EFE - Batch - Batch Delay Interval (EF Core)

CSharp · Console

/Program.cs

// Entity Framework Extensions
// Doc: https://entityframework-extensions.net/batch-delay-interval

// @nuget: Microsoft.EntityFrameworkCore.SqlServer
// @nuget: Z.EntityFramework.Extensions.EFCore

using System;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using System.Collections.Generic;
using Microsoft.Data.SqlClient;
using Z.BulkOperations;

public class Program
{
	public static void Main()
	{
		using (var context = new EntityContext())
		{
			context.Database.EnsureCreated();
		}
		
		// BatchDelayInterval: Gets or sets a delay in milliseconds to wait between batches.
		using (var context = new EntityContext())
		{
			context.Customers.AddRange(AddToList());
			
			
			context.BulkSaveChanges( options => options.BatchDelayInterval = 100);
		}
		
		using (var context = new EntityContext())
		{
			FiddleHelper.WriteTable(context.Customers.Take(5).ToList());	
		}
	}
		 	
	public static List<Customer> AddToList()
	{
		var list = new List<Customer>();
		for (int i = 0; i < 1000; i++)
		{
			list.Add(new Customer() { Name ="Customer_" + i});
		}
		
		return list;
	}

	public class EntityContext : DbContext
	{
		public EntityContext() 
		{
		}

		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
		{
			optionsBuilder.UseSqlServer(new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()));

			base.OnConfiguring(optionsBuilder);
		}
		
		public DbSet<Customer> Customers { get; set; }
	}
	
	
	public class Customer
	{
		public int CustomerID { get; set; }
		public string Name { get; set; }
		public Boolean IsActive { get; set; }
	}
}