Merge commit 'rails/master'

Conflicts:
	activerecord/lib/active_record/calculations.rb
	activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
	activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

1 files changed, 46 insertions, 1 deletions

diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 8434b8efe9..26a475b964 100755
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1070,7 +1070,25 @@ class BasicsTest < ActiveRecord::TestCase
     assert_date_from_db Date.new(2004, 6, 24), topic.last_read.to_date
   end
 
-  def test_multiparameter_attributes_on_date_with_empty_date
+  def test_multiparameter_attributes_on_date_with_empty_year
+    attributes = { "last_read(1i)" => "", "last_read(2i)" => "6", "last_read(3i)" => "24" }
+    topic = Topic.find(1)
+    topic.attributes = attributes
+    # note that extra #to_date call allows test to pass for Oracle, which
+    # treats dates/times the same
+    assert_date_from_db Date.new(1, 6, 24), topic.last_read.to_date
+  end
+
+  def test_multiparameter_attributes_on_date_with_empty_month
+    attributes = { "last_read(1i)" => "2004", "last_read(2i)" => "", "last_read(3i)" => "24" }
+    topic = Topic.find(1)
+    topic.attributes = attributes
+    # note that extra #to_date call allows test to pass for Oracle, which
+    # treats dates/times the same
+    assert_date_from_db Date.new(2004, 1, 24), topic.last_read.to_date
+  end
+
+  def test_multiparameter_attributes_on_date_with_empty_day
     attributes = { "last_read(1i)" => "2004", "last_read(2i)" => "6", "last_read(3i)" => "" }
     topic = Topic.find(1)
     topic.attributes = attributes
@@ -1079,6 +1097,33 @@ class BasicsTest < ActiveRecord::TestCase
     assert_date_from_db Date.new(2004, 6, 1), topic.last_read.to_date
   end
 
+  def test_multiparameter_attributes_on_date_with_empty_day_and_year
+    attributes = { "last_read(1i)" => "", "last_read(2i)" => "6", "last_read(3i)" => "" }
+    topic = Topic.find(1)
+    topic.attributes = attributes
+    # note that extra #to_date call allows test to pass for Oracle, which
+    # treats dates/times the same
+    assert_date_from_db Date.new(1, 6, 1), topic.last_read.to_date
+  end
+
+  def test_multiparameter_attributes_on_date_with_empty_day_and_month
+    attributes = { "last_read(1i)" => "2004", "last_read(2i)" => "", "last_read(3i)" => "" }
+    topic = Topic.find(1)
+    topic.attributes = attributes
+    # note that extra #to_date call allows test to pass for Oracle, which
+    # treats dates/times the same
+    assert_date_from_db Date.new(2004, 1, 1), topic.last_read.to_date
+  end
+
+  def test_multiparameter_attributes_on_date_with_empty_year_and_month
+    attributes = { "last_read(1i)" => "", "last_read(2i)" => "", "last_read(3i)" => "24" }
+    topic = Topic.find(1)
+    topic.attributes = attributes
+    # note that extra #to_date call allows test to pass for Oracle, which
+    # treats dates/times the same
+    assert_date_from_db Date.new(1, 1, 24), topic.last_read.to_date
+  end
+
   def test_multiparameter_attributes_on_date_with_all_empty
     attributes = { "last_read(1i)" => "", "last_read(2i)" => "", "last_read(3i)" => "" }
     topic = Topic.find(1)