Doc: make Qt Sql snippets compilable

Task-number: QTBUG-81496
Change-Id: Id6206e9179c2e8157c99e777a3de35bd83d49e34
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 69 insertions, 0 deletions

diff --git a/src/sql/doc/snippets/code/src_sql_kernel_qsqldatabase_snippet.cpp b/src/sql/doc/snippets/code/src_sql_kernel_qsqldatabase_snippet.cpp
new file mode 100644
index 0000000000..a53880fee1
--- /dev/null
+++ b/src/sql/doc/snippets/code/src_sql_kernel_qsqldatabase_snippet.cpp
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
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+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [2]
+QSqlDatabase::registerSqlDriver("MYDRIVER", new QSqlDriverCreator<QSqlDriver>);
+QVERIFY(QSqlDatabase::drivers().contains("MYDRIVER"));
+QSqlDatabase db = QSqlDatabase::addDatabase("MYDRIVER");
+QVERIFY(db.isValid());
+//! [2]
+//! [6]
+PGconn *con = PQconnectdb("host=server user=bart password=simpson dbname=springfield");
+QPSQLDriver *drv = new QPSQLDriver(con);
+QSqlDatabase db = QSqlDatabase::addDatabase(drv); // becomes the new default connection
+QSqlQuery query;
+query.exec("SELECT NAME, ID FROM STAFF");
+//! [6]
+
+//! [7]
+unix:LIBS += -lpq
+win32:LIBS += libpqdll.lib
+//! [7]
+