压缩历史至 95081aff

internal/db/clickhouse.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2025 linux.do
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package db
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"github.com/ClickHouse/clickhouse-go/v2"
+	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
+	"github.com/linux-do/credit/internal/config"
+)
+
+var (
+	ChConn driver.Conn
+)
+
+func init() {
+	if !config.Config.ClickHouse.Enabled {
+		return
+	}
+
+	cfg := config.Config.ClickHouse
+	var err error
+
+	// 配置 ClickHouse 连接
+	ChConn, err = clickhouse.Open(&clickhouse.Options{
+		Addr: cfg.Hosts,
+		Auth: clickhouse.Auth{
+			Database: cfg.Database,
+			Username: cfg.Username,
+			Password: cfg.Password,
+		},
+		Settings: clickhouse.Settings{
+			"max_execution_time": 60,
+		},
+		Compression: &clickhouse.Compression{
+			Method: clickhouse.CompressionLZ4,
+		},
+		DialTimeout:     time.Duration(cfg.DialTimeout) * time.Second,
+		MaxOpenConns:    cfg.MaxOpenConn,
+		MaxIdleConns:    cfg.MaxIdleConn,
+		ConnMaxLifetime: time.Duration(cfg.ConnMaxLifetime) * time.Second,
+		ReadTimeout:     time.Duration(cfg.DialTimeout*2) * time.Second,
+		BlockBufferSize: cfg.BlockBufferSize,
+	})
+
+	if err != nil {
+		log.Fatalf("[ClickHouse] init connection failed: %v\n", err)
+	}
+
+	// 测试连接
+	if err = ChConn.Ping(context.Background()); err != nil {
+		log.Fatalf("[ClickHouse] ping failed: %v\n", err)
+	}
+
+	log.Println("[ClickHouse] connection established successfully")
+}