1 files changed, 3 insertions, 0 deletions
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index 202dde11..c55b8789 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -263,7 +263,10 @@ int update_portion_of_time(THD *thd, TABLE *table,
     res= src->save_in_field(table->field[dst_fieldno], true);
 
   if (likely(!res))
+  {
+    table->period_prepare_autoinc();
     res= table->update_generated_fields();
+  }
 
   if(likely(!res))
     res= table->file->ha_update_row(table->record[1], table->record[0]);