diff options
5 files changed, 42 insertions, 1 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 41e05dd8c1..4d0c1a4178 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,7 @@ +* Serialize JSON attribute value `nil` as SQL `NULL`, not JSON `null` + + *Trung Duc Tran* + * Return `true` from `update_attribute` when the value of the attribute to be updated is unchanged. diff --git a/activerecord/lib/active_record/type/internal/abstract_json.rb b/activerecord/lib/active_record/type/internal/abstract_json.rb index 513c938088..e19c5a14da 100644 --- a/activerecord/lib/active_record/type/internal/abstract_json.rb +++ b/activerecord/lib/active_record/type/internal/abstract_json.rb @@ -17,7 +17,11 @@ module ActiveRecord end def serialize(value) - ::ActiveSupport::JSON.encode(value) + if value.nil? + nil + else + ::ActiveSupport::JSON.encode(value) + end end def accessor diff --git a/activerecord/test/cases/adapters/mysql2/json_test.rb b/activerecord/test/cases/adapters/mysql2/json_test.rb index 6b7d259023..630cdb36a4 100644 --- a/activerecord/test/cases/adapters/mysql2/json_test.rb +++ b/activerecord/test/cases/adapters/mysql2/json_test.rb @@ -102,6 +102,22 @@ if ActiveRecord::Base.connection.supports_json? assert_equal(["v0", { "k1" => "v1" }], x.payload) end + def test_select_nil_json_after_create + json = JsonDataType.create(payload: nil) + x = JsonDataType.where(payload:nil).first + assert_equal(json, x) + end + + def test_select_nil_json_after_update + json = JsonDataType.create(payload: "foo") + x = JsonDataType.where(payload:nil).first + assert_equal(nil, x) + + json.update_attributes payload: nil + x = JsonDataType.where(payload:nil).first + assert_equal(json.reload, x) + end + def test_rewrite_array_json_value @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')| x = JsonDataType.first diff --git a/activerecord/test/cases/adapters/postgresql/json_test.rb b/activerecord/test/cases/adapters/postgresql/json_test.rb index c74f70f251..273b2c1c7b 100644 --- a/activerecord/test/cases/adapters/postgresql/json_test.rb +++ b/activerecord/test/cases/adapters/postgresql/json_test.rb @@ -113,6 +113,22 @@ module PostgresqlJSONSharedTestCases assert_equal(nil, x.payload) end + def test_select_nil_json_after_create + json = JsonDataType.create(payload: nil) + x = JsonDataType.where(payload:nil).first + assert_equal(json, x) + end + + def test_select_nil_json_after_update + json = JsonDataType.create(payload: "foo") + x = JsonDataType.where(payload:nil).first + assert_equal(nil, x) + + json.update_attributes payload: nil + x = JsonDataType.where(payload:nil).first + assert_equal(json.reload, x) + end + def test_select_array_json_value @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')| x = JsonDataType.first diff --git a/activesupport/lib/active_support/core_ext/load_error.rb b/activesupport/lib/active_support/core_ext/load_error.rb index 4cb6ffea5e..cd00d1b662 100644 --- a/activesupport/lib/active_support/core_ext/load_error.rb +++ b/activesupport/lib/active_support/core_ext/load_error.rb @@ -1,3 +1,4 @@ +require "active_support/deprecation" require "active_support/deprecation/proxy_wrappers" class LoadError |