osu/osu.Game/Migrations/20190525060824_SkinSettings.cs

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using Microsoft.EntityFrameworkCore.Migrations;
namespace osu.Game.Migrations
{
public partial class SkinSettings : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
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migrationBuilder.Sql(@"create table Settings_dg_tmp
(
ID INTEGER not null
constraint PK_Settings
primary key autoincrement,
Key TEXT not null,
RulesetID INTEGER,
Value TEXT,
Variant INTEGER,
SkinInfoID int
constraint Settings_SkinInfo_ID_fk
references SkinInfo
on delete restrict
);
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insert into Settings_dg_tmp(ID, Key, RulesetID, Value, Variant) select ID, Key, RulesetID, Value, Variant from Settings;
drop table Settings;
alter table Settings_dg_tmp rename to Settings;
create index IX_Settings_RulesetID_Variant
on Settings (RulesetID, Variant);
create index Settings_SkinInfoID_index
on Settings (SkinInfoID);
");
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropForeignKey(
name: "FK_Settings_SkinInfo_SkinInfoID",
table: "Settings");
migrationBuilder.DropIndex(
name: "IX_Settings_SkinInfoID",
table: "Settings");
migrationBuilder.DropColumn(
name: "SkinInfoID",
table: "Settings");
}
}
}