UpdateSqlGenerator.AppendDeleteReturningOperation Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Update

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Appends SQL for deleting a row to the commands being built, via a DELETE containing a RETURNING clause for concurrency checking.

protected virtual Microsoft.EntityFrameworkCore.Update.ResultSetMapping AppendDeleteReturningOperation (System.Text.StringBuilder commandStringBuilder, Microsoft.EntityFrameworkCore.Update.IReadOnlyModificationCommand command, int commandPosition, out bool requiresTransaction);

abstract member AppendDeleteReturningOperation : System.Text.StringBuilder * Microsoft.EntityFrameworkCore.Update.IReadOnlyModificationCommand * int * bool -> Microsoft.EntityFrameworkCore.Update.ResultSetMapping
override this.AppendDeleteReturningOperation : System.Text.StringBuilder * Microsoft.EntityFrameworkCore.Update.IReadOnlyModificationCommand * int * bool -> Microsoft.EntityFrameworkCore.Update.ResultSetMapping

Protected Overridable Function AppendDeleteReturningOperation (commandStringBuilder As StringBuilder, command As IReadOnlyModificationCommand, commandPosition As Integer, ByRef requiresTransaction As Boolean) As ResultSetMapping

Parameters

commandStringBuilder

StringBuilder

The builder to which the SQL should be appended.

command

IReadOnlyModificationCommand

The command that represents the delete operation.

commandPosition

Int32

The ordinal of this command in the batch.

requiresTransaction

Boolean

Returns whether the SQL appended must be executed in a transaction to work correctly.

Returns

ResultSetMapping

The ResultSetMapping for the command.