Method: DataMapper::Adapters::InMemoryAdapter#update

Defined in:
lib/dm-core/adapters/in_memory_adapter.rb

#update(attributes, collection) ⇒ Object

Used by DataMapper to update the attributes on existing records in a data-store: “UPDATE” in SQL-speak. It takes a hash of the attributes to update with, as well as a collection object that specifies which resources should be updated.

Parameters:

  • attributes (Hash) —

    A set of key-value pairs of the attributes to update the resources with.

  • resources (DataMapper::Collection) —

    The collection of resources to update.



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# File 'lib/dm-core/adapters/in_memory_adapter.rb', line 56

def update(attributes, collection)
  attributes = attributes_as_fields(attributes)
  read(collection.query).each { |record| record.update(attributes) }.size
end