From 6d49ef49e57708b4bbc6b428c9e6228685e59452 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= <marko.makela@mariadb.com>
Date: Fri, 5 Jan 2018 22:48:09 +0200
Subject: Fix a -Wimplicit-fallthrough warning

---
 sql/sql_union.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index e637110c798..3903f3e8d9e 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -68,13 +68,14 @@ void select_unit::change_select()
   curr_sel= current_select_number;
   /* New SELECT processing starts */
   DBUG_ASSERT(table->file->inited == 0);
-  switch (thd->lex->current_select->linkage)
+  step= thd->lex->current_select->linkage;
+  switch (step)
   {
   case INTERSECT_TYPE:
     intersect_mark->value= prev_step= curr_step;
     curr_step= current_select_number;
+    break;
   case EXCEPT_TYPE:
-    step= thd->lex->current_select->linkage;
     break;
   default:
     step= UNION_TYPE;
-- 
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