1 files changed, 65 insertions, 0 deletions
diff --git a/3rdparty/sqlitecpp/source/SQLiteCpp/Savepoint.cpp b/3rdparty/sqlitecpp/source/SQLiteCpp/Savepoint.cpp
new file mode 100644
index 0000000..b3d13a2
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+++ b/3rdparty/sqlitecpp/source/SQLiteCpp/Savepoint.cpp
@@ -0,0 +1,65 @@
+/**
+ * @file    Savepoint.cpp
+ * @ingroup SQLiteCpp
+ * @brief   A Savepoint is a way to group multiple SQL statements into an atomic
+ * secured operation. Similar to a transaction while allowing child savepoints.
+ *
+ * Copyright (c) 2020 Kelvin Hammond ([email protected])
+ *
+ * Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt or
+ * copy at http://opensource.org/licenses/MIT)
+ */
+
+#include <SQLiteCpp/Assertion.h>
+#include <SQLiteCpp/Database.h>
+#include <SQLiteCpp/Savepoint.h>
+#include <SQLiteCpp/Statement.h>
+
+namespace SQLite {
+
+// Begins the SQLite savepoint
+Savepoint::Savepoint(Database& aDatabase, std::string aName)
+    : mDatabase(aDatabase), msName(aName), mbReleased(false) {
+    // workaround because you cannot bind to SAVEPOINT
+    // escape name for use in query
+    Statement stmt(mDatabase, "SELECT quote(?)");
+    stmt.bind(1, msName);
+    stmt.executeStep();
+    msName = stmt.getColumn(0).getText();
+
+    mDatabase.exec(std::string("SAVEPOINT ") + msName);
+}
+
+// Safely rollback the savepoint if it has not been committed.
+Savepoint::~Savepoint() {
+    if (!mbReleased) {
+        try {
+            rollback();
+        } catch (SQLite::Exception&) {
+            // Never throw an exception in a destructor: error if already rolled
+            // back or released, but no harm is caused by this.
+        }
+    }
+}
+
+// Release the savepoint and commit
+void Savepoint::release() {
+    if (!mbReleased) {
+        mDatabase.exec(std::string("RELEASE SAVEPOINT ") + msName);
+        mbReleased = true;
+    } else {
+        throw SQLite::Exception("Savepoint already released or rolled back.");
+    }
+}
+
+// Rollback the savepoint
+void Savepoint::rollback() {
+    if (!mbReleased) {
+        mDatabase.exec(std::string("ROLLBACK TO SAVEPOINT ") + msName);
+        mbReleased = true;
+    } else {
+        throw SQLite::Exception("Savepoint already released or rolled back.");
+    }
+}
+
+}  // namespace SQLite