Question
I want to write my own migration script. My migration class:
using Microsoft.EntityFrameworkCore.Migrations;
namespace Foo.Migrations
{
public class FooMigration : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
string script ="<some long script>"
migrationBuilder.Sql(script);
}
}
}
But when I run Update-Database, nothing happens...
Accepted Answer
You need to specify the DbContext which the migration belongs to and the identifier of your migration by applying attributes to your migration class as shown below:
[DbContext(typeof(MyDbContext))]
[Migration("MyCustomMigration")]
public class FooMigration : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
string script = "<some long script>";
migrationBuilder.Sql(script);
}
}
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