sql_delete.cc, sql_update.cc, sql_class.h:

  Simplification of the previous fix for multi-update/delete.


sql/sql_class.h:
  Simplification of the previous fix for multi-update/delete.
sql/sql_update.cc:
  Simplification of the previous fix for multi-update/delete.
sql/sql_delete.cc:
  Simplification of the previous fix for multi-update/delete.

sql/sql_class.h

@@ -844,11 +844,10 @@ class multi_delete : public select_result
   TABLE_LIST *delete_tables, *table_being_deleted;
   Unique  **tempfiles;
   THD *thd;
-  ha_rows deleted;
+  ha_rows deleted, found;
   uint num_of_tables;
   int error;
   bool do_delete, transactional_tables, log_delayed, normal_tables;
-  bool tempfiles_inited;
 
 public:
   multi_delete(THD *thd, TABLE_LIST *dt, uint num_of_tables);
@@ -876,7 +875,6 @@ class multi_update : public select_result
   Copy_field *copy_field;
   enum enum_duplicates handle_duplicates;
   bool do_update, trans_safe, transactional_tables, log_delayed;
-  bool tmp_tables_inited;
 
 public:
   multi_update(THD *thd_arg, TABLE_LIST *ut, List<Item> *fields,

sql/sql_delete.cc

@@ -234,10 +234,9 @@ extern "C" int refposcmp2(void* arg, const void *a,const void *b)
 
 multi_delete::multi_delete(THD *thd_arg, TABLE_LIST *dt,
 			   uint num_of_tables_arg)
-  : delete_tables(dt), thd(thd_arg), deleted(0),
+  : delete_tables(dt), thd(thd_arg), deleted(0), found(0),
     num_of_tables(num_of_tables_arg), error(0),
-    do_delete(0), transactional_tables(0), log_delayed(0), normal_tables(0),
-    tempfiles_inited(0)
+    do_delete(0), transactional_tables(0), log_delayed(0), normal_tables(0)
 {
   tempfiles = (Unique **) sql_calloc(sizeof(Unique *) * (num_of_tables-1));
 }
@@ -298,7 +297,6 @@ multi_delete::initialize_tables(JOIN *join)
 				  table->file->ref_length,
 				  MEM_STRIP_BUF_SIZE);
   }
-  tempfiles_inited= 1;
   init_ftfuncs(thd,1);
   DBUG_RETURN(thd->fatal_error != 0);
 }
@@ -339,6 +337,7 @@ bool multi_delete::send_data(List<Item> &values)
       continue;
 
     table->file->position(table->record[0]);
+    found++;
 
     if (secure_counter < 0)
     {
@@ -414,7 +413,7 @@ int multi_delete::do_deletes(bool from_send_error)
 
   if (from_send_error)
   {
-    /* Found out table number for 'table_being_deleted' */
+    /* Found out table number for 'table_being_deleted*/
     for (TABLE_LIST *aux=delete_tables;
 	 aux != table_being_deleted;
 	 aux=aux->next)
@@ -424,7 +423,7 @@ int multi_delete::do_deletes(bool from_send_error)
     table_being_deleted = delete_tables;
 
   do_delete= 0;
-  if (!tempfiles_inited)
+  if (!found)
     DBUG_RETURN(0);
   for (table_being_deleted=table_being_deleted->next;
        table_being_deleted ;

sql/sql_update.cc

@@ -440,7 +440,7 @@ multi_update::multi_update(THD *thd_arg, TABLE_LIST *table_list,
   :all_tables(table_list), update_tables(0), thd(thd_arg), tmp_tables(0),
    updated(0), found(0), fields(field_list), values(value_list),
    table_count(0), copy_field(0), handle_duplicates(handle_duplicates_arg),
-   do_update(1), trans_safe(0), tmp_tables_inited(0)
+   do_update(1), trans_safe(0)
 {}
 
 
@@ -622,7 +622,6 @@ multi_update::initialize_tables(JOIN *join)
       DBUG_RETURN(1);
     tmp_tables[cnt]->file->extra(HA_EXTRA_WRITE_CACHE);
   }
-  tmp_tables_inited= 1;
   DBUG_RETURN(0);
 }
 
@@ -823,7 +822,7 @@ int multi_update::do_updates(bool from_send_error)
   
 
   do_update= 0;					// Don't retry this function  
-  if (!tmp_tables_inited)
+  if (!found)
     DBUG_RETURN(0);
   for (cur_table= update_tables; cur_table ; cur_table= cur_table->next)
   {