From 524322ad3efdd5d27d3c321dfa7ba17234d9a98a Mon Sep 17 00:00:00 2001
From: Michael Okoko <okokomichaels@outlook.com>
Date: Wed, 7 Jul 2021 22:45:43 +0100
Subject: [PATCH] Properly initialize bucket bounds vector

Signed-off-by: Michael Okoko <okokomichaels@outlook.com>
---
 sql/sql_statistics.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sql/sql_statistics.cc b/sql/sql_statistics.cc
index 85ee5a90609..56e20ecf48e 100644
--- a/sql/sql_statistics.cc
+++ b/sql/sql_statistics.cc
@@ -35,6 +35,7 @@
 #include "my_json_writer.h"
 
 #include <vector>
+#include <string>
 
 /*
   The system variable 'use_stat_tables' can take one of the
@@ -1595,7 +1596,7 @@ public:
 
 class Histogram_builder_json : public Histogram_builder
 {
-std::vector<std::string> bucket_bounds;
+std::vector<std::string> bucket_bounds = {};
 
 public:
   Histogram_builder_json(Field *col, uint col_len, ha_rows rows)
@@ -1611,7 +1612,6 @@ public:
     count= 0;
     count_distinct= 0;
     count_distinct_single_occurence= 0;
-    bucket_bounds = {};
   }
 
   ~Histogram_builder_json() override = default;