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calculate similarity at database level

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This commit is contained in:
Luke Pulverenti
2016-06-01 01:50:00 -04:00
parent 0915d1f383
commit e1f562e16f
13 changed files with 411 additions and 257 deletions
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5
MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
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@@ -97,6 +97,9 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\MediaBrowser.Server.Implementations\Persistence\SqliteExtensions.cs">
<Link>Native\SqliteExtensions.cs</Link>
</Compile>
<Compile Include="..\SharedVersion.cs">
<Link>Properties\SharedVersion.cs</Link>
</Compile>
@@ -114,7 +117,7 @@
</Compile>
<Compile Include="MainStartup.cs" />
<Compile Include="Native\LnkShortcutHandler.cs" />
<Compile Include="Native\SqliteExtensions.cs" />
<Compile Include="Native\DbConnector.cs" />
<Compile Include="Native\Standby.cs" />
<Compile Include="Native\ServerAuthorization.cs" />
<Compile Include="Native\WindowsApp.cs" />

38
MediaBrowser.ServerApplication/Native/DbConnector.cs Normal file
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@@ -0,0 +1,38 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.ServerApplication.Native
{
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public void BindSimilarityScoreFunction(IDbConnection connection)
{
SqliteExtensions.BindGetSimilarityScore(connection, _logger);
}
public async Task<IDbConnection> Connect(string dbPath)
{
try
{
return await SqliteExtensions.ConnectToDb(dbPath, _logger).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error opening database {0}", ex, dbPath);
throw;
}
}
}
}

71
MediaBrowser.ServerApplication/Native/SqliteExtensions.cs
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@@ -1,71 +0,0 @@
using System;
using System.Data;
using System.Data.SQLite;
using System.Threading.Tasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Persistence;
namespace MediaBrowser.ServerApplication.Native
{
/// <summary>
/// Class SQLiteExtensions
/// </summary>
static class SqliteExtensions
{
/// <summary>
/// Connects to db.
/// </summary>
/// <param name="dbPath">The db path.</param>
/// <param name="logger">The logger.</param>
/// <returns>Task{IDbConnection}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
{
if (string.IsNullOrEmpty(dbPath))
{
throw new ArgumentNullException("dbPath");
}
logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
var connectionstr = new SQLiteConnectionStringBuilder
{
PageSize = 4096,
CacheSize = 2000,
SyncMode = SynchronizationModes.Normal,
DataSource = dbPath,
JournalMode = SQLiteJournalModeEnum.Wal
};
var connection = new SQLiteConnection(connectionstr.ConnectionString);
await connection.OpenAsync().ConfigureAwait(false);
return connection;
}
}
public class DbConnector : IDbConnector
{
private readonly ILogger _logger;
public DbConnector(ILogger logger)
{
_logger = logger;
}
public async Task<IDbConnection> Connect(string dbPath)
{
try
{
return await SqliteExtensions.ConnectToDb(dbPath, _logger).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error opening database {0}", ex, dbPath);
throw;
}
}
}
}