github.com/gogf/gf@v1.16.9/.example/database/gdb/mysql/gdb_ctx.go (about)

     1  package main
     2  
     3  import (
     4  	"context"
     5  	"github.com/gogf/gf/frame/g"
     6  )
     7  
     8  func main() {
     9  	ctx := context.WithValue(context.Background(), "Trace-Id", "123456789")
    10  	_, err := g.DB().Ctx(ctx).Query("SELECT 1")
    11  	if err != nil {
    12  		panic(err)
    13  	}
    14  }