instance method `columns`

Ruby on Rails 3.2.22.5

Since v2.2.3 Last seen in v3.2.22.5

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5

Compare with:

columns(table_name, name = nil)

Returns the list of all column definitions for a table.

Parameters

table_name req
name opt = nil

Source

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 853
      def columns(table_name, name = nil)
        # Limit, precision, and scale are all handled by the superclass.
        column_definitions(table_name).collect do |column_name, type, default, notnull|
          PostgreSQLColumn.new(column_name, default, type, notnull == 'f')
        end
      end

Defined in activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb line 853 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::PostgreSQLAdapter

Signature

Parameters