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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /offapi/com/sun/star/sdbc/TransactionIsolation.idl
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef __com_sun_star_sdbc_TransactionIsolation_idl__
+#define __com_sun_star_sdbc_TransactionIsolation_idl__
+
+ module com { module sun { module star { module sdbc {
+
+
+/** distinguishes different possible transaction isolation levels.
+ */
+published constants TransactionIsolation
+{
+
+ /** indicates that transactions are not supported.
+ */
+ const long NONE = 0;
+
+ /** Dirty reads, non-repeatable reads and phantom reads can occur.
+ This level allows a row changed by one transaction to be read
+ by another transaction before any changes in that row have been
+ committed (a "dirty read"). If any of the changes are rolled back,
+ the second transaction will have retrieved an invalid row.
+ */
+ const long READ_UNCOMMITTED = 1;
+
+ /** Dirty reads are prevented; non-repeatable reads and phantom
+ reads can occur. This level only prohibits a transaction
+ from reading a row with uncommitted changes in it.
+ */
+ const long READ_COMMITTED = 2;
+
+ /** Dirty reads and non-repeatable reads are prevented; phantom
+ reads can occur. This level prohibits a transaction from
+ reading a row with uncommitted changes in it, and it also
+ prohibits the situation where one transaction reads a row,
+ a second transaction alters the row, and the first transaction
+ rereads the row, getting different values the second time
+ (a "non-repeatable read").
+ */
+ const long REPEATABLE_READ = 4;
+
+ /** Dirty reads, non-repeatable reads and phantom reads are prevented.
+ This level includes the prohibitions in
+ <code>REPEATABLE_READ</code>
+ and further prohibits the
+ situation where one transaction reads all rows that satisfy
+ a WHERE condition, a second transaction inserts a row that
+ satisfies that WHERE condition, and the first transaction
+ rereads for the same condition, retrieving the additional
+ "phantom" row in the second read.
+ */
+ const long SERIALIZABLE = 8;
+};
+
+
+}; }; }; };
+
+/*===========================================================================
+===========================================================================*/
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */