From a576328740137905bd7a31d400b453d20a88c140 Mon Sep 17 00:00:00 2001
From: Mohit Saxena <mohit.saxena@knoldus.com>
Date: Thu, 21 Oct 2021 22:02:25 +0530
Subject: [PATCH] Adding condition to check for Zero values

---
 src/query/src/tdigest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/query/src/tdigest.c b/src/query/src/tdigest.c
index 109fd7574f..4870d1ff60 100644
--- a/src/query/src/tdigest.c
+++ b/src/query/src/tdigest.c
@@ -296,7 +296,7 @@ double tdigestQuantile(TDigest *t, double q) {
     a = b;
     right = t->max;
 
-    if (idx < weight_so_far + a->weight) {
+    if (idx < weight_so_far + a->weight && a->weight != 0) {
         double p = (idx - weight_so_far) / a->weight;
         return left * (1 - p) + right * p;
     }
-- 
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