zenbook migration

clickhouse/main.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/ClickHouse/clickhouse-go/v2"
+	_ "github.com/go-sql-driver/mysql"
+)
+
+func main() {
+	var dialCount int
+	conn, err := clickhouse.Open(&clickhouse.Options{
+		Addr: []string{"node-stable-1.db.cluster.zerops:9000"},
+		Auth: clickhouse.Auth{
+			Database: "cluster",
+			Username: "zerops",
+			Password: "uvKq9EnwUnXqKQEYcVTYzhoQ",
+		},
+		DialContext: func(ctx context.Context, addr string) (net.Conn, error) {
+			dialCount++
+			var d net.Dialer
+			return d.DialContext(ctx, "tcp", addr)
+		},
+		Debug: true,
+		Debugf: func(format string, v ...any) {
+			fmt.Printf(format+"\n", v...)
+		},
+		Settings: clickhouse.Settings{
+			"max_execution_time": 60,
+		},
+		Compression: &clickhouse.Compression{
+			Method: clickhouse.CompressionLZ4,
+		},
+		DialTimeout:          time.Second * 30,
+		MaxOpenConns:         5,
+		MaxIdleConns:         5,
+		ConnMaxLifetime:      time.Duration(10) * time.Minute,
+		ConnOpenStrategy:     clickhouse.ConnOpenInOrder,
+		BlockBufferSize:      10,
+		MaxCompressionBuffer: 10240,
+		ClientInfo: clickhouse.ClientInfo{ // optional, please see Client info section in the README.md
+			Products: []struct {
+				Name    string
+				Version string
+			}{
+				{Name: "my-app", Version: "0.1"},
+			},
+		},
+	})
+	if err != nil {
+		panic(err)
+	}
+	err = conn.Ping(context.Background())
+	if err != nil {
+		panic(err)
+	}
+	conn2, err := sql.Open("mysql", "zerops:uvKq9EnwUnXqKQEYcVTYzhoQ@tcp(node-stable-1.db.cluster.zerops:9004)/")
+	if err != nil {
+		panic(err)
+	}
+	err = conn2.Ping()
+	if err != nil {
+		panic(err)
+	}
+}