Fixed a few Oracle issues: Allows Oracle's odd date handling to still work consistently within #to_xml, Passes test that hardcode insert statement by dropping the :id column, Updated RUNNING_UNIT_TESTS with Oracle instructions, Corrects method signature for #exec #5294 [schoenm@earthlink.net]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4552 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed a few Oracle issues: Allows Oracle's odd date handling to still work consistently within #to_xml, Passes test that hardcode insert statement by dropping the :id column, Updated RUNNING_UNIT_TESTS with Oracle instructions, Corrects method signature for #exec #5294 [schoenm@earthlink.net]
+
 * Added :group to available options for finds done on associations #5516 [mike@michaeldewey.org]
 
 * Minor tweak to improve performance of ActiveRecord::Base#to_param.

activerecord/RUNNING_UNIT_TESTS

@@ -44,3 +44,20 @@ This gives a very large speed boost. With rake:
 Or, by hand:
 
   AR_TX_FIXTURES=yes ruby -I connections/native_sqlite3 base_test.rb
+
+== Testing with Oracle
+
+In order to allow for testing against Oracle using an "arunit" schema within an existing
+Oracle database, the database name and tns connection string must be set in environment
+variables prior to running the unit tests.
+
+  $ export ARUNIT_DB_NAME=MYDB
+  $ export ARUNIT_DB=MYDB
+
+The ARUNIT_DB_NAME variable should be set to the name by which the database knows
+itself, ie., what will be returned by the query:
+
+  select sys_context('userenv','db_name') db from dual
+
+And the ARUNIT_DB variable should be set to the tns connection string.
+

activerecord/lib/active_record/base.rb

@@ -1646,8 +1646,9 @@ def column_for_attribute(name)
       def ==(comparison_object)
         comparison_object.equal?(self) ||
           (comparison_object.instance_of?(self.class) && 
-            comparison_object.id == id && 
-            !comparison_object.new_record?)
+            ((!comparison_object.new_record? && comparison_object.id == id) ||
+             (comparison_object.new_record? && comparison_object.attributes == attributes))
+          )
       end
 
       # Delegates to ==

activerecord/lib/active_record/connection_adapters/oracle_adapter.rb

@@ -635,11 +635,11 @@ def reset!
     # Adds auto-recovery functionality.
     #
     # See: http://www.jiubao.org/ruby-oci8/api.en.html#label-11
-    def exec(sql, *bindvars)
+    def exec(sql, *bindvars, &block)
       should_retry = self.class.auto_retry? && autocommit?
 
       begin
-        @connection.exec(sql, *bindvars)
+        @connection.exec(sql, *bindvars, &block)
       rescue OCIException => e
         raise unless LOST_CONNECTION_ERROR_CODES.include?(e.code)
         @active = false

activerecord/test/base_test.rb

@@ -1239,7 +1239,7 @@ def test_to_xml
     assert xml.include?(%(<content>Have a nice day</content>))
     assert xml.include?(%(<author-email-address>david@loudthinking.com</author-email-address>))
     assert xml.match(%(<parent-id type="integer"></parent-id>))
-    if current_adapter?(:SybaseAdapter) or current_adapter?(:SQLServerAdapter)
+    if current_adapter?(:SybaseAdapter) or current_adapter?(:SQLServerAdapter) or current_adapter?(:OracleAdapter)
       assert xml.include?(%(<last-read type="datetime">#{last_read_in_current_timezone}</last-read>))
     else
       assert xml.include?(%(<last-read type="date">2004-04-15</last-read>))

activerecord/test/migration_test.rb

@@ -170,7 +170,7 @@ def test_add_column_not_null_without_default
     end
     
     def test_add_column_not_null_with_default
-      Person.connection.create_table :testings do |t|
+      Person.connection.create_table :testings, :id => false do |t|
         t.column :foo, :string
       end
       Person.connection.execute "insert into testings (foo) values ('hello')"