From 630f926dc6ce5a04a33966cb1b96c8c075449581 Mon Sep 17 00:00:00 2001
From: Roman Nozdrin <roman.nozdrin@mariadb.com>
Date: Tue, 20 Aug 2019 21:12:09 +0300
Subject: [PATCH] Fix MDB crash bug with failed assertion on Item_func::fixed.

---
 dbcon/mysql/ha_calpont_execplan.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dbcon/mysql/ha_calpont_execplan.cpp b/dbcon/mysql/ha_calpont_execplan.cpp
index 49ef3093e..a91b74de5 100644
--- a/dbcon/mysql/ha_calpont_execplan.cpp
+++ b/dbcon/mysql/ha_calpont_execplan.cpp
@@ -5237,6 +5237,11 @@ void gp_walk(const Item* item, void* arg)
 
             if (!gwip->condPush)
             {
+                if (!ifp->is_fixed())
+                {
+                    ifp->fix_fields(gwip->thd, reinterpret_cast<Item**>(&ifp));
+                }
+
                 if (ifp->with_subquery() || funcName == "<in_optimizer>")
                 {
                     buildSubselectFunc(ifp, gwip);