From cc52467c42055caa0aaf9a15f9b7ceb7bf2743db Mon Sep 17 00:00:00 2001
From: Jose <jose.rojas@mariadb.com>
Date: Mon, 27 Apr 2020 16:17:12 +0000
Subject: [PATCH] MCOL-3839 Count as window function with constants fix

---
 utils/windowfunction/wf_count.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/utils/windowfunction/wf_count.cpp b/utils/windowfunction/wf_count.cpp
index 1c5ba1c57..8bcded90c 100644
--- a/utils/windowfunction/wf_count.cpp
+++ b/utils/windowfunction/wf_count.cpp
@@ -120,11 +120,12 @@ void WF_count<T>::operator()(int64_t b, int64_t e, int64_t c)
             if (cc)
             {
                 bool isNull = false;
-                int val = cc->getIntVal(fRow, isNull);
+                cc->getIntVal(fRow, isNull);
 
                 if (!isNull)
                 {
-                    fCount = val;
+                    // constant, set fCount to row count
+                    fCount = e - b + 1;
                 } 
             }
         }