Translate adapter errors that indicate a violated uniqueness constraint to ActiveRecord::RecordNotUnique exception derived from ActiveReecord::StatementInvalid.

Signed-off-by: Michael Koziarski <michael@koziarski.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 91b111ab55..c533d4cdb6 100755
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -211,9 +211,14 @@ module ActiveRecord
           @last_verification = 0
           message = "#{e.class.name}: #{e.message}: #{sql}"
           log_info(message, name, 0)
-          raise ActiveRecord::StatementInvalid, message
+          raise translate_exception(e, message)
         end
 
+      def translate_exception(e, message)
+        # override in derived class
+        ActiveRecord::StatementInvalid.new(message)
+      end
+
         def format_log_entry(message, dump = nil)
           if ActiveRecord::Base.colorize_logging
             if @@row_even