ActiveRecord ConnectionAdapters PostgreSQLAdapter ColumnDefinition class ColumnDefinition Ruby on Rails 4.1.16 Since v4.0.13 Last seen in v4.1.16 Available in: v4.0.13 v4.1.16 Compare with: … v4.0.13 No documentation comment. Inherits from ActiveRecord::ConnectionAdapters::ColumnDefinition Attributes ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::ColumnDefinition#array