From 9e826bfa36a57f10540ca6ea649cb450add48cf4 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <serg@mariadb.org>
Date: Wed, 20 Apr 2016 15:28:44 +0200
Subject: [PATCH] trivial optimization

don't call write_bin_log() when binlog is known
to be disable
---
 sql/sql_table.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 9d161ebc0de..024ca9b58e1 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -4880,8 +4880,10 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST* src_table,
   /*
     We have to write the query before we unlock the tables.
   */
-  if (!thd->is_current_stmt_binlog_disabled() &&
-      thd->is_current_stmt_binlog_format_row())
+  if (thd->is_current_stmt_binlog_disabled())
+    goto err;
+
+  if (thd->is_current_stmt_binlog_format_row())
   {
     /*
        Since temporary tables are not replicated under row-based