From fcc3cc8ee4603405b840fd5328cda6dfb77caa55 Mon Sep 17 00:00:00 2001
From: AlexDuan <417921451@qq.com>
Date: Sat, 9 Oct 2021 19:17:44 +0800
Subject: [PATCH] max index over array

---
 src/query/src/qHistogram.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/query/src/qHistogram.c b/src/query/src/qHistogram.c
index 5fa35d0ee5..9a23ccad4b 100644
--- a/src/query/src/qHistogram.c
+++ b/src/query/src/qHistogram.c
@@ -162,7 +162,8 @@ int32_t tHistogramAdd(SHistogramInfo** pHisto, double val) {
 
 #if defined(USE_ARRAYLIST)
   int32_t idx = histoBinarySearch((*pHisto)->elems, (*pHisto)->numOfEntries, val);
-  assert(idx >= 0 && idx <= (*pHisto)->maxEntries && (*pHisto)->elems != NULL);
+  if(idx >= (*pHisto)->maxEntries) idx = (*pHisto)->maxEntries - 1;
+  assert(idx >= 0 && idx < (*pHisto)->maxEntries && (*pHisto)->elems != NULL);
 
   if ((*pHisto)->elems[idx].val == val && idx >= 0) {
     (*pHisto)->elems[idx].num += 1;
-- 
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