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Contents
require 'active_support'
module ActiveRecord
class Base
# Use this method to find or create records that have uniqueness constraints enforced by the database.
# After calling the AR find_or_create_by method it queries the preexisting or created record by the attributes
# provided, thereby ensuring that a concurrently created record is returned when a AR RecordNotUnique error is
# raised. When no record can be found, because for instance validations fail on create, the created object
# containing the validation errors is returned instead.
def self.uniq_find_or_create_by(attributes, &block)
find_or_create_by(attributes, &block)
rescue ActiveRecord::RecordNotUnique => exception
find_by(attributes) || raise(exception)
end
# Use this method if you want an exception to be raised when creating a new record fails due to some validation
# error other than uniqueness.
def self.uniq_find_or_create_by!(attributes, &block)
find_or_create_by!(attributes, &block)
rescue ActiveRecord::RecordNotUnique => exception
find_by(attributes) || raise(exception)
rescue ActiveRecord::RecordInvalid => exception
find_by(attributes) || raise(exception)
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems