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-rw-r--r--activerecord/lib/active_record/persistence.rb20
1 files changed, 19 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 96e44c2f59..51b1931ed5 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -36,6 +36,23 @@ module ActiveRecord
end
end
+ # Creates an object (or multiple objects) and saves it to the database,
+ # if validations pass. Raises a RecordInvalid error if validations fail,
+ # unlike Base#create.
+ #
+ # The +attributes+ parameter can be either a Hash or an Array of Hashes.
+ # These describe which attributes to be created on the object, or
+ # multiple objects when given an Array of Hashes.
+ def create!(attributes = nil, &block)
+ if attributes.is_a?(Array)
+ attributes.collect { |attr| create!(attr, &block) }
+ else
+ object = new(attributes, &block)
+ object.save!
+ object
+ end
+ end
+
# Given an attributes hash, +instantiate+ returns a new instance of
# the appropriate class. Accepts only keys as strings.
#
@@ -270,7 +287,8 @@ module ActiveRecord
# This method raises an +ActiveRecord::ActiveRecordError+ when called on new
# objects, or when at least one of the attributes is marked as readonly.
def update_columns(attributes)
- raise ActiveRecordError, "cannot update on a new record object" unless persisted?
+ raise ActiveRecordError, "cannot update a new record" if new_record?
+ raise ActiveRecordError, "cannot update a destroyed record" if destroyed?
attributes.each_key do |key|
verify_readonly_attribute(key.to_s)