From 214c43ba96d806629e24818099edf45e7cabdd66 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Mon, 26 Aug 2013 21:14:34 +0400
Subject: [PATCH] bugfix: storage engine might return a negative error code,
 but it shouldn't be ignored on return

---
 sql/sql_table.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 9d0b7b709c9..97a2ef03757 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -7531,11 +7531,13 @@ copy_data_between_tables(THD *thd, TABLE *from,TABLE *to,
                   AUTO_INCREMENT_FLAG))
                err_msg= ER(ER_DUP_ENTRY_AUTOINCREMENT_CASE);
              to->file->print_keydup_error(key_nr, err_msg, MYF(0));
+             error= 1;
              break;
            }
          }
 
 	to->file->print_error(error,MYF(0));
+        error= 1;
 	break;
       }
       to->file->restore_auto_increment(prev_insert_id);