Index: lib/active_record/connection_adapters/oracle_adapter.rb
===================================================================
--- lib/active_record/connection_adapters/oracle_adapter.rb	(revision 8246)
+++ lib/active_record/connection_adapters/oracle_adapter.rb	(working copy)
@@ -299,13 +299,17 @@
         end
 
         def indexes(table_name, name = nil) #:nodoc:
-          result = select_all(<<-SQL, name)
+          owner = @connection.describe(table_name).first
+          
+          result = select_all(<<-SQL,name)
             SELECT lower(i.index_name) as index_name, i.uniqueness, lower(c.column_name) as column_name
-              FROM user_indexes i, user_ind_columns c
-             WHERE i.table_name = '#{table_name.to_s.upcase}'
-               AND c.index_name = i.index_name
-               AND i.index_name NOT IN (SELECT uc.index_name FROM user_constraints uc WHERE uc.constraint_type = 'P')
-              ORDER BY i.index_name, c.column_position
+             FROM all_indexes i, all_ind_columns c
+             WHERE
+            i.owner = '#{owner}' and c.INDEX_OWNER = '#{owner}'
+             and i.table_name = '#{table_name.to_s.upcase}'
+             AND c.index_name = i.index_name
+             AND i.index_name NOT IN (SELECT uc.index_name FROM user_constraints uc WHERE uc.constraint_type = 'P')
+             ORDER BY i.index_name, c.column_position
           SQL
 
           current_index = nil