Double update when bulkupdate about efcore.bulkextensions HOT 3 CLOSED

using (var transaction = context.Database.BeginTransaction())
{
    context.BulkInsert(entitiesList);
    context.BulkInsert(subEntitiesList);
    transaction.Commit();
}

[Fact]
private async Task RunCustomTestAsync()
{
    var entities = new List<Item>();
    for (int i = 1; i < EntitiesNumber; i++)
    {
        entities.Add(new Item
        {
            Name = "name " + i,
            Description = "info " + Guid.NewGuid().ToString().Substring(0, 3),
            Quantity = i % 10,
            Price = i / (i % 5 + 1),
            TimeUpdated = DateTime.Now,
        });
    }
    using (var context = new TestContext(ContextUtil.GetOptions()))
    {
        using (var transaction = context.Database.BeginTransaction())
        {
            await context.BulkInsertAsync(entities, new BulkConfig()
            {
                SetOutputIdentity = true,
                WithHoldlock = false
            });

            int counter = 1;
            foreach (var entity in entities)
            {
                if (counter % 2 == 0)
                {
                    entity.Name = "name Update " + counter;
                    entity.TimeUpdated = DateTime.Now;
                }
                counter++;
            }

            await context.BulkUpdateAsync(entities, new BulkConfig
            {
                SetOutputIdentity = true,
                WithHoldlock = false
            });

            transaction.Commit();
        }
    }
}

[Fact]
private async Task RunCustomTestAsync() {
    var entities = new List<Item>();
    for (int i = 1; i < EntitiesNumber; i++) {
        entities.Add(new Item {
            Name = "name " + i,
            Description = "info " + Guid.NewGuid().ToString().Substring(0, 3),
            Quantity = i % 10,
            Price = i / (i % 5 + 1),
            TimeUpdated = DateTime.Now,
        });
    }
    using (var context = new TestContext(ContextUtil.GetOptions())) {
        //transaction izolation level in my case was set to ReadCommited
        //var transaction = context.Database.BeginTransaction(IsolationLevel.ReadCommited)
        using (var transaction = context.Database.BeginTransaction()) {
            await context.BulkInsertAsync(entities, new BulkConfig() {
                SetOutputIdentity = true,
                WithHoldlock = false
            });

            int counter = 1;
            foreach (var entity in entities) {
                if (counter % 2 == 0) {
                    entity.Name = "name Update " + counter;
                    entity.TimeUpdated = DateTime.Now;
                }
                counter++;
            }

            await context.BulkUpdateAsync(entities, new BulkConfig {
                SetOutputIdentity = true,
                WithHoldlock = false
            });

            //DO some extra operations inside transaction without bulk, like:
            //var otherEntity =  context.entity.FirstOrDefault(x=>x.Id == 1);
            //otherEntity.prop = 1;

            //then making save changes to apply our operations to transaction
            //here if we watch sql profiler, entries which was in bulk update updated second time by ef change tracker
            //context.SaveChanges();

            transaction.Commit();
        }
    }
}