jellyfin/Jellyfin.Server/Migrations/Routines/AddPeopleQueryIndex.cs
2021-04-19 13:51:55 +02:00

50 lines
2.0 KiB
C#

using System;
using System.IO;
using MediaBrowser.Controller;
using Microsoft.Extensions.Logging;
using SQLitePCL.pretty;
namespace Jellyfin.Server.Migrations.Routines
{
/// <summary>
/// Migration to add table indexes to optimize the Persons query.
/// </summary>
public class AddPeopleQueryIndex : IMigrationRoutine
{
private const string DbFilename = "library.db";
private readonly ILogger<AddPeopleQueryIndex> _logger;
private readonly IServerApplicationPaths _serverApplicationPaths;
/// <summary>
/// Initializes a new instance of the <see cref="AddPeopleQueryIndex"/> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{AddPeopleQueryIndex}"/> interface.</param>
/// <param name="serverApplicationPaths">Instance of the <see cref="IServerApplicationPaths"/> interface.</param>
public AddPeopleQueryIndex(ILogger<AddPeopleQueryIndex> logger, IServerApplicationPaths serverApplicationPaths)
{
_logger = logger;
_serverApplicationPaths = serverApplicationPaths;
}
/// <inheritdoc />
public Guid Id => new Guid("DE009B59-BAAE-428D-A810-F67762DC05B8");
/// <inheritdoc />
public string Name => "AddPeopleQueryIndex";
/// <inheritdoc />
public bool PerformOnNewInstall => true;
/// <inheritdoc />
public void Perform()
{
var databasePath = Path.Join(_serverApplicationPaths.DataPath, DbFilename);
using var connection = SQLite3.Open(databasePath, ConnectionFlags.ReadWrite, null);
_logger.LogInformation("Creating index idx_TypedBaseItemsUserDataKeyType");
connection.Execute("CREATE INDEX IF NOT EXISTS idx_TypedBaseItemsUserDataKeyType ON TypedBaseItems(UserDataKey, Type);");
_logger.LogInformation("Creating index idx_PeopleNameListOrder");
connection.Execute("CREATE INDEX IF NOT EXISTS idx_PeopleNameListOrder ON People(Name, ListOrder);");
}
}
}