1 files changed, 5 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/vendor/db2.rb b/activerecord/lib/active_record/vendor/db2.rb
index 5ebd348a0a..ec652f8706 100644
--- a/activerecord/lib/active_record/vendor/db2.rb
+++ b/activerecord/lib/active_record/vendor/db2.rb
@@ -111,17 +111,17 @@ module DB2
     end
 
     def columns(table_name, schema_name = '%')
-      check_rc(SQLColumns(@handle, '', schema_name, table_name, '%'))
+      check_rc(SQLColumns(@handle, '', schema_name.upcase, table_name.upcase, '%'))
       fetch_all
     end
 
-    def tables
-      check_rc(SQLTables(@handle, '', '%', '%', 'TABLE'))
+    def tables(schema_name = '%')
+      check_rc(SQLTables(@handle, '', schema_name.upcase, '%', 'TABLE'))
       fetch_all
     end
 
-    def indexes(table_name)
-      check_rc(SQLStatistics(@handle, '', '', table_name, SQL_INDEX_ALL, SQL_ENSURE))
+    def indexes(table_name, schema_name = '')
+      check_rc(SQLStatistics(@handle, '', schema_name.upcase, table_name.upcase, SQL_INDEX_ALL, SQL_ENSURE))
       fetch_all
     end