From ecf259cacf46826e5eb8be0c1649d86b3df559ae Mon Sep 17 00:00:00 2001
From: Eugene Kosov <claprix@yandex.ru>
Date: Thu, 16 Nov 2017 15:38:59 +0300
Subject: [PATCH] SQL: main.flush_read_lock fix [#302]

---
 sql/sql_show.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index d5e0218bfc5..e6123da93fb 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -4907,6 +4907,9 @@ static bool get_all_archive_tables(THD *thd,
   if (thd->variables.vers_hide == VERS_HIDE_NEVER)
     return false;
 
+  if (thd->variables.vers_alter_history != VERS_ALTER_HISTORY_SURVIVE)
+    return false;
+
   Dynamic_array<LEX_CSTRING *> all_db;
   LOOKUP_FIELD_VALUES lookup_field_values= {
     {C_STRING_WITH_LEN("%")}, {NULL, 0}, true, false};