20190219042440_MYFixRevInfoIndex.cs

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using System;
 
using Microsoft.EntityFrameworkCore.Migrations;
 
namespace Tgstation.Server.Host.Database.Migrations
{
    public partial class MYFixRevInfoIndex : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            ArgumentNullException.ThrowIfNull(migrationBuilder);
 
            migrationBuilder.DropForeignKey(
                name: "FK_RevisionInformations_Instances_InstanceId",
                table: "RevisionInformations");
 
            migrationBuilder.DropIndex(
                name: "IX_RevisionInformations_CommitSha",
                table: "RevisionInformations");
 
            migrationBuilder.DropIndex(
                name: "IX_RevisionInformations_InstanceId",
                table: "RevisionInformations");
 
            migrationBuilder.CreateIndex(
                name: "IX_RevisionInformations_InstanceId_CommitSha",
                table: "RevisionInformations",
                columns: new[] { "InstanceId", "CommitSha" },
                unique: true);
 
            migrationBuilder.AddForeignKey(
                name: "FK_RevisionInformations_Instances_InstanceId",
                table: "RevisionInformations",
                column: "InstanceId",
                principalTable: "Instances",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);
        }
 
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            ArgumentNullException.ThrowIfNull(migrationBuilder);
 
            migrationBuilder.DropForeignKey(
                name: "FK_RevisionInformations_Instances_InstanceId",
                table: "RevisionInformations");
 
            migrationBuilder.DropIndex(
                name: "IX_RevisionInformations_InstanceId_CommitSha",
                table: "RevisionInformations");
 
            migrationBuilder.CreateIndex(
                name: "IX_RevisionInformations_CommitSha",
                table: "RevisionInformations",
                column: "CommitSha",
                unique: true);
 
            migrationBuilder.CreateIndex(
                name: "IX_RevisionInformations_InstanceId",
                table: "RevisionInformations",
                column: "InstanceId");
 
            migrationBuilder.AddForeignKey(
                name: "FK_RevisionInformations_Instances_InstanceId",
                table: "RevisionInformations",
                column: "InstanceId",
                principalTable: "Instances",
                principalColumn: "Id",
                onDelete: ReferentialAction.Cascade);
        }
    }
}