class ActiveRecord::ConnectionAdapters::Mysql2DowncaseAdapter

Constants

ADAPTER_NAME

Public Instance Methods

pk_and_sequence_for(table) click to toggle source

Это чтобы нормально определся primary_key

# File lib/active_record/connection_adapters/mysql2_downcase_adapter.rb, line 57
def pk_and_sequence_for(table)
  keys = []
  result = execute("DESCRIBE #{quote_table_name(table)}", 'SCHEMA')
  result.each(:symbolize_keys => true, :as => :hash) do |row|
    keys << row[:Field].downcase if row[:Key] == "PRI"
  end
  keys.length == 1 ? [keys.first, nil] : nil
end