one table with a queue_name column

[1.0.2]

  • Update to latest okjson as the current has bugs

[1.0.1]

  • Using OkJson instead of any sort of rubygem
  • Remove html from docs
  • Use parameterised queries
  • Don't set application name by default
  • Injection attack bug fixed in lock_head()
  • Notificaiton get sent on seperate chans for disjoint queues

[1.0.0rc1] - 2011-08-29

  • Removed json gem and relying on ruby 1.9.2's stdlib
  • Added better documentation

[0.3.6pre]

  • Added listen/notify support configured by $QC_LISTENING_WORKER otherwise uses Kernel.sleep()

[0.3.5pre] - 2011-08-27

  • Removed debug statement. Mistake!

[0.3.4pre]

  • Added logging configured by $VERBOSE or $QC_VERBOSE.
  • Added a method setup_child that gets called right after a worker forks.
  • Removed database helper methods: create_table, drop_table, silence_warnings.
  • Removed queue connection helper methods. Status should be discoverd by psql or the likes.

[0.3.3pre]

  • Removed PUB/SUB
  • Added GC after working a job
  • Added support for a database_url other than $DATABASE_URL. $QC_DATABASE_URL
  • Added exp backoff configured by $QC_MAX_LOCK_ATTEMPTS (default = 5)
  • Added option for forking worker configured by $QC_FORK_WORKER (default = false)

[0.3.2] - 2011-08-03

  • Fixed bug which caused workers to consume 2 connections. Now they only consume 1
  • Added a rake file for tests
  • Added support for postgres:///db_name DATABASE_URLs

[0.3.1] - 2011-04-27

  • Added query interface for introspection success
  • Moved the locking of jobs into the DB as a PG function. SELECT lock_head()
  • Added requirement for DB connection. MUST BE URI i.e. DATABASE_URL=postgres://user:pass@localhost/db_name
  • Added rake qc:create_queue. This task will add a new table. Use this for multiple queues.
  • Added a bit of randomness to the lock_head() function. Helps you scale to a hilarious number of workers.
  • Added support for trapping INT and TERM signals in the worker. ^C to stop after finished and ^C^C to kill.
  • Renamed the jobs table to queue_classic_jobs
  • Renamed the jobs channel to queue_classic_jobs
  • Added support for multiple queues

[0.2.2] - 2011-02-26

  • Fixed problems with enqueueing a list of parameters.

[0.2.1] - 2011-02-22

  • Added method for handling errors.
  • Added ability to enqueue a Job instance. Makes retrying jobs easier.
  • Added delete_all.
  • Fixed connection algorithm. 1 connection per process.
  • Fixed API for enqueue. Now accepting 1 arg or many args.

[0.2.0] - 2011-02-17

  • Beta Release
  • Added method for handling failed jobs
  • Added Benchmarks
  • Removed logging
  • Moved the Job class into it's own file

[0.1.6] - 2011-02-03

  • Early release