refs #5394 shadow active_index with tokudb_active_index for scan operations on...

refs #5394 shadow active_index with tokudb_active_index for scan operations on a tokudb table.  fixes a problem in 5.6.6-m9.

git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@47135 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.h

@@ -388,6 +388,9 @@ private:
         bool is_add
         );
 
+    // 0 <= active_index < table_share->keys || active_index == MAX_KEY
+    // tokudb_active_index = active_index if active_index < table_share->keys, else tokudb_active_index = primary_key = table_share->keys
+    uint tokudb_active_index;
  
 public:
     ha_tokudb(handlerton * hton, TABLE_SHARE * table_arg);