private void InsertWithDiscriminatorShadow()
{
using (var context = new TestContext(ContextUtil.GetOptions()))
{
var entities = new List <Student>();
for (int i = 1; i <= EntitiesNumber; i++)
{
entities.Add(new Student
{
Name = "name " + i,
Subject = "Math"
});
}
context.Students.AddRange(entities); // adding to Context so that Shadow property 'Discriminator' gets set
context.BulkInsert(entities);
}
using (var context = new TestContext(ContextUtil.GetOptions()))
{
var entities = context.Students.ToList();
Assert.Equal(EntitiesNumber, entities.Count());
context.BulkDelete(entities);
}
}
private void InsertWithOwnedTypes()
{
using (var context = new TestContext(ContextUtil.GetOptions()))
{
context.Database.ExecuteSqlCommand("TRUNCATE TABLE [" + nameof(ChangeLog) + "]");
var entities = new List <ChangeLog>();
for (int i = 1; i <= EntitiesNumber; i++)
{
entities.Add(new ChangeLog
{
ChangeLogId = 1,
Description = "Dsc " + i,
Audit = new Audit
{
ChangedBy = "User" + 1,
ChangedTime = DateTime.Now
}
});
}
context.BulkInsert(entities);
}
}
private void RunInsert(bool isBulkOperation)
{
using (var context = new TestContext(ContextUtil.GetOptions()))
{
var entities = new List <Item>();
var subEntities = new List <ItemHistory>();
for (int i = 1; i < EntitiesNumber; i++)
{
var entity = new Item
{
ItemId = isBulkOperation ? i : 0,
Name = "name " + i,
Description = "info " + Guid.NewGuid().ToString().Substring(0, 3),
Quantity = i % 10,
Price = i / (i % 5 + 1),
TimeUpdated = DateTime.Now,
ItemHistories = new List <ItemHistory>()
};
var subEntity1 = new ItemHistory
{
ItemHistoryId = SeqGuid.Create(),
Remark = $"some more info {i}.1"
};
var subEntity2 = new ItemHistory
{
ItemHistoryId = SeqGuid.Create(),
Remark = $"some more info {i}.2"
};
entity.ItemHistories.Add(subEntity1);
entity.ItemHistories.Add(subEntity2);
entities.Add(entity);
}
if (isBulkOperation)
{
using (var transaction = context.Database.BeginTransaction())
{
context.BulkInsert(
entities,
new BulkConfig
{
PreserveInsertOrder = true,
SetOutputIdentity = true,
BatchSize = 4000,
UseTempDB = true
},
(a) => WriteProgress(a)
);
foreach (var entity in entities)
{
foreach (var subEntity in entity.ItemHistories)
{
subEntity.ItemId = entity.ItemId; // setting FK to match its linked PK that was generated in DB
}
subEntities.AddRange(entity.ItemHistories);
}
context.BulkInsert(subEntities);
transaction.Commit();
}
}
else
{
context.Items.AddRange(entities);
context.SaveChanges();
}
}
using (var context = new TestContext(ContextUtil.GetOptions()))
{
int entitiesCount = ItemsCountQuery(context);
Item lastEntity = LastItemQuery(context);
Assert.Equal(EntitiesNumber - 1, entitiesCount);
Assert.NotNull(lastEntity);
Assert.Equal("name " + (EntitiesNumber - 1), lastEntity.Name);
}
}
private async Task RunInsertAsync(bool isBulkOperation, bool insertTo2Tables)
{
using (var context = new TestContext(ContextUtil.GetOptions()))
{
var entities = new List <Item>();
var subEntities = new List <ItemHistory>();
for (int i = 1; i < EntitiesNumber; i++)
{
entities.Add(new Item
{
ItemId = i,
Name = "name " + i,
Description = "info " + Guid.NewGuid().ToString().Substring(0, 3),
Quantity = i % 10,
Price = i / (i % 5 + 1),
TimeUpdated = DateTime.Now,
});
}
if (isBulkOperation)
{
if (insertTo2Tables)
{
using (var transaction = await context.Database.BeginTransactionAsync())
{
await context.BulkInsertAsync(entities, new BulkConfig { PreserveInsertOrder = true, SetOutputIdentity = true, BatchSize = 4000 });
foreach (var entity in entities)
{
subEntities.Add(new ItemHistory
{
ItemHistoryId = SeqGuid.Create(),
ItemId = entity.ItemId,
Remark = "some more info"
});
}
await context.BulkInsertAsync(subEntities);
transaction.Commit();
}
}
else
{
await context.BulkInsertAsync(entities);
}
}
else
{
await context.Items.AddRangeAsync(entities);
await context.SaveChangesAsync();
}
}
using (var context = new TestContext(ContextUtil.GetOptions()))
{
int entitiesCount = ItemsCountQuery(context);
Item lastEntity = LastItemQuery(context);
Assert.Equal(EntitiesNumber - 1, entitiesCount);
Assert.NotNull(lastEntity);
Assert.Equal("name " + (EntitiesNumber - 1), lastEntity.Name);
}
}