package main

import (
	"context"
	"time"
)

func Query(string) string

func DoQeury(qyeryStr string) (string, error) {
	ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
	defer cancel()

	var resultCh chan string
	go func() {
		result := Query(qyeryStr)
		resultCh <- result
	}()

	select {
	case <-ctx.Done():
		return "", ctx.Err()
	case result := <-resultCh:
		return result, nil
	}
}