From dcacbbd3a92dad74c27669c7073e2d9db16dfd57 Mon Sep 17 00:00:00 2001
From: Leonid Fedorov <79837786+mariadb-LeonidFedorov@users.noreply.github.com>
Date: Wed, 18 Aug 2021 19:48:48 +0300
Subject: [PATCH] Wrong power of 2 in esimator` (#2088)

---
 dbcon/joblist/rowestimator.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/dbcon/joblist/rowestimator.cpp b/dbcon/joblist/rowestimator.cpp
index 9879aa932..873a1ad49 100644
--- a/dbcon/joblist/rowestimator.cpp
+++ b/dbcon/joblist/rowestimator.cpp
@@ -159,16 +159,16 @@ uint32_t RowEstimator::estimateDistinctValues(const execplan::CalpontSystemCatal
 
             // Return limit/2 for integers where limit is number of possible values.
             case CalpontSystemCatalog::TINYINT:
-                return (2 ^ 8) / 2;
+                return (1 << 8) / 2;
 
             case CalpontSystemCatalog::UTINYINT:
-                return (2 ^ 8);
+                return (1 << 8);
 
             case CalpontSystemCatalog::SMALLINT:
-                return (2 ^ 16) / 2;
+                return (1 << 16) / 2;
 
             case CalpontSystemCatalog::USMALLINT:
-                return (2 ^ 16);
+                return (1 << 16);
 
             // Next group all have range greater than 8M (# of rows in an extent), use 8M/2 as the estimate.
             case CalpontSystemCatalog::MEDINT: