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+############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the examples of Qt for Python.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## 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
+## the documentation and/or other materials provided with the
+## 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."
+##
+## $QT_END_LICENSE$
+##
+############################################################################
+
+from PySide6.QtGui import *
+from PySide6.QtSql import *
+
+
+def tr(text):
+ return QApplication.translate(text, text)
+
+def QSqlDatabase_snippets():
+//! [0]
+ db = QSqlDatabase.addDatabase("QPSQL")
+ db.setHostName("acidalia")
+ db.setDatabaseName("customdb")
+ db.setUserName("mojito")
+ db.setPassword("J0a1m8")
+ ok = db.open()
+//! [0]
+
+//! [1]
+ db = QSqlDatabase.database()
+//! [1]
+
+def QSqlField_snippets():
+//! [2]
+ field = QSqlField("age", QVariant.Int)
+ field.setValue(QPixmap()) # WRONG
+//! [2]
+
+//! [3]
+ field = QSqlField("age", QVariant.Int)
+ field.setValue(str(123)) # casts str to int
+//! [3]
+
+//! [4]
+ query = QSqlQuery()
+//! [4] //! [5]
+ record = query.record()
+//! [5] //! [6]
+ field = record.field("country")
+//! [6]
+
+def doSomething(str):
+ pass
+
+def QSqlQuery_snippets():
+ # typical loop
+//! [7]
+ query = QSqlQuery("SELECT country FROM artist")
+ while query.next():
+ country = query.value(0)
+ doSomething(country)
+//! [7]
+
+
+ # field index lookup
+//! [8]
+ query = QSqlQuery("SELECT * FROM artist")
+ fieldNo = query.record().indexOf("country")
+ while query.next():
+ country = query.value(fieldNo)
+ doSomething(country)
+//! [8]
+
+ # named with named
+//! [9]
+ query = QSqlQuery()
+ query.prepare("INSERT INTO person (id, forename, surname) "
+ "VALUES (:id, :forename, :surname)")
+ query.bindValue(":id", 1001)
+ query.bindValue(":forename", "Bart")
+ query.bindValue(":surname", "Simpson")
+ query.exec_()
+//! [9]
+
+ # positional with named
+//! [10]
+ query = QSqlQuery()
+ query.prepare("INSERT INTO person (id, forename, surname) "
+ "VALUES (:id, :forename, :surname)")
+ query.bindValue(0, 1001)
+ query.bindValue(1, "Bart")
+ query.bindValue(2, "Simpson")
+ query.exec_()
+//! [10]
+
+ # positional 1
+//! [11]
+ query = QSqlQuery()
+ query.prepare("INSERT INTO person (id, forename, surname) "
+ "VALUES (?, ?, ?)")
+ query.bindValue(0, 1001)
+ query.bindValue(1, "Bart")
+ query.bindValue(2, "Simpson")
+ query.exec_()
+//! [11]
+
+ # positional 2
+//! [12]
+ query = QSqlQuery()
+ query.prepare("INSERT INTO person (id, forename, surname) "
+ "VALUES (?, ?, ?)")
+ query.addBindValue(1001)
+ query.addBindValue("Bart")
+ query.addBindValue("Simpson")
+ query.exec_()
+//! [12]
+
+ # stored
+//! [13]
+ query = QSqlQuery()
+ query.prepare("CALL AsciiToInt(?, ?)")
+ query.bindValue(0, "A")
+ query.bindValue(1, 0, QSql.Out)
+ query.exec_()
+ i = query.boundValue(1) # i is 65
+//! [13]
+
+ query = QSqlQuery()
+
+ # examine with named binding
+//! [14]
+ i = query.boundValues()
+ while i.hasNext():
+ i.next()
+ print i.key(), ": ", i.value()
+//! [14]
+
+ # examine with positional binding
+//! [15]
+ list_ = query.boundValues().values()
+ for item in list:
+ print item
+//! [15]
+
+def QSqlQueryModel_snippets():
+
+//! [16]
+ model = QSqlQueryModel()
+ model.setQuery("SELECT name, salary FROM employee")
+ model.setHeaderData(0, Qt.Horizontal, tr("Name"))
+ model.setHeaderData(1, Qt.Horizontal, tr("Salary"))
+
+//! [17]
+ view = QTableView()
+//! [17] //! [18]
+ view.setModel(model)
+//! [18] //! [19]
+ view.show()
+//! [16] //! [19] //! [20]
+ view.setEditTriggers(QAbstractItemView.NoEditTriggers)
+//! [20]
+
+//! [21]
+ model = QSqlQueryModel()
+ model.setQuery("SELECT * FROM employee")
+ salary = model.record(4).value("salary")
+//! [21]
+
+//! [22]
+ salary = model.data(model.index(4, 2))
+//! [22]
+
+ for row in range(model.rowCount()):
+ for (col in range(model.columnCount())):
+ print model.data(model.index(row, col))
+
+
+class MyModel(QSqlQueryModel)
+ m_specialColumnNo = 0
+ def data(item, role):
+//! [23]
+ if item.column() == self.m_specialColumnNo:
+ # handle column separately
+ pass
+
+ return QSqlQueryModel.data(item, role)
+
+//! [23]
+
+
+def QSqlTableModel_snippets():
+
+//! [24]
+ model = QSqlTableModel()
+ model.setTable("employee")
+ model.setEditStrategy(QSqlTableModel.OnManualSubmit)
+ model.select()
+ model.removeColumn(0) # don't show the ID
+ model.setHeaderData(0, Qt.Horizontal, tr("Name"))
+ model.setHeaderData(1, Qt.Horizontal, tr("Salary"))
+
+ view = QTableView()
+ view.setModel(model)
+ view.show()
+//! [24]
+
+
+//! [25]
+ model = QSqlTableModel()
+ model.setTable("employee")
+ name = model.record(4).value("name")
+//! [25]
+
+def sql_intro_snippets():
+
+//! [26]
+ db = QSqlDatabase.addDatabase("QMYSQL")
+ db.setHostName("bigblue")
+ db.setDatabaseName("flightdb")
+ db.setUserName("acarlson")
+ db.setPassword("1uTbSbAs")
+ ok = db.open()
+//! [26]
+
+//! [27]
+ firstDB = QSqlDatabase.addDatabase("QMYSQL", "first")
+ secondDB = QSqlDatabase.addDatabase("QMYSQL", "second")
+//! [27]
+
+//! [28]
+ defaultDB = QSqlDatabase.database()
+//! [28] //! [29]
+ firstDB = QSqlDatabase.database("first")
+//! [29] //! [30]
+ secondDB = QSqlDatabase.database("second")
+//! [30]
+
+ # SELECT1
+//! [31]
+ query = QSqlQuery()
+ query.exec_("SELECT name, salary FROM employee WHERE salary > 50000")
+//! [31]
+
+//! [32]
+ while query.next():
+ name = query.value(0)
+ salary = query.value(1)
+ print name, salary
+//! [32]
+
+ # FEATURE
+//! [33]
+ query = QSqlQuery()
+ query.exec_("SELECT name, salary FROM employee WHERE salary > 50000")
+
+ defaultDB = QSqlDatabase.database()
+ if defaultDB.driver().hasFeature(QSqlDriver.QuerySize):
+ numRows = query.size()
+ else:
+ # self can be very slow
+ query.last()
+ numRows = query.at() + 1
+//! [33]
+
+ # INSERT1
+//! [34]
+ query = QSqlQuery()
+ query.exec_("INSERT INTO employee (id, name, salary) "
+ "VALUES (1001, 'Thad Beaumont', 65000)")
+//! [34]
+
+ # NAMED BINDING
+//! [35]
+ query = QSqlQuery()
+ 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]
+ query = QSqlQuery()
+ query.prepare("INSERT INTO employee (id, name, salary) "
+ "VALUES (?, ?, ?)")
+ query.addBindValue(1001)
+ query.addBindValue("Thad Beaumont")
+ query.addBindValue(65000)
+ query.exec_()
+//! [36]
+
+ # UPDATE1
+//! [37]
+ query = QSqlQuery()
+ query.exec_("UPDATE employee SET salary = 70000 WHERE id = 1003")
+//! [37]
+
+ # DELETE1
+//! [38]
+ query = QSqlQuery()
+ query.exec_("DELETE FROM employee WHERE id = 1007")
+//! [38]
+
+ # TRANSACTION
+//! [39]
+ QSqlDatabase.database().transaction()
+ query = QSqlQuery()
+ query.exec_("SELECT id FROM employee WHERE name = 'Torild Halvorsen'")
+ if query.next():
+ employeeId = query.value(0)
+ query.exec_("INSERT INTO project (id, name, ownerid) "
+ "VALUES (201, 'Manhattan Project', "
+ + str(employeeId) + ')')
+
+ QSqlDatabase.database().commit()
+//! [39]
+
+ # SQLQUERYMODEL1
+//! [40]
+ model = QSqlQueryModel()
+ model.setQuery("SELECT * FROM employee")
+
+ for i in range(model.rowCount()):
+ _id = model.record(i).value("id")
+ name = model.record(i).value("name")
+ print _id, name
+
+//! [40]
+ }
+
+ {
+ # SQLTABLEMODEL1
+//! [41]
+ model = QSqlTableModel()
+ model.setTable("employee")
+ model.setFilter("salary > 50000")
+ model.setSort(2, Qt.DescendingOrder)
+ model.select()
+
+ for i in range(model.rowCount()):
+ name = model.record(i).value("name")
+ salary = model.record(i).value("salary")
+ print "%s: %d" % (name, salary)
+
+//! [41]
+
+ # SQLTABLEMODEL2
+ model = QSqlTableModel()
+ model.setTable("employee")
+
+//! [42]
+ for i in range(model.rowCount()):
+ record = model.record(i)
+ salary = record.value("salary")
+ salary *= 1.1
+ record.setValue("salary", salary)
+ model.setRecord(i, record)
+
+ model.submitAll()
+//! [42]
+
+ # SQLTABLEMODEL3
+ row = 1
+ 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(QSqlResult):
+ def __init__(driver):
+ QSqlResult.__init__(self, driver)
+ pass
+
+ def data(self, index):
+ return QVariant()
+
+ def isNull(self, index):
+ return False
+
+ def reset(self, query):
+ return False
+
+ def fetch(self, index):
+ return False
+
+ def fetchFirst(self):
+ return False
+
+ def fetchLast(self):
+ return False
+
+ def size(self):
+ return 0
+
+ def numRowsAffected(self):
+ return 0
+
+ def record(self):
+ return QSqlRecord()
+
+//! [47]
+
+//! [48]
+class XyzDriver(QSqlDriver)
+ def hasFeature(self, feature):
+ return False
+
+ def open(self, db, user, password, host, port, options):
+ return False
+
+ def close(self):
+ pass
+
+ def createResult(self):
+ return XyzResult(self)
+
+//! [48]
+
+def main():
+ app = QApplication([])
+
+ QSqlDatabase_snippets()
+ QSqlField_snippets()
+ QSqlQuery_snippets()
+ QSqlQueryModel_snippets()
+ QSqlTableModel_snippets()
+
+ driver = XyzDriver()
+ result = XyzResult(driver)