Dapper Bulk Delete Fastest Way in Dapper to Delete Multiple Rows

Description

The Dapper Plus BulkDelete method allows to DELETE entities in a database table or a view.

NOTE: For async method, see async action

Bulk Delete Entity

The Dapper Plus BulkDelete method allows deleting single or multiple entities of the same type.

//Delete a single order.
connection.BulkDelete(order);

//Delete multiple orders.
connection.BulkDelete(order1, order2, order3);

Bulk Delete IEnumerable

The Dapper Plus BulkDelete method allows deleting a single enumerable or multiple enumerable of entities of the same type.

//Delete a list of orders.
connection.BulkDelete(orders);

//Delete multiple list of orders.
connection.BulkDelete(orders1, orders2, orders3);

Bulk Delete with "One to One" Relation

The Dapper Plus BulkDelete method allows deleting a related item with a "One to One" relation.

//Delete an order and the related invoice.
connection.BulkDelete(order, order => order.Invoice);

//Delete a list of orders and the related invoice to every order.
connection.BulkDelete(orders, order => order.Invoice);

Bulk Delete with "One to Many" Relation

The Dapper Plus BulkDelete method allows deleting related items with a "One to Many" relation.

//Delete an order and all related items.
connection.BulkDelete(order, order => order.Items);

//Delete a list of orders and all related items to every order.
connection.BulkDelete(orders, order => order.Items);

Bulk Delete with "Mixed" Relation

The Dapper Plus BulkDelete method allows deleting related item(s) with any relation.

//Delete an order, all related items, and the related invoice.
connection.BulkDelete(order, order => order.Items, order => order.Invoice);

//Delete a list of orders, all related items to every order, and the related invoice to every order.
connection.BulkDelete(orders, order => order.Items, order => order.Invoice);

Bulk Delete Chain Action

The Dapper Plus BulkDelete method allows chaining multiple bulk action methods.

//Delete an order and all related items. Delete an invoice and all related invoice items.
connection.BulkDelete(order, order => order.Items)
          .BulkDelete(invoice, invoice => invoice.Items);

//Delete a list of orders and all related items to every order. Delete a list of invoices and 
//all related items to every invoice.
connection.BulkDelete(orders, order => order.Items)
          .BulkDelete(invoices, invoice => invoice.Items);
Last updated: 2023-03-03
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