Merge pull request #27768 from kirs/am-decimal-cast

Make BigDecimal casting consistent on different platforms
rails · Jan 22, 2017 · b934f89 · b934f89
2 parents 20107ff + 7ec3040
commit b934f89
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/activemodel/lib/active_model/type/decimal.rb b/activemodel/lib/active_model/type/decimal.rb
@@ -4,6 +4,7 @@ module ActiveModel
   module Type
     class Decimal < Value # :nodoc:
       include Helpers::Numeric
+      BIGDECIMAL_PRECISION = 18
 
       def type
         :decimal
@@ -21,7 +22,7 @@ def cast_value(value)
             when ::Float
               convert_float_to_big_decimal(value)
             when ::Numeric, ::String
-              BigDecimal(value, precision.to_i)
+              BigDecimal(value, precision || BIGDECIMAL_PRECISION)
             else
               if value.respond_to?(:to_d)
                 value.to_d