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Document exclamation point on dynamic finders

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This commit is contained in:
Florent Guilleux
2011-08-08 19:31:03 -05:00
committed by Xavier Noria
parent 1b0d03b5db
commit 56efdbc626
1 changed files with 4 additions and 0 deletions
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4
activerecord/lib/active_record/base.rb
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@@ -177,6 +177,10 @@ module ActiveRecord #:nodoc:
# And instead of writing <tt>Person.where(:last_name => last_name).all</tt>, you just do
# <tt>Person.find_all_by_last_name(last_name)</tt>.
#
# It's possible to add an exclamation point (!) on the end of the dynamic finders to get them to raise an
# <tt>ActiveRecord::RecordNotFound</tt> error if they do not return any records,
# like <tt>Person.find_by_last_name!</tt>.
#
# It's also possible to use multiple attributes in the same find by separating them with "_and_".
#
# Person.where(:user_name => user_name, :password => password).first