From c614aa5da2d05bbbbd562a00007683dc2671f217 Mon Sep 17 00:00:00 2001
From: sentanos <froastj@gmail.com>
Date: Thu, 27 Jul 2023 00:23:24 -0700
Subject: [PATCH] Release connection on timeout (#1042)

---
 clickhouse.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clickhouse.go b/clickhouse.go
index e28f175fd6..8b18d2ddad 100644
--- a/clickhouse.go
+++ b/clickhouse.go
@@ -258,6 +258,10 @@ func (ch *clickhouse) acquire(ctx context.Context) (conn *connect, err error) {
 	}
 	select {
 	case <-timer.C:
+		select {
+		case <-ch.open:
+		default:
+		}
 		return nil, ErrAcquireConnTimeout
 	case conn := <-ch.idle:
 		if conn.isBad() {