class ActiveRecord::Result

This class encapsulates a Result returned from calling exec_query on any database connection adapter. For example:

x = ActiveRecord::Base.connection.exec_query('SELECT * FROM foo')
x # => #<ActiveRecord::Result:0xdeadbeef>

Attributes

columns[R]
rows[R]

Public Class Methods

new(columns, rows) click to toggle source
# File lib/active_record/result.rb, line 13
def initialize(columns, rows)
  @columns   = columns
  @rows      = rows
  @hash_rows = nil
end

Public Instance Methods

each() { |row| ... } click to toggle source
# File lib/active_record/result.rb, line 19
def each
  hash_rows.each { |row| yield row }
end
to_hash() click to toggle source
# File lib/active_record/result.rb, line 23
def to_hash
  hash_rows
end

Private Instance Methods

hash_rows() click to toggle source
# File lib/active_record/result.rb, line 28
def hash_rows
  @hash_rows ||=
    begin
      # We freeze the strings to prevent them getting duped when
      # used as keys in ActiveRecord::Model's @attributes hash
      columns = @columns.map { |c| c.dup.freeze }
      @rows.map { |row|
        Hash[columns.zip(row)]
      }
    end
end