Kenneth Skovhede
7b948a2f1d
Added helper class to wrap values in a temporary table if they exceeed the maximum number of parameters.
91 lines
3.2 KiB
C#
91 lines
3.2 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Data;
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#nullable enable
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namespace Duplicati.Library.Main.Database;
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/// <summary>
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/// Wraps a transaction so it can be comitted and restarted
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/// </summary>
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internal class ReusableTransaction : IDisposable
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{
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/// <summary>
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/// The tag used for logging
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/// </summary>
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private static readonly string LOGTAG = Logging.Log.LogTagFromType(typeof(ReusableTransaction));
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/// <summary>
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/// The database to use
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/// </summary>
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private readonly LocalDatabase m_db;
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/// <summary>
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/// The current transaction
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/// </summary>
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private IDbTransaction? m_transaction;
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/// <summary>
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/// Creates a new reusable transaction
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/// </summary>
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/// <param name="db">The database to use</param>
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public ReusableTransaction(LocalDatabase db, IDbTransaction? transaction = null)
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{
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m_db = db;
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m_transaction = transaction ?? db.BeginTransaction();
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}
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/// <summary>
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/// The current transaction
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/// </summary>
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public IDbTransaction Transaction => m_transaction ?? throw new InvalidOperationException("Transaction is disposed");
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/// <summary>
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/// Commits the current transaction and optionally restarts it
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/// </summary>
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/// <param name="message">The log message to use</param>
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/// <param name="restart">True if the transaction should be restarted</param>
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public void Commit(string? message = null, bool restart = true)
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{
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if (m_transaction == null)
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throw new InvalidOperationException("Transaction is already disposed");
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if (m_transaction != null)
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{
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using (var timer = string.IsNullOrWhiteSpace(message) ? null : new Logging.Timer(LOGTAG, message, "CommitTransaction"))
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m_transaction.Commit();
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m_transaction.Dispose();
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m_transaction = null;
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}
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if (restart)
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m_transaction = m_db.BeginTransaction();
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}
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/// <inheritdoc/>
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public void Dispose()
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{
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m_transaction?.Dispose();
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m_transaction = null;
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}
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}
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