limit knowledge of sqlite
This commit is contained in:
Luke Pulverenti
parent
373bdf4825
commit
cdfb009df8
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@ -5,7 +5,6 @@ using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Data;
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using System.Data.SQLite;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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@ -17,7 +16,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// </summary>
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public class SqliteDisplayPreferencesRepository : IDisplayPreferencesRepository
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{
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private SQLiteConnection _connection;
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private IDbConnection _connection;
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private readonly ILogger _logger;
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@ -124,7 +123,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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SQLiteTransaction transaction = null;
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IDbTransaction transaction = null;
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try
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{
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@ -133,14 +132,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
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cmd.AddParam("@1", displayPreferences.Id);
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cmd.AddParam("@2", userId);
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cmd.AddParam("@3", client);
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cmd.AddParam("@4", serialized);
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cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = displayPreferences.Id;
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cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
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cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client;
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cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
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cmd.Transaction = transaction;
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await cmd.ExecuteNonQueryAsync(cancellationToken);
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cmd.ExecuteNonQuery();
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}
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transaction.Commit();
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@ -194,14 +194,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
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var cmd = _connection.CreateCommand();
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cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client";
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var idParam = cmd.Parameters.Add("@id", DbType.Guid);
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idParam.Value = displayPreferencesId;
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var userIdParam = cmd.Parameters.Add("@userId", DbType.Guid);
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userIdParam.Value = userId;
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var clientParam = cmd.Parameters.Add("@client", DbType.String);
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clientParam.Value = client;
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cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = displayPreferencesId;
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cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
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cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
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{
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@ -12,40 +12,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// </summary>
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static class SqliteExtensions
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{
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/// <summary>
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/// Adds the param.
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/// </summary>
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/// <param name="cmd">The CMD.</param>
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/// <param name="param">The param.</param>
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/// <returns>SQLiteParameter.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public static SQLiteParameter AddParam(this SQLiteCommand cmd, string param)
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{
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if (string.IsNullOrEmpty(param))
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{
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throw new ArgumentNullException();
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}
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var sqliteParam = new SQLiteParameter(param);
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cmd.Parameters.Add(sqliteParam);
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return sqliteParam;
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}
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/// <summary>
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/// Adds the param.
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/// </summary>
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/// <param name="cmd">The CMD.</param>
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/// <param name="param">The param.</param>
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/// <param name="data">The data.</param>
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/// <returns>SQLiteParameter.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public static SQLiteParameter AddParam(this SQLiteCommand cmd, string param, object data)
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{
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var sqliteParam = AddParam(cmd, param);
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sqliteParam.Value = data;
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return sqliteParam;
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}
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/// <summary>
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/// Determines whether the specified conn is open.
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/// </summary>
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@ -160,7 +126,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// <param name="dbPath">The db path.</param>
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/// <returns>Task{IDbConnection}.</returns>
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/// <exception cref="System.ArgumentNullException">dbPath</exception>
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public static async Task<SQLiteConnection> ConnectToDb(string dbPath)
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public static async Task<IDbConnection> ConnectToDb(string dbPath)
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{
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if (string.IsNullOrEmpty(dbPath))
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{
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@ -7,7 +7,6 @@ using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SQLite;
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using System.IO;
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using System.Linq;
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using System.Threading;
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@ -20,12 +19,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// </summary>
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public class SqliteItemRepository : IItemRepository
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{
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private SQLiteConnection _connection;
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private IDbConnection _connection;
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private readonly ILogger _logger;
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private readonly TypeMapper _typeMapper = new TypeMapper();
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/// <summary>
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/// Gets the name of the repository
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/// </summary>
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@ -52,15 +51,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// <summary>
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/// The _save item command
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/// </summary>
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private SQLiteCommand _saveItemCommand;
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private IDbCommand _saveItemCommand;
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private readonly string _criticReviewsPath;
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private SqliteChapterRepository _chapterRepository;
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private SQLiteCommand _deleteChildrenCommand;
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private SQLiteCommand _saveChildrenCommand;
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private IDbCommand _deleteChildrenCommand;
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private IDbCommand _saveChildrenCommand;
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/// <summary>
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/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
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/// </summary>
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@ -104,7 +103,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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public async Task Initialize()
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{
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var dbFile = Path.Combine(_appPaths.DataPath, "library.db");
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_connection = await SqliteExtensions.ConnectToDb(dbFile).ConfigureAwait(false);
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string[] queries = {
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@ -136,29 +135,20 @@ namespace MediaBrowser.Server.Implementations.Persistence
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/// </summary>
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private void PrepareStatements()
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{
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_saveItemCommand = new SQLiteCommand
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{
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CommandText = "replace into TypedBaseItems (guid, type, data) values (@1, @2, @3)"
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};
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_saveItemCommand = _connection.CreateCommand();
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_saveItemCommand.CommandText = "replace into TypedBaseItems (guid, type, data) values (@1, @2, @3)";
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_saveItemCommand.Parameters.Add(_saveItemCommand, "@1");
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_saveItemCommand.Parameters.Add(_saveItemCommand, "@2");
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_saveItemCommand.Parameters.Add(_saveItemCommand, "@3");
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_saveItemCommand.Parameters.Add(new SQLiteParameter("@1"));
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_saveItemCommand.Parameters.Add(new SQLiteParameter("@2"));
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_saveItemCommand.Parameters.Add(new SQLiteParameter("@3"));
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_deleteChildrenCommand = _connection.CreateCommand();
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_deleteChildrenCommand.CommandText = "delete from ChildrenIds where ParentId=@ParentId";
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_deleteChildrenCommand.Parameters.Add(_deleteChildrenCommand, "@ParentId");
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_deleteChildrenCommand = new SQLiteCommand
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{
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CommandText = "delete from ChildrenIds where ParentId=@ParentId"
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};
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_deleteChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
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_saveChildrenCommand = new SQLiteCommand
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{
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CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)"
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};
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_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
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_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ItemId"));
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_saveChildrenCommand = _connection.CreateCommand();
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_saveChildrenCommand.CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)";
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_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ParentId");
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_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ItemId");
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}
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/// <summary>
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@ -205,7 +195,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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SQLiteTransaction transaction = null;
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IDbTransaction transaction = null;
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try
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{
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@ -215,13 +205,13 @@ namespace MediaBrowser.Server.Implementations.Persistence
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{
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cancellationToken.ThrowIfCancellationRequested();
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_saveItemCommand.Parameters[0].Value = item.Id;
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_saveItemCommand.Parameters[1].Value = item.GetType().FullName;
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_saveItemCommand.Parameters[2].Value = _jsonSerializer.SerializeToBytes(item);
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_saveItemCommand.GetParameter(0).Value = item.Id;
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_saveItemCommand.GetParameter(1).Value = item.GetType().FullName;
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_saveItemCommand.GetParameter(2).Value = _jsonSerializer.SerializeToBytes(item);
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_saveItemCommand.Transaction = transaction;
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await _saveItemCommand.ExecuteNonQueryAsync(cancellationToken);
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_saveItemCommand.ExecuteNonQuery();
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}
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transaction.Commit();
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@ -274,8 +264,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "select type,data from TypedBaseItems where guid = @guid";
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var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
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guidParam.Value = id;
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cmd.Parameters.Add(cmd, "@guid", DbType.Guid).Value = id;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
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{
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@ -446,7 +435,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
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{
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cmd.CommandText = "select ItemId from ChildrenIds where ParentId = @ParentId";
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cmd.Parameters.Add("@ParentId", DbType.Guid).Value = parentId;
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cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = parentId;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
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{
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@ -479,27 +468,28 @@ namespace MediaBrowser.Server.Implementations.Persistence
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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SQLiteTransaction transaction = null;
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IDbTransaction transaction = null;
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try
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{
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transaction = _connection.BeginTransaction();
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// First delete
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_deleteChildrenCommand.Parameters[0].Value = parentId;
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_deleteChildrenCommand.GetParameter(0).Value = parentId;
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_deleteChildrenCommand.Transaction = transaction;
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await _deleteChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
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_deleteChildrenCommand.ExecuteNonQuery();
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foreach (var id in children)
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{
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cancellationToken.ThrowIfCancellationRequested();
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_saveChildrenCommand.Parameters[0].Value = parentId;
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_saveChildrenCommand.Parameters[1].Value = id;
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_saveChildrenCommand.GetParameter(0).Value = parentId;
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_saveChildrenCommand.GetParameter(1).Value = id;
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_saveChildrenCommand.Transaction = transaction;
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await _saveChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
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_saveChildrenCommand.ExecuteNonQuery();
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}
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transaction.Commit();
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