From 5ae6098b37db9d4f68487dd65a60300d48a52351 Mon Sep 17 00:00:00 2001
From: Costa <aschen@cug.edu.cn>
Date: Thu, 29 Apr 2021 14:42:06 +0800
Subject: [PATCH] fix closure problem

closure problem cause stmt.queryrow con not  reach i's value
---
 benchmarks.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/benchmarks.go b/benchmarks.go
index badd534..45553aa 100644
--- a/benchmarks.go
+++ b/benchmarks.go
@@ -287,7 +287,7 @@ func runPreparedQueryConcurrent(db *sql.DB, n int, co int) error {
 	wg.Add(co)
 
 	for i := 0; i < co; i++ {
-		go func() {
+		go func(i int) {
 			var id int
 			var str string
 			for {
@@ -302,7 +302,7 @@ func runPreparedQueryConcurrent(db *sql.DB, n int, co int) error {
 					return
 				}
 			}
-		}()
+		}(i)
 	}
 	wg.Wait()
 	stmt.Close()