From 7ff140d7dba5a6e3222469f7422dc65a5210f44a Mon Sep 17 00:00:00 2001
From: Jimmie Han <hanjinming@outlook.com>
Date: Wed, 6 Sep 2023 20:27:17 +0800
Subject: [PATCH] parseDSN: support connection pool settings (#1082)

---
 clickhouse_options.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/clickhouse_options.go b/clickhouse_options.go
index f9ddcb343d..1aef8194df 100644
--- a/clickhouse_options.go
+++ b/clickhouse_options.go
@@ -265,6 +265,24 @@ func (o *Options) fromDSN(in string) error {
 			case "round_robin":
 				o.ConnOpenStrategy = ConnOpenRoundRobin
 			}
+		case "max_open_conns":
+			maxOpenConns, err := strconv.Atoi(params.Get(v))
+			if err != nil {
+				return errors.Wrap(err, "max_open_conns invalid value")
+			}
+			o.MaxOpenConns = maxOpenConns
+		case "max_idle_conns":
+			maxIdleConns, err := strconv.Atoi(params.Get(v))
+			if err != nil {
+				return errors.Wrap(err, "max_idle_conns invalid value")
+			}
+			o.MaxIdleConns = maxIdleConns
+		case "conn_max_lifetime":
+			connMaxLifetime, err := time.ParseDuration(params.Get(v))
+			if err != nil {
+				return errors.Wrap(err, "conn_max_lifetime invalid value")
+			}
+			o.ConnMaxLifetime = connMaxLifetime
 		case "username":
 			o.Auth.Username = params.Get(v)
 		case "password":