From 44e16891b62a1dc6da84a3c8bce4e26d956f1d01 Mon Sep 17 00:00:00 2001
From: Ning Sun <sunng@protonmail.com>
Date: Fri, 28 Oct 2022 14:50:15 +0800
Subject: [PATCH] Update src/servers/src/http.rs

Co-authored-by: LFC <bayinamine@gmail.com>
---
 src/servers/src/http.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/servers/src/http.rs b/src/servers/src/http.rs
index 7e51eb302f..6db891537f 100644
--- a/src/servers/src/http.rs
+++ b/src/servers/src/http.rs
@@ -102,7 +102,7 @@ impl TryFrom<Vec<RecordBatch>> for HttpRecordsOutput {
                     .collect(),
             };
 
-            let mut rows = Vec::new();
+            let mut rows = Vec::with_capacity(recordbatches.iter().map(|r| r.rows()).sum::<usize>());
 
             for recordbatch in recordbatches {
                 for row in recordbatch.rows() {