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Contents
# frozen_string_literal: true
# encoding: utf-8
module Mongoid
module Persistable
# Defines behavior for $unset operations.
#
# @since 4.0.0
module Unsettable
extend ActiveSupport::Concern
# Perform an $unset operation on the provided fields and in the
# values in the document in memory.
#
# @example Unset the values.
# document.unset(:first_name, :last_name, :middle)
#
# @param [ Array<String, Symbol> ] fields The names of the fields to
# unset.
#
# @return [ Document ] The document.
#
# @since 4.0.0
def unset(*fields)
prepare_atomic_operation do |ops|
fields.flatten.each do |field|
normalized = database_field_name(field)
if executing_atomically?
process_attribute normalized, nil
else
attributes.delete(normalized)
end
ops[atomic_attribute_name(normalized)] = true
end
{ "$unset" => ops }
end
end
end
end
end
Version data entries
27 entries across 27 versions & 2 rubygems