using System.Linq;
using System.Threading.Tasks;

namespace WeOnlineApp.CommonManager.Sqls
{
    public sealed class NullSqlManager : ISqlManager
    {
        public static NullSqlManager Instance { get; } = new NullSqlManager();
        public int Execute(string sql, params object[] parameters)
        {
            return default(int);
        }

        public Task<int> ExecuteAsync(string sql, params object[] parameters)
        {
            return Task.FromResult(default(int));
        }

        public IQueryable<T> SqlQuery<T>(string sql, params object[] parameters)
        {

            return default(IQueryable<T>);
        }

        public Task<IQueryable<T>> SqlQueryAsync<T>(string sql, params object[] parameters)
        {
            return Task.FromResult(default(IQueryable<T>));
        }
    }
}