diff options
Diffstat (limited to 'doc/src/snippets/code/src_sql_kernel_qsqlresult.cpp')
-rw-r--r-- | doc/src/snippets/code/src_sql_kernel_qsqlresult.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_sql_kernel_qsqlresult.cpp b/doc/src/snippets/code/src_sql_kernel_qsqlresult.cpp new file mode 100644 index 0000000000..96bb9fbbae --- /dev/null +++ b/doc/src/snippets/code/src_sql_kernel_qsqlresult.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QSqlQuery q; +q.prepare("insert into test (i1, i2, s) values (?, ?, ?)"); + +QVariantList col1; +QVariantList col2; +QVariantList col3; + +col1 << 1 << 3; +col2 << 2 << 4; +col3 << "hello" << "world"; + +q.bindValue(0, col1); +q.bindValue(1, col2); +q.bindValue(2, col3); + +if (!q.execBatch()) + qDebug() << q.lastError(); +//! [0] + + +//! [1] +QSqlQuery query = ... +QVariant v = query.result()->handle(); +if (v.isValid() && qstrcmp(v.typeName(), "sqlite3_stmt*")) { + // v.data() returns a pointer to the handle + sqlite3_stmt *handle = *static_cast<sqlite3_stmt **>(v.data()); + if (handle != 0) { // check that it is not NULL + ... + } +} +//! [1] + + +//! [2] +if (v.typeName() == "PGresult*") { + PGresult *handle = *static_cast<PGresult **>(v.data()); + if (handle != 0) ... +} + +if (v.typeName() == "MYSQL_STMT*") { + MYSQL_STMT *handle = *static_cast<MYSQL_STMT **>(v.data()); + if (handle != 0) ... +} +//! [2] |