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34 lines
735 B
34 lines
735 B
package common
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import (
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"database/sql"
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"time"
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"laic-backend/logger"
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_ "github.com/taosdata/driver-go/v3/taosWS"
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)
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var TD *sql.DB
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// InitTDengine 初始化 TDengine 连接池。Dsn 为空时跳过；连接失败仅告警不 panic（部署期确认）
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func InitTDengine(config *TDengine) {
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if config == nil || config.Dsn == "" {
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logger.WARN("TDengine dsn 为空，跳过初始化")
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return
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}
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db, err := sql.Open("taosWS", config.Dsn)
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if err != nil {
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logger.ERROR("TDengine connect error", err)
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return
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}
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db.SetMaxOpenConns(10)
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db.SetMaxIdleConns(5)
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db.SetConnMaxLifetime(time.Hour)
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if err := db.Ping(); err != nil {
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logger.ERROR("TDengine ping error", err)
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return
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}
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TD = db
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logger.INFO("TDengine ready")
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}
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