From c8abf3e6de5b84b1ab028116a040d0dcc1d19262 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Mon, 17 Feb 2014 11:09:40 +0100
Subject: [PATCH] don't open and fill all I_S tables for SELECT * FROM
 I_S.TRIGGERS

---
 sql/sql_show.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index acd67f807ca..91e1693fb94 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -4514,6 +4514,10 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
                                         table_name, with_i_schema))
               continue;
           }
+          else if (schema_table_idx == SCH_TRIGGERS && with_i_schema)
+          {
+            continue;
+          }
           else
           {
             if (!(table_open_method & ~OPEN_FRM_ONLY) &&