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spint · May 9, 2008 · 6116156 · 6116156
1 parent 6fc1072
commit 6116156
Showing 1 changed file with 22 additions and 1 deletion.
diff --git a/lib/savepoints.rb b/lib/savepoints.rb
@@ -55,7 +55,28 @@ def savepoint_name(savepoint_number)
       end
     end
 
-    MysqlAdapter.class_eval do
+    class MysqlAdapter < AbstractAdapter
+      def create_savepoint(savepoint_number)
+        execute("SAVEPOINT #{savepoint_name(savepoint_number)}")
+        true
+      rescue Exception
+        # Savepoints are not supported
+      end
+
+      def rollback_to_savepoint(savepoint_number)
+        execute("ROLLBACK TO SAVEPOINT #{savepoint_name(savepoint_number)}")
+      rescue Exception
+        # Savepoints are not supported
+      end
+
+      def release_savepoint(savepoint_number)
+        execute("RELEASE SAVEPOINT #{savepoint_name(savepoint_number)}")
+      rescue Exception
+        # Savepoints are not supported
+      end
+    end
+
+    class PostgreSQLAdapter < AbstractAdapter
       def create_savepoint(savepoint_number)
         execute("SAVEPOINT #{savepoint_name(savepoint_number)}")
         true