From 4f58c501cf9355258fe16b2526ac01586ff71b08 Mon Sep 17 00:00:00 2001
From: John Gesimondo <john@jmondo.com>
Date: Thu, 11 Jun 2015 13:31:01 -0700
Subject: Display decimal defaults as strings to keep precision

---
 activerecord/lib/active_record/type/decimal.rb             | 2 +-
 activerecord/test/cases/adapters/postgresql/money_test.rb  | 2 +-
 activerecord/test/cases/adapters/postgresql/schema_test.rb | 5 +++++
 activerecord/test/cases/schema_dumper_test.rb              | 4 ++--
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/activerecord/lib/active_record/type/decimal.rb b/activerecord/lib/active_record/type/decimal.rb
index 867b5f75c7..f200a92d10 100644
--- a/activerecord/lib/active_record/type/decimal.rb
+++ b/activerecord/lib/active_record/type/decimal.rb
@@ -8,7 +8,7 @@ module ActiveRecord
       end
 
       def type_cast_for_schema(value)
-        value.to_s
+        value.to_s.inspect
       end
 
       private
diff --git a/activerecord/test/cases/adapters/postgresql/money_test.rb b/activerecord/test/cases/adapters/postgresql/money_test.rb
index e3670c203d..c031178479 100644
--- a/activerecord/test/cases/adapters/postgresql/money_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/money_test.rb
@@ -56,7 +56,7 @@ class PostgresqlMoneyTest < ActiveRecord::PostgreSQLTestCase
   def test_schema_dumping
     output = dump_table_schema("postgresql_moneys")
     assert_match %r{t\.money\s+"wealth",\s+scale: 2$}, output
-    assert_match %r{t\.money\s+"depth",\s+scale: 2,\s+default: 150\.55$}, output
+    assert_match %r{t\.money\s+"depth",\s+scale: 2,\s+default: "150\.55"$}, output
   end
 
   def test_create_and_update_money
diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb
index 9aba2b5976..35d5581aa7 100644
--- a/activerecord/test/cases/adapters/postgresql/schema_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb
@@ -480,6 +480,7 @@ class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCa
     @connection.create_table "defaults" do |t|
       t.text "text_col", default: "some value"
       t.string "string_col", default: "some value"
+      t.decimal "decimal_col", default: "3.14159265358979323846"
     end
     Default.reset_column_information
   end
@@ -498,6 +499,10 @@ class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCa
     assert_equal "some value", Default.new.string_col, "Default of string column was not correctly parsed"
   end
 
+  def test_decimal_defaults_in_new_schema_when_overriding_domain
+    assert_equal BigDecimal.new("3.14159265358979323846"), Default.new.decimal_col, "Default of decimal column was not correctly parsed"
+  end
+
   def test_bpchar_defaults_in_new_schema_when_overriding_domain
     @connection.execute "ALTER TABLE defaults ADD bpchar_col bpchar DEFAULT 'some value'"
     Default.reset_column_information
diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb
index 51170c533b..feb1c29656 100644
--- a/activerecord/test/cases/schema_dumper_test.rb
+++ b/activerecord/test/cases/schema_dumper_test.rb
@@ -239,7 +239,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
 
   def test_schema_dump_includes_decimal_options
     output = dump_all_table_schema([/^[^n]/])
-    assert_match %r{precision: 3,[[:space:]]+scale: 2,[[:space:]]+default: 2\.78}, output
+    assert_match %r{precision: 3,[[:space:]]+scale: 2,[[:space:]]+default: "2\.78"}, output
   end
 
   if current_adapter?(:PostgreSQLAdapter)
@@ -255,7 +255,7 @@ class SchemaDumperTest < ActiveRecord::TestCase
 
     def test_schema_dump_allows_array_of_decimal_defaults
       output = standard_dump
-      assert_match %r{t\.decimal\s+"decimal_array_default",\s+default: \[1.23, 3.45\],\s+array: true}, output
+      assert_match %r{t\.decimal\s+"decimal_array_default",\s+default: \["1.23", "3.45"\],\s+array: true}, output
     end
 
     if ActiveRecord::Base.connection.supports_extensions?
-- 
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