instance method `primary_key`

Ruby on Rails 4.1.16

Since v2.2.3 Last seen in v4.2.9

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9

Compare with:

primary_key(name, type = :primary_key, options = {})

Appends a primary key definition to the table definition. Can be called multiple times, but this is probably not a good idea.

Parameters

name req
type opt = :primary_key
options opt = {}

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 68
      def primary_key(name, type = :primary_key, options = {})
        column(name, type, options.merge(:primary_key => true))
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb line 68 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::TableDefinition

Signature

Parameters