diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/calculations.rb | 2 | ||||
| -rw-r--r-- | activerecord/test/cases/calculations_test.rb | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/calculations.rb b/activerecord/lib/active_record/calculations.rb index 6f4e02b430..65512d534a 100644 --- a/activerecord/lib/active_record/calculations.rb +++ b/activerecord/lib/active_record/calculations.rb @@ -286,7 +286,7 @@ module ActiveRecord case operation when 'count' then value.to_i when 'sum' then type_cast_using_column(value || '0', column) - when 'avg' then value && (value == 0 ? 0.0.to_d : value.to_d) + when 'avg' then value && (value.is_a?(Fixnum) ? value.to_f : value).to_d else type_cast_using_column(value, column) end end diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 0fa61500c0..8bd0dd0f6e 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -25,6 +25,11 @@ class CalculationsTest < ActiveRecord::TestCase def test_should_return_nil_as_average assert_nil NumericData.average(:bank_balance) end + + def test_type_cast_calculated_value_should_convert_db_averages_of_fixnum_class_to_decimal + assert_equal 0, NumericData.send(:type_cast_calculated_value, 0, nil, 'avg') + assert_equal 53.0, NumericData.send(:type_cast_calculated_value, 53, nil, 'avg') + end def test_should_get_maximum_of_field assert_equal 60, Account.maximum(:credit_limit) |