Method: Dynamoid::Persistence::ClassMethods#create

Defined in:
lib/dynamoid/persistence.rb

#create(attrs = {}, &block) ⇒ Dynamoid::Document

Create a model.

Initializes a new model and immediately saves it into DynamoDB.

User.create(first_name: 'Mark', last_name: 'Tyler')

Accepts both Hash and Array of Hashes and can create several models.

User.create([{ first_name: 'Alice' }, { first_name: 'Bob' }])

Instantiates a model and pass it into an optional block to set other attributes.

User.create(first_name: 'Mark') do |u|
  u.age = 21
end

Validates model and runs callbacks.

Raises Dynamoid::Errors::MissingRangeKey if a sort key is required but not specified or has value nil.

Parameters:

  • attrs (Hash|Array<Hash>) (defaults to: {}) —

    Attributes of a model

  • block (Proc) —

    Block to process a document after initialization

Returns:

Since:

  • 0.2.0



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# File 'lib/dynamoid/persistence.rb', line 195

def create(attrs = {}, &block)
  if attrs.is_a?(Array)
    attrs.map { |attr| create(attr, &block) }
  else
    build(attrs, &block).tap(&:save)
  end
end