Rails Ruby on Rails → 3.0.2

Comments and changes to this ticket

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  hello (at convandesign) May 26th, 2010 @ 05:40 AM

  this is from the beta 3.0 branch....

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  ddelco June 6th, 2010 @ 01:37 AM

  Any answers on this? activerecord/lib/active_record/callbacks.rb still references _on_create and _on_update validations in the documentation, but they don't seem to be there anymore.

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  Neeraj Singh June 7th, 2010 @ 09:56 PM

  before_validation_on_create and before_validation_on_update methods are available. The syntax has changed.

    before_validation(:on => :create){ do_something }
    before_validation(:on => :update){ do_something }
  

  Yes the documentation needs to be updated.

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  Santiago Pastorino June 8th, 2010 @ 02:35 AM

  • Milestone cleared.
  • Tag set to “activerecord, callbacks, documentation”
  • State changed from “new” to “resolved”
  • Assigned user set to “Santiago Pastorino”

  Done http://github.com/lifo/docrails/commit/100f8b2dfc9d547b23804b648ad0...

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  David Williams June 16th, 2010 @ 02:42 AM

  It's not completely resolved. The paragraph directly above the committed change also needs work. It currently says:

  "That’s a total of ten callbacks, which gives you immense power to react and prepare for each state in the Active Record lifecycle. The sequence for calling Base#save for an existing record is similar, except that each on_create callback is replaced by the corresponding on_update callback."

  Except that this is the first mention of on_create and on_update, and they don't actually exist anymore. More information would be useful. For instance, is it possible to use the ":on" option and also pass a symbol, or is the block form the only one supported?

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  Neeraj Singh June 16th, 2010 @ 05:03 AM

  • Tag cleared.

  Anyone can make changes to http://github.com/lifo/docrails . So please go ahead and make the necessary changes to the documentation.

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  Neeraj Singh June 16th, 2010 @ 06:11 AM

  Did not mean to clear tag. Not sure why tag got cleared.

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  Jeremy Kemper October 15th, 2010 @ 11:01 PM

  • Milestone set to “3.0.2”
  • Importance changed from “” to “Low”

  [bulk edit]

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  Matt Buck February 8th, 2011 @ 07:49 PM

  • Tag set to “documentation”

  Looks like David's comment above was resolved by https://github.com/lifo/docrails/commit/5a6f651a6a093f69f00fa713648...

  I'm looking at clarifying this documentation a bit, but I'm confused by the new callback system. The documentation still refers to overriding methods like before_destroy, but the examples look like these methods are now meant to be invoked rather than overridden. If somebody can point me in the right direction, I'll commit a fix.

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  bingbing March 26th, 2011 @ 01:36 AM

  omega watch

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  Greg Hazel March 31st, 2011 @ 01:10 AM

  • State changed from “resolved” to “open”

  I also could use some clarification on the documentation. Is this form allowed?

  before_validation :do_something, :on => :create
  

  [state:open]

  As a side note, it would make upgrading from Rails 2 to Rails 3 easier if this were more clearly documented or simply backwards compatible with Rails 2 applications using before_validation_on_create etc.