diff options
Diffstat (limited to 'src/sql/doc/snippets')
| -rw-r--r-- | src/sql/doc/snippets/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/sql/doc/snippets/code/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/sql/doc/snippets/code/doc_src_sql-driver.cpp | 32 | ||||
| -rw-r--r-- | src/sql/doc/snippets/code/doc_src_sql-driver.qdoc | 60 | ||||
| -rw-r--r-- | src/sql/doc/snippets/code/src_sql_kernel_qsqlquery.cpp | 2 | ||||
| -rw-r--r-- | src/sql/doc/snippets/sqldatabase/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/sql/doc/snippets/sqldatabase/sqldatabase.cpp | 6 | ||||
| -rw-r--r-- | src/sql/doc/snippets/sqldatabase/sqldatabase_snippet.cpp | 256 |
8 files changed, 54 insertions, 308 deletions
diff --git a/src/sql/doc/snippets/CMakeLists.txt b/src/sql/doc/snippets/CMakeLists.txt index 780ee9261d..a5c34d5688 100644 --- a/src/sql/doc/snippets/CMakeLists.txt +++ b/src/sql/doc/snippets/CMakeLists.txt @@ -1,5 +1,5 @@ # Copyright (C) 2022 The Qt Company Ltd. -# SPDX-License-Identifier: BSD-3-Clause +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #! [cmake_use] find_package(Qt6 REQUIRED COMPONENTS Sql) diff --git a/src/sql/doc/snippets/code/CMakeLists.txt b/src/sql/doc/snippets/code/CMakeLists.txt index 54ced0e56d..b6899137fe 100644 --- a/src/sql/doc/snippets/code/CMakeLists.txt +++ b/src/sql/doc/snippets/code/CMakeLists.txt @@ -1,5 +1,5 @@ # Copyright (C) 2022 The Qt Company Ltd. -# SPDX-License-Identifier: BSD-3-Clause +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause add_library(code_snippets OBJECT doc_src_sql-driver.cpp diff --git a/src/sql/doc/snippets/code/doc_src_sql-driver.cpp b/src/sql/doc/snippets/code/doc_src_sql-driver.cpp index 57de1fb5c1..efcb45c98e 100644 --- a/src/sql/doc/snippets/code/doc_src_sql-driver.cpp +++ b/src/sql/doc/snippets/code/doc_src_sql-driver.cpp @@ -35,14 +35,6 @@ QSqlDatabase db; db.setHostName("MyServer"); db.setDatabaseName("C:\\test.gdb"); //! [24] - - -//! [25] -// connect to database using the Latin-1 character set -db.setConnectOptions("ISC_DPB_LC_CTYPE=Latin1"); -if (db.open()) - qDebug("The database connection is open."); -//! [25] } void exProc() @@ -55,10 +47,8 @@ if (q.next()) //! [26] qDebug( \ -//! [31] "QSqlDatabase: QMYSQL driver not loaded \ QSqlDatabase: available drivers: QMYSQL" \ -//! [31] ); /* Commented because the following line is not compilable @@ -88,17 +78,15 @@ while (query1.next()) { //! [37] } - -void setConnString() +void callOutProc() { -//! [39] -QSqlDatabase db = QSqlDatabase::addDatabase("QODBC"); -QString connectString = QStringLiteral( - "DRIVER=/path/to/installation/libodbcHDB.so;" - "SERVERNODE=hostname:port;" - "UID=USER;" - "PWD=PASSWORD;" - "SCROLLABLERESULT=true"); -db.setDatabaseName(connectString); -//! [39] +//! [40] + QSqlDatabase db; + QSqlQuery query; + int i1 = 10, i2 = 0; + query.prepare("call qtestproc(?, ?)"); + query.bindValue(0, i1, QSql::InOut); + query.bindValue(1, i2, QSql::Out); + query.exec(); +//! [40] } diff --git a/src/sql/doc/snippets/code/doc_src_sql-driver.qdoc b/src/sql/doc/snippets/code/doc_src_sql-driver.qdoc index 950ea87c37..896839a1d9 100644 --- a/src/sql/doc/snippets/code/doc_src_sql-driver.qdoc +++ b/src/sql/doc/snippets/code/doc_src_sql-driver.qdoc @@ -1,5 +1,5 @@ // Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only //! [0] [...] @@ -27,8 +27,7 @@ END //! [3] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DMySQL_INCLUDE_DIR="/usr/local/mysql/include" -DMySQL_LIBRARY="/usr/local/mysql/lib/libmysqlclient.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DMySQL_INCLUDE_DIR="/usr/local/mysql/include" -DMySQL_LIBRARY="/usr/local/mysql/lib/libmysqlclient.<so|dylib>" cmake --build . cmake --install . //! [3] @@ -37,7 +36,6 @@ cmake --install . //! [5] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DMySQL_INCLUDE_DIR="C:\mysql-8.0.22-winx64\include" -DMySQL_LIBRARY="C:\mysql-8.0.22-winx64\lib\libmysql.lib" cmake --build . cmake --install . @@ -47,8 +45,7 @@ cmake --install . //! [7] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DOracle_INCLUDE_DIR="/usr/include/oracle/21/client64" -DOracle_LIBRARY="/usr/lib/oracle/21/client64/lib/libclntsh.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DOracle_INCLUDE_DIR="/usr/include/oracle/21/client64" -DOracle_LIBRARY="/usr/lib/oracle/21/client64/lib/libclntsh.<so|dylib>" cmake --build . cmake --install . //! [7] @@ -71,8 +68,7 @@ set PATH=%PATH%;C:\oracle //! [11] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DODBC_INCLUDE_DIR="/usr/local/unixODBC/include" -DODBC_LIBRARY="/usr/local/unixODBC/lib/libodbc.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DODBC_INCLUDE_DIR="/usr/local/unixODBC/include" -DODBC_LIBRARY="/usr/local/unixODBC/lib/libodbc.<so|dylib>" cmake --build . cmake --install . //! [11] @@ -81,7 +77,6 @@ cmake --install . //! [12] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> cmake --build . cmake --install . @@ -92,7 +87,7 @@ cmake --install . mkdir build-psql-driver cd build-psql-driver -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers-DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DCMAKE_INCLUDE_PATH="/usr/local/pgsql/include" -DCMAKE_LIBRARY_PATH="/usr/local/pgsql/lib" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers-DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DCMAKE_INCLUDE_PATH="/usr/local/pgsql/include" -DCMAKE_LIBRARY_PATH="/usr/local/pgsql/lib" cmake --build . cmake --install . //! [13] @@ -101,7 +96,6 @@ cmake --install . //! [15] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DCMAKE_INCLUDE_PATH="C:\pgsql\include" -DCMAKE_LIBRARY_PATH="C:\pgsql\lib" cmake --build . cmake --install . @@ -111,8 +105,7 @@ cmake --install . //! [18] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DDB2_INCLUDE_DIR="/usr/local/db2/include" -DDB2_LIBRARY="/usr/local/db2/lib/libdb2.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DDB2_INCLUDE_DIR="/usr/local/db2/include" -DDB2_LIBRARY="/usr/local/db2/lib/libdb2.<so|dylib>" cmake --build . cmake --install . //! [18] @@ -121,7 +114,6 @@ cmake --install . //! [20] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DDB2_INCLUDE_DIR="C:\db2\include" -DDB2_LIBRARY="C:\db2\lib\db2.lib" cmake --build . cmake --install . @@ -131,8 +123,7 @@ cmake --install . //! [21] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DFEATURE_system_sqlite=ON -DCMAKE_INCLUDE_PATH="$SQLITE/include" -DCMAKE_LIBRARY_PATH="$SQLITE/lib" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DFEATURE_system_sqlite=ON -DCMAKE_INCLUDE_PATH="$SQLITE/include" -DCMAKE_LIBRARY_PATH="$SQLITE/lib" cmake --build . cmake --install . //! [21] @@ -141,7 +132,6 @@ cmake --install . //! [23] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DFEATURE_system_sqlite=ON -DCMAKE_INCLUDE_PATH="C:\SQLITE\include" -DCMAKE_LIBRARY_PATH="C:\SQLITE\lib" cmake --build . cmake --install . @@ -151,8 +141,7 @@ cmake --install . //! [27] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DInterbase_INCLUDE_DIR="/opt/interbase/include" -DInterbase_LIBRARY="/opt/interbase/lib/libgds.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DInterbase_INCLUDE_DIR="/opt/interbase/include" -DInterbase_LIBRARY="/opt/interbase/lib/libgds.<so|dylib>" cmake --build . cmake --install . //! [27] @@ -161,8 +150,7 @@ cmake --install . //! [28] mkdir build-sqldrivers cd build-sqldrivers - -qt-cmake -G Ninja <qt_installation_path>/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DInterbase_INCLUDE_DIR="/opt/interbase/include" -DInterbase_LIBRARY="/opt/interbase/lib/libfbclient.<so|dylib>" +qt-cmake -G Ninja <qt_source_directory>/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>/<platform> -DInterbase_INCLUDE_DIR="/opt/interbase/include" -DInterbase_LIBRARY="/opt/interbase/lib/libfbclient.<so|dylib>" cmake --build . cmake --install . //! [28] @@ -171,7 +159,6 @@ cmake --install . //! [29] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DInterbase_INCLUDE_DIR="C:\interbase\include" -DInterbase_LIBRARY="C:\interbase\gds.lib" cmake --build . cmake --install . @@ -181,12 +168,28 @@ cmake --install . //! [30] mkdir build-sqldrivers cd build-sqldrivers - qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DInterbase_INCLUDE_DIR="C:\interbase\include" -DInterbase_LIBRARY="C:\interbase\lib\fbclient_ms.lib" cmake --build . cmake --install . //! [30] +//! [31] +mkdir build-sqldrivers +cd build-sqldrivers + +qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DMimer_INCLUDE_DIR="/usr/include" -DMimer_LIBRARIES="/usr/lib/libmimer.so" +cmake --build . +cmake --install . +//! [31] + +//! [32] +mkdir build-sqldrivers +cd build-sqldrivers + +qt-cmake -G Ninja <qt_installation_path>\Src\qtbase\src\plugins\sqldrivers -DCMAKE_INSTALL_PREFIX=<qt_installation_path>\<platform> -DMimer_INCLUDE_DIR="C:\Program Files\Mimer SQL Experience 11.0\dev\include" -DMimer_LIBRARIES="C:\Program Files\Mimer SQL Experience 11.0\dev\lib\amd64\mimapi64.lib|C:\Program Files\Mimer SQL Experience 11.0\dev\lib\x86\mimapi32.lib" +cmake --build . +cmake --install . +//! [32] //! [35] QSqlDatabase: QPSQL driver not loaded @@ -219,6 +222,7 @@ Configure summary: Qt Sql Drivers: DB2 (IBM) .............................. no InterBase .............................. no + Mimer SQL .............................. yes MySql .................................. yes OCI (Oracle) ........................... no ODBC ................................... yes @@ -239,6 +243,7 @@ Configure summary: Qt Sql Drivers: DB2 (IBM) .............................. no InterBase .............................. no + Mimer SQL .............................. yes MySql .................................. yes OCI (Oracle) ........................... no ODBC ................................... yes @@ -256,6 +261,7 @@ Configure summary: Qt Sql Drivers: DB2 (IBM) .............................. no InterBase .............................. no + Mimer SQL .............................. yes MySql .................................. yes OCI (Oracle) ........................... no ODBC ................................... yes @@ -264,3 +270,11 @@ Qt Sql Drivers: Using system provided SQLite ......... no ... //! [43] + +//! [44] +create procedure inout_proc (INOUT param1 INT, OUT param2 INT) +BEGIN + set param1 = param1 * 2; + set param2 = param1 * param1; +END +//! [44] diff --git a/src/sql/doc/snippets/code/src_sql_kernel_qsqlquery.cpp b/src/sql/doc/snippets/code/src_sql_kernel_qsqlquery.cpp index af289543c1..b62d5065ce 100644 --- a/src/sql/doc/snippets/code/src_sql_kernel_qsqlquery.cpp +++ b/src/sql/doc/snippets/code/src_sql_kernel_qsqlquery.cpp @@ -26,7 +26,7 @@ ints << 1 << 2 << 3 << 4; q.addBindValue(ints); QVariantList names; -names << "Harald" << "Boris" << "Trond" << QVariant(QMetaType::QString); +names << "Harald" << "Boris" << "Trond" << QVariant(QMetaType::fromType<QString>()); q.addBindValue(names); if (!q.execBatch()) diff --git a/src/sql/doc/snippets/sqldatabase/CMakeLists.txt b/src/sql/doc/snippets/sqldatabase/CMakeLists.txt index 2028cdac1d..5179c694d0 100644 --- a/src/sql/doc/snippets/sqldatabase/CMakeLists.txt +++ b/src/sql/doc/snippets/sqldatabase/CMakeLists.txt @@ -1,5 +1,5 @@ # Copyright (C) 2022 The Qt Company Ltd. -# SPDX-License-Identifier: BSD-3-Clause +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause add_library(sqldatabase_snippets OBJECT sqldatabase.cpp diff --git a/src/sql/doc/snippets/sqldatabase/sqldatabase.cpp b/src/sql/doc/snippets/sqldatabase/sqldatabase.cpp index 933124e74d..5702116365 100644 --- a/src/sql/doc/snippets/sqldatabase/sqldatabase.cpp +++ b/src/sql/doc/snippets/sqldatabase/sqldatabase.cpp @@ -156,9 +156,9 @@ void QSqlQuery_snippets() { // examine with named or positional binding //! [14] - QVariantList list = query.boundValues(); - for (int i = 0; i < list.size(); ++i) - cout << i << ": " << list.at(i).toString().toUtf8().data() << "\n"; + const QVariantList list = query.boundValues(); + for (qsizetype i = 0; i < list.size(); ++i) + qDebug() << i << ":" << list.at(i).toString(); //! [14] } } diff --git a/src/sql/doc/snippets/sqldatabase/sqldatabase_snippet.cpp b/src/sql/doc/snippets/sqldatabase/sqldatabase_snippet.cpp index e81436a247..48382bfee9 100644 --- a/src/sql/doc/snippets/sqldatabase/sqldatabase_snippet.cpp +++ b/src/sql/doc/snippets/sqldatabase/sqldatabase_snippet.cpp @@ -17,17 +17,13 @@ //! [20] } -//! [21] QSqlQueryModel model; model.setQuery("SELECT name, salary FROM employee"); int salary = model.record(4).value("salary").toInt(); -//! [21] Q_UNUSED(salary); { -//! [22] int salary = model.data(model.index(4, 1)).toInt(); -//! [22] Q_UNUSED(salary); } @@ -47,7 +43,6 @@ public: int m_specialColumnNo; }; -//! [23] QVariant MyModel::data(const QModelIndex &item, int role) const { if (item.column() == m_specialColumnNo) { @@ -55,7 +50,6 @@ QVariant MyModel::data(const QModelIndex &item, int role) const } return QSqlQueryModel::data(item, role); } -//! [23] void QSqlTableModel_snippets() { @@ -72,258 +66,8 @@ void QSqlTableModel_snippets() view->hideColumn(0); // don't show the ID view->show(); //! [24] - - { -//! [25] - QSqlTableModel model; - model.setTable("employee"); - model.select(); - int salary = model.record(4).value("salary").toInt(); -//! [25] - } -} - -void sql_intro_snippets() -{ - { -//! [26] - QSqlDatabase db = QSqlDatabase::addDatabase("QMYSQL"); - db.setHostName("bigblue"); - db.setDatabaseName("flightdb"); - db.setUserName("acarlson"); - db.setPassword("1uTbSbAs"); - bool ok = db.open(); -//! [26] - Q_UNUSED(ok); - } - - { -//! [27] - QSqlDatabase firstDB = QSqlDatabase::addDatabase("QMYSQL", "first"); - QSqlDatabase secondDB = QSqlDatabase::addDatabase("QMYSQL", "second"); -//! [27] - } - - { -//! [28] - QSqlDatabase defaultDB = QSqlDatabase::database(); -//! [28] //! [29] - QSqlDatabase firstDB = QSqlDatabase::database("first"); -//! [29] //! [30] - QSqlDatabase secondDB = QSqlDatabase::database("second"); -//! [30] - } - - { - // SELECT1 -//! [31] - QSqlQuery query; - query.exec("SELECT name, salary FROM employee WHERE salary > 50000"); -//! [31] - -//! [32] - while (query.next()) { - QString name = query.value(0).toString(); - int salary = query.value(1).toInt(); - qDebug() << name << salary; - } -//! [32] - } - - { - // FEATURE -//! [33] - QSqlQuery query; - int numRows; - query.exec("SELECT name, salary FROM employee WHERE salary > 50000"); - - QSqlDatabase defaultDB = QSqlDatabase::database(); - if (defaultDB.driver()->hasFeature(QSqlDriver::QuerySize)) { - numRows = query.size(); - } else { - // this can be very slow - query.last(); - numRows = query.at() + 1; - } -//! [33] - } - - { - // INSERT1 -//! [34] - QSqlQuery query; - query.exec("INSERT INTO employee (id, name, salary) " - "VALUES (1001, 'Thad Beaumont', 65000)"); -//! [34] - } - - { - // NAMED BINDING -//! [35] - QSqlQuery query; - query.prepare("INSERT INTO employee (id, name, salary) " - "VALUES (:id, :name, :salary)"); - query.bindValue(":id", 1001); - query.bindValue(":name", "Thad Beaumont"); - query.bindValue(":salary", 65000); - query.exec(); -//! [35] - } - - { - // POSITIONAL BINDING -//! [36] - QSqlQuery query; - query.prepare("INSERT INTO employee (id, name, salary) " - "VALUES (?, ?, ?)"); - query.addBindValue(1001); - query.addBindValue("Thad Beaumont"); - query.addBindValue(65000); - query.exec(); -//! [36] - } - - { - // UPDATE1 -//! [37] - QSqlQuery query; - query.exec("UPDATE employee SET salary = 70000 WHERE id = 1003"); -//! [37] - } - - { - // DELETE1 -//! [38] - QSqlQuery query; - query.exec("DELETE FROM employee WHERE id = 1007"); -//! [38] - } - - { - // TRANSACTION -//! [39] - QSqlDatabase::database().transaction(); - QSqlQuery query; - query.exec("SELECT id FROM employee WHERE name = 'Torild Halvorsen'"); - if (query.next()) { - int employeeId = query.value(0).toInt(); - query.exec("INSERT INTO project (id, name, ownerid) " - "VALUES (201, 'Manhattan Project', " - + QString::number(employeeId) + ')'); - } - QSqlDatabase::database().commit(); -//! [39] - } - - { - // SQLQUERYMODEL1 -//! [40] - QSqlQueryModel model; - model.setQuery("SELECT * FROM employee"); - - for (int i = 0; i < model.rowCount(); ++i) { - int id = model.record(i).value("id").toInt(); - QString name = model.record(i).value("name").toString(); - qDebug() << id << name; - } -//! [40] - } - - { - // SQLTABLEMODEL1 -//! [41] - QSqlTableModel model; - model.setTable("employee"); - model.setFilter("salary > 50000"); - model.setSort(2, Qt::DescendingOrder); - model.select(); - - for (int i = 0; i < model.rowCount(); ++i) { - QString name = model.record(i).value("name").toString(); - int salary = model.record(i).value("salary").toInt(); - qDebug() << name << salary; - } -//! [41] - } - - { - // SQLTABLEMODEL2 - QSqlTableModel model; - model.setTable("employee"); - -//! [42] - for (int i = 0; i < model.rowCount(); ++i) { - QSqlRecord record = model.record(i); - double salary = record.value("salary").toInt(); - salary *= 1.1; - record.setValue("salary", salary); - model.setRecord(i, record); - } - model.submitAll(); -//! [42] - - // SQLTABLEMODEL3 - int row = 1; - int column = 2; -//! [43] - model.setData(model.index(row, column), 75000); - model.submitAll(); -//! [43] - - // SQLTABLEMODEL4 -//! [44] - model.insertRows(row, 1); - model.setData(model.index(row, 0), 1013); - model.setData(model.index(row, 1), "Peter Gordon"); - model.setData(model.index(row, 2), 68500); - model.submitAll(); -//! [44] - -//! [45] - model.removeRows(row, 5); -//! [45] //! [46] - model.submitAll(); -//! [46] - } } -//! [47] -class XyzResult : public QSqlResult -{ -public: - XyzResult(const QSqlDriver *driver) - : QSqlResult(driver) {} - ~XyzResult() {} - -protected: - QVariant data(int /* index */) override { return QVariant(); } - bool isNull(int /* index */) override { return false; } - bool reset(const QString & /* query */) override { return false; } - bool fetch(int /* index */) override { return false; } - bool fetchFirst() override { return false; } - bool fetchLast() override { return false; } - int size() override { return 0; } - int numRowsAffected() override { return 0; } - QSqlRecord record() const override { return QSqlRecord(); } -}; -//! [47] - -//! [48] -class XyzDriver : public QSqlDriver -{ -public: - XyzDriver() {} - ~XyzDriver() {} - - bool hasFeature(DriverFeature /* feature */) const override { return false; } - bool open(const QString & /* db */, const QString & /* user */, - const QString & /* password */, const QString & /* host */, - int /* port */, const QString & /* options */) override - { return false; } - void close() {} - QSqlResult *createResult() const override { return new XyzResult(this); } -}; -//! [48] int main(int argc, char **argv) { |