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50#include <QSqlDatabase>
51#include <QSqlQuery>
52#include <QSqlDriver>
53#include <QSqlError>
54#include <QSqlResult>
55#include <QDebug>
56
57// dummy typedef
58typedef void *sqlite3_stmt;
59
60void insertVariants()
61{
62//! [0]
63QSqlQuery q;
64q.prepare(query: "insert into test (i1, i2, s) values (?, ?, ?)");
65
66QVariantList col1;
67QVariantList col2;
68QVariantList col3;
69
70col1 << 1 << 3;
71col2 << 2 << 4;
72col3 << "hello" << "world";
73
74q.bindValue(pos: 0, val: col1);
75q.bindValue(pos: 1, val: col2);
76q.bindValue(pos: 2, val: col3);
77
78if (!q.execBatch())
79 qDebug() << q.lastError();
80//! [0]
81}
82
83void querySqlite()
84{
85//! [1]
86QSqlDatabase db = QSqlDatabase::database(connectionName: "sales");
87QSqlQuery query("SELECT NAME, DOB FROM EMPLOYEES", db);
88
89QVariant v = query.result()->handle();
90if (v.isValid() && qstrcmp(str1: v.typeName(), str2: "sqlite3_stmt*") == 0) {
91 // v.data() returns a pointer to the handle
92 sqlite3_stmt *handle = *static_cast<sqlite3_stmt **>(v.data());
93 if (handle) {
94 // ...
95 }
96}
97//! [1]
98}
99

source code of qtbase/src/sql/doc/snippets/code/src_sql_kernel_qsqlresult.cpp