diff options
Diffstat (limited to 'activerecord/lib/active_record/result.rb')
-rw-r--r-- | activerecord/lib/active_record/result.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb new file mode 100644 index 0000000000..8deff1478f --- /dev/null +++ b/activerecord/lib/active_record/result.rb @@ -0,0 +1,30 @@ +module ActiveRecord + ### + # This class encapsulates a Result returned from calling +exec+ on any + # database connection adapter. For example: + # + # x = ActiveRecord::Base.connection.exec('SELECT * FROM foo') + # x # => #<ActiveRecord::Result:0xdeadbeef> + class Result + include Enumerable + + attr_reader :columns, :rows + + def initialize(columns, rows) + @columns = columns + @rows = rows + @hash_rows = nil + end + + def each + hash_rows.each { |row| yield row } + end + + private + def hash_rows + @hash_rows ||= @rows.map { |row| + ActiveSupport::OrderedHash[@columns.zip(row)] + } + end + end +end |