1 files changed, 13 insertions, 0 deletions
diff --git a/sql/handler.cc b/sql/handler.cc
index ecd02e2a1be..b5c9716bbbf 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -2554,8 +2554,19 @@ int handler::update_auto_increment()
         reservation means potentially losing unused values).
         Note that in prelocked mode no estimation is given.
       */
+
       if ((auto_inc_intervals_count == 0) && (estimation_rows_to_insert > 0))
         nb_desired_values= estimation_rows_to_insert;
+      else if ((auto_inc_intervals_count == 0) &&
+               (thd->lex->many_values.elements > 0))
+      {
+        /*
+          For multi-row inserts, if the bulk inserts cannot be started, the
+          handler::estimation_rows_to_insert will not be set. But we still
+          want to reserve the autoinc values.
+        */
+        nb_desired_values= thd->lex->many_values.elements;
+      }
       else /* go with the increasing defaults */
       {
         /* avoid overflow in formula, with this if() */
@@ -5071,6 +5082,8 @@ int handler::ha_write_row(uchar *buf)
   rows_changed++;
   if (unlikely(error= binlog_log_row(table, 0, buf, log_func)))
     DBUG_RETURN(error); /* purecov: inspected */
+
+  DEBUG_SYNC_C("ha_write_row_end");
   DBUG_RETURN(0);
 }