public static void Main(string[] args)
{
var db = new EfDataContext();
Console.WriteLine("transfer all data to the mangodb");
var rowCount = db.KeyWordArticle.Count(x => x.EnabledMark && !x.DeleteMark);
Console.WriteLine($"data row：{rowCount}");
Console.WriteLine("read table data into the list");
Stopwatch st1 = new Stopwatch();
st1.Start();
var list = db.KeyWordArticle.Where(x => x.EnabledMark && !x.DeleteMark).Take(1000).ToList();
st1.Stop();
Console.WriteLine($"[EntityFrameworkCore] a total of {list.Count} lines of data are read, and the time is {st1.ElapsedMilliseconds}ms.");
Stopwatch st2 = new Stopwatch();
st2.Start();
var addCount = MongoDbHelper <KeyWordArticleEntity> .InsertMany(new MongoDbHost(), list.ToList());
st2.Stop();
Console.WriteLine($"[MongoDb] a total of {addCount} lines of data are processed, and the time is {st2.ElapsedMilliseconds}ms.");
//Stopwatch stopwatch = new Stopwatch();
//stopwatch.Start();
//foreach (var str in AddSuccess(list))
//{
// Console.WriteLine(str);
//}
//stopwatch.Stop();
//Console.WriteLine($"[MongoDb] yield add data, when: {stopwatch.ElapsedMilliseconds}ms.");
//Stopwatch st3 = new Stopwatch();
//st3.Start();
//var readCount = MongoDbHelper<KeyWordArticleEntity>.FindList(new MongoDbHost(), FilterDefinition<KeyWordArticleEntity>.Empty);
//st3.Stop();
//Console.WriteLine($"[MongoDb] a total of {readCount.Count} lines of data are read, and the time is {st3.ElapsedMilliseconds}ms.");
//for (int i = 0; i < 10; i++)
//{
// Stopwatch st = new Stopwatch();
// st.Start();
// var readRow = MongoDbHelper<KeyWordArticleEntity>.FindList(new MongoDbHost(), FilterDefinition<KeyWordArticleEntity>.Empty);
// st.Stop();
// Console.WriteLine($"[MongoDb] a total of {readRow.Count} lines of data are read, and the time is {st.ElapsedMilliseconds}ms.");
//}
Console.ReadLine();
}
public static IEnumerable <string> AddSuccess(List <KeyWordArticleEntity> list)
{
for (int i = 0; i < list.Count; i++)
{
Stopwatch st = new Stopwatch();
st.Start();
var addCount = MongoDbHelper <KeyWordArticleEntity> .Add(new MongoDbHost(), list[i]);
st.Stop();
var result = $"no.[{i + 1}] execution completed, when: {st.ElapsedMilliseconds}ms.";
yield return(result);
}
}