udeServer/internal/logic/dbpinglogic.go

// Code scaffolded by goctl. Safe to edit.
// goctl 1.10.2

package logic

import (
	"context"

	"udeServer/internal/svc"
	"udeServer/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type DbPingLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewDbPingLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DbPingLogic {
	return &DbPingLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *DbPingLogic) DbPing() (resp *types.DbPingResponse, err error) {
	var info struct {
		Version  string `db:"version"`
		Database string `db:"db_name"`
	}

	err = l.svcCtx.DB.QueryRowCtx(l.ctx, &info,
		"SELECT VERSION() AS version, DATABASE() AS db_name")
	if err != nil {
		l.Errorf("ping mysql failed: %v", err)
		return nil, err
	}

	return &types.DbPingResponse{
		Ok:       true,
		Version:  info.Version,
		Database: info.Database,
	}, nil
}