From eca0d0d5f0e7ac798594e04caf0007c93700a5c8 Mon Sep 17 00:00:00 2001
From: Johan Wikman <johan.wikman@gmail.com>
Date: Tue, 16 Feb 2021 14:33:33 +0200
Subject: [PATCH] MXS-3408 Fix crash in qc_mysqlembedded

Calling send_eof() crashes nowadays and was anyway a workaround
for dynamic_cast, in the distant past when dynamic_cast did not
work.
---
 query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc b/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
index 766918919..b0b46c3c3 100644
--- a/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
+++ b/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
@@ -891,7 +891,7 @@ static uint32_t resolve_query_type(parsing_info_t* pi, THD* thd)
     /** SELECT ..INTO variable|OUTFILE|DUMPFILE */
     if (lex->result != NULL)
     {
-        if (lex->result->send_eof())
+        if (dynamic_cast<select_to_file*>(lex->result))
         {
             // SELECT ... INTO DUMPFILE|OUTFILE ...
             type = QUERY_TYPE_WRITE;