Overview

Definition

LinqToSql Plus is a library that dramatically improves LinqToSql performances by using bulk and batch operations.

People using this library often report performance enhancement by 50x times and more!

The library is installed through NuGet. Extension methods are added automatically to your DbContext.

It easy to use, easy to customize.

Example
// Easy to use
context.BulkInsert(list);
context.BulkUpdate(list);
context.BulkDelete(list);
context.BulkMerge(list);

// Easy to customize
context.BulkMerge(customers, options => 
	options.ColumnPrimaryKeyExpression = customer => customer.Code);

Bulk Operations Methods

Bulk operation methods give you additional flexibility by allowing to customize options such as primary key, columns and more.

Bulk Operations Available:

Bulk Operations Examples
// Easy to use
context.BulkInsert(list);
context.BulkUpdate(list);
context.BulkDelete(list);
context.BulkMerge(list);

// Easy to customize
context.BulkMerge(customers, options => 
	options.ColumnPrimaryKeyExpression = customer => customer.Code; });

Performance Comparisons

Operations 1,000 Entities 2,000 Entities 5,000 Entities
SubmitChanges 1,000 ms 2,000 ms 5,000 ms
BulkInsert 6 ms 10 ms 15 ms
BulkUpdate 50 ms 55 ms 65 ms
BulkDelete 45 ms 50 ms 60 ms
BulkMerge 65 ms 80 ms 110 ms

Batch Operations Methods

Batch Operations method allow to perform UPDATE or DELETE operation directly in the database using a LINQ Query without loading entities in the context.

Everything is executed on the database side to let you get the best performance available.

Batch Operations Available:

Batch Operations Examples
// DELETE all customers that are inactive for more than two years
context.Customers
    .Where(x => x.LastLogin < DateTime.Now.AddYears(-2))
    .DeleteFromQuery();
 
// UPDATE all customers that are inactive for more than two years
context.Customers (Coming Soon)
    .Where(x => x.Actif && x.LastLogin < DateTime.Now.AddYears(-2))
    .UpdateFromQuery(x => new Customer {Actif = false});

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Performance Comparisons

| Operations | 1,000 Entities | 2,000 Entities | 5,000 Entities | | :————– | ————-: | ————-: | ————-: | | SubmitChanges | 1,000 ms | 2,000 ms | 5,000 ms | | DeleteFromQuery | 1 ms | 1 ms | 1 ms | | UpdateFromQuery | 1 ms | 1 ms | 1 ms | –!>