Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.0

into gw.mysql.r18.ru:/usr/home/ram/work/4.0.b5733


sql/records.cc:
  Auto merged

mysql-test/r/delete.result

@@ -50,3 +50,14 @@ select count(*) from t1;
 count(*)
 0
 drop table t1;
+create table t1 (a int not null auto_increment primary key, b char(32));
+insert into t1 (b) values ('apple'), ('apple');
+select * from t1;
+a	b
+1	apple
+2	apple
+delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
+select * from t1;
+a	b
+1	apple
+drop table t1;

mysql-test/t/delete.test

@@ -61,3 +61,13 @@ select count(*) from t1;
 
 drop table t1;
 
+#
+# Bug #5733: Table handler error with self-join multi-table DELETE
+#
+
+create table t1 (a int not null auto_increment primary key, b char(32));
+insert into t1 (b) values ('apple'), ('apple');
+select * from t1;
+delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
+select * from t1;
+drop table t1;

sql/records.cc

@@ -131,8 +131,15 @@ void end_read_record(READ_RECORD *info)
 
 static int rr_quick(READ_RECORD *info)
 {
-  int tmp=info->select->quick->get_next();
-  if (tmp)
+  int tmp;
+  while ((tmp= info->select->quick->get_next()))
+  {
+    if (info->thd->killed)
+    {
+      my_error(ER_SERVER_SHUTDOWN, MYF(0));
+      return 1;
+    }
+    if (tmp != HA_ERR_RECORD_DELETED)
     {
       if (tmp == HA_ERR_END_OF_FILE)
         tmp= -1;
@@ -143,6 +150,8 @@ static int rr_quick(READ_RECORD *info)
         if (tmp < 0)				// Fix negative BDB errno
           tmp=1;
       }
+      break;
+    }
   }
   return tmp;
 }