♻️ refactor(clickhouse): 使用结构化 Options 替代 DSN 连接构造

- 用 buildClickHouseOptions 收敛连接参数生成逻辑
- 将连接入口改为 clickhouse.OpenDB(Options)
- 清理 DSN 中的 write_timeout/read_timeout/dial_timeout 透传路径
- 同步重写 ClickHouse 相关测试断言
- refs #138

internal/db/clickhouse_impl.go

@@ -17,7 +17,7 @@ import (
 	"GoNavi-Wails/internal/ssh"
 	"GoNavi-Wails/internal/utils"
 
-	_ "github.com/ClickHouse/clickhouse-go/v2"
+	clickhouse "github.com/ClickHouse/clickhouse-go/v2"
 )
 
 const (
@@ -100,25 +100,20 @@ func applyClickHouseURI(config connection.ConnectionConfig) connection.Connectio
 	return config
 }
 
-func (c *ClickHouseDB) getDSN(config connection.ConnectionConfig) string {
-	u := &url.URL{
-		Scheme: "clickhouse",
-		Host:   net.JoinHostPort(config.Host, strconv.Itoa(config.Port)),
-		Path:   "/" + strings.TrimPrefix(strings.TrimSpace(config.Database), "/"),
+func (c *ClickHouseDB) buildClickHouseOptions(config connection.ConnectionConfig) *clickhouse.Options {
+	timeout := getConnectTimeout(config)
+	return &clickhouse.Options{
+		Addr: []string{
+			net.JoinHostPort(config.Host, strconv.Itoa(config.Port)),
+		},
+		Auth: clickhouse.Auth{
+			Database: strings.TrimSpace(config.Database),
+			Username: strings.TrimSpace(config.User),
+			Password: config.Password,
+		},
+		DialTimeout: timeout,
+		ReadTimeout: timeout,
 	}
-	if strings.TrimSpace(config.Password) != "" {
-		u.User = url.UserPassword(strings.TrimSpace(config.User), config.Password)
-	} else {
-		u.User = url.User(strings.TrimSpace(config.User))
-	}
-
-	timeoutSeconds := getConnectTimeoutSeconds(config)
-	query := u.Query()
-	query.Set("dial_timeout", fmt.Sprintf("%ds", timeoutSeconds))
-	query.Set("read_timeout", fmt.Sprintf("%ds", timeoutSeconds))
-	query.Set("write_timeout", fmt.Sprintf("%ds", timeoutSeconds))
-	u.RawQuery = query.Encode()
-	return u.String()
 }
 
 func (c *ClickHouseDB) Connect(config connection.ConnectionConfig) error {
@@ -165,11 +160,7 @@ func (c *ClickHouseDB) Connect(config connection.ConnectionConfig) error {
 		logger.Infof("ClickHouse 通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
 	}
 
-	dbConn, err := sql.Open("clickhouse", c.getDSN(runConfig))
-	if err != nil {
-		return fmt.Errorf("打开数据库连接失败：%w", err)
-	}
-	c.conn = dbConn
+	c.conn = clickhouse.OpenDB(c.buildClickHouseOptions(runConfig))
 
 	if err := c.Ping(); err != nil {
 		_ = c.Close()

internal/db/dsn_test.go

@@ -5,6 +5,7 @@ package db
 import (
 	"strings"
 	"testing"
+	"time"
 
 	"GoNavi-Wails/internal/connection"
 )
@@ -115,7 +116,7 @@ func TestTDengineDSN_UsesWebSocketFormat(t *testing.T) {
 	}
 }
 
-func TestClickHouseDSN_EscapesPasswordAndSetsTimeout(t *testing.T) {
+func TestClickHouseOptions_UsesStructuredTimeoutAndAuth(t *testing.T) {
 	c := &ClickHouseDB{}
 	cfg := normalizeClickHouseConfig(connection.ConnectionConfig{
 		Type:     "clickhouse",
@@ -127,17 +128,35 @@ func TestClickHouseDSN_EscapesPasswordAndSetsTimeout(t *testing.T) {
 		Timeout:  15,
 	})
 
-	dsn := c.getDSN(cfg)
-	if strings.Contains(dsn, cfg.Password) {
-		t.Fatalf("dsn 包含原始密码：%s", dsn)
+	opts := c.buildClickHouseOptions(cfg)
+	if opts == nil {
+		t.Fatal("options 为空")
 	}
-	if !strings.Contains(dsn, "p%40ss%3Awo%2Frd") {
-		t.Fatalf("dsn 未正确转义密码：%s", dsn)
+	if len(opts.Addr) != 1 || opts.Addr[0] != "127.0.0.1:9000" {
+		t.Fatalf("addr 不符合预期：%v", opts.Addr)
 	}
-	if !strings.Contains(dsn, "dial_timeout=15s") {
-		t.Fatalf("dsn 缺少 dial_timeout 参数：%s", dsn)
+	if opts.Auth.Username != "default" {
+		t.Fatalf("username 不符合预期：%s", opts.Auth.Username)
 	}
-	if !strings.Contains(dsn, "/analytics") {
-		t.Fatalf("dsn 缺少数据库路径：%s", dsn)
+	if opts.Auth.Password != cfg.Password {
+		t.Fatalf("password 不符合预期：%s", opts.Auth.Password)
+	}
+	if opts.Auth.Database != "analytics" {
+		t.Fatalf("database 不符合预期：%s", opts.Auth.Database)
+	}
+	if opts.DialTimeout != 15*time.Second {
+		t.Fatalf("dial timeout 不符合预期：%s", opts.DialTimeout)
+	}
+	if opts.ReadTimeout != 15*time.Second {
+		t.Fatalf("read timeout 不符合预期：%s", opts.ReadTimeout)
+	}
+	if _, ok := opts.Settings["write_timeout"]; ok {
+		t.Fatalf("options 不应包含 write_timeout 设置：%v", opts.Settings)
+	}
+	if _, ok := opts.Settings["read_timeout"]; ok {
+		t.Fatalf("options 不应通过 settings 传递 read_timeout：%v", opts.Settings)
+	}
+	if _, ok := opts.Settings["dial_timeout"]; ok {
+		t.Fatalf("options 不应通过 settings 传递 dial_timeout：%v", opts.Settings)
 	}
 }