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#include <QtTest/QtTest>
#include <qsqldatabase.h>
#include <qsqlquery.h>
#include <qsqldriver.h>
#ifdef QT3_SUPPORT
#include <q3sqlcursor.h>
#include <q3sqlrecordinfo.h>
#include <q3cstring.h>
#endif
#include <qsqlrecord.h>
#include <qsqlfield.h>
#include <qsqlindex.h>
#include <qregexp.h>
#include <qvariant.h>
#include <qdatetime.h>
#include <qdebug.h>

#define NODATABASE_SKIP "No database drivers are available in this Qt configuration"

#include "tst_databases.h"

//TESTED_FILES=

QT_FORWARD_DECLARE_CLASS(QSqlDatabase)
struct FieldDef;

class tst_QSqlDatabase : public QObject
{
    Q_OBJECT

public:
    tst_QSqlDatabase();
    virtual ~tst_QSqlDatabase();

public slots:
    void initTestCase();
    void cleanupTestCase();
    void init();
    void cleanup();
private slots:
    void record_data() { generic_data(); }
    //void record();
    void open_data() { generic_data(); }
    void open();
    void tables_data() { generic_data(); }
    void tables();
    void transaction_data() { generic_data(); }
    void transaction();
    void eventNotification_data() { generic_data(); }
    void eventNotification();
    void addDatabase();

    //database specific tests
    void recordMySQL_data() { generic_data("QMYSQL"); }
    void recordMySQL();
    void recordPSQL_data() { generic_data("QPSQL"); }
    void recordPSQL();
    void recordOCI_data() { generic_data("QOCI"); }
    void recordOCI();
    void recordTDS_data() { generic_data("QTDS"); }
    void recordTDS();
    void recordDB2_data() { generic_data("QDB2"); }
    void recordDB2();
    void recordSQLite_data() { generic_data("QSQLITE"); }
    void recordSQLite();
    void recordAccess_data() { generic_data("QODBC"); }
    void recordAccess();
    void recordSQLServer_data() { generic_data("QODBC"); }
    void recordSQLServer();
    void recordIBase_data() {generic_data("QIBASE"); }
    void recordIBase();

    void eventNotificationIBase_data() { generic_data("QIBASE"); }
    void eventNotificationIBase();
    void eventNotificationPSQL_data() { generic_data("QPSQL"); }
    void eventNotificationPSQL();

    //database specific 64 bit integer test
    void bigIntField_data() { generic_data(); }
    void bigIntField();

    // general tests
    void getConnectionName_data() { generic_data(); }
    void getConnectionName(); // For task 129992

    //problem specific tests
    void alterTable_data() { generic_data(); }
    void alterTable();
    void recordNonSelect_data() { generic_data(); }
    void recordNonSelect();
    void caseSensivity_data() { generic_data(); }
    void caseSensivity();
    void noEscapedFieldNamesInRecord_data() { generic_data(); }
    void noEscapedFieldNamesInRecord();
    void whitespaceInIdentifiers_data() { generic_data(); }
    void whitespaceInIdentifiers();
    void formatValueTrimStrings_data() { generic_data(); }
    void formatValueTrimStrings();
    void precisionPolicy_data() { generic_data(); }
    void precisionPolicy();

    void db2_valueCacheUpdate_data() { generic_data("QDB2"); }
    void db2_valueCacheUpdate();

    void psql_schemas_data() { generic_data("QPSQL"); }
    void psql_schemas();
    void psql_escapedIdentifiers_data() { generic_data("QPSQL"); }
    void psql_escapedIdentifiers();
    void psql_escapeBytea_data() { generic_data("QPSQL"); }
    void psql_escapeBytea();
    void bug_249059_data() { generic_data("QPSQL"); }
    void bug_249059();

    void mysqlOdbc_unsignedIntegers_data() { generic_data(); }
    void mysqlOdbc_unsignedIntegers();
    void mysql_multiselect_data() { generic_data("QMYSQL"); }
    void mysql_multiselect();  // For task 144331

    void accessOdbc_strings_data() { generic_data(); }
    void accessOdbc_strings();

    void ibase_numericFields_data() { generic_data("QIBASE"); }
    void ibase_numericFields(); // For task 125053
    void ibase_fetchBlobs_data() { generic_data("QIBASE"); }
    void ibase_fetchBlobs(); // For task 143471
    void ibase_useCustomCharset_data() { generic_data("QIBASE"); }
    void ibase_useCustomCharset(); // For task 134608
    void ibase_procWithoutReturnValues_data() { generic_data("QIBASE"); } // For task 165423
    void ibase_procWithoutReturnValues();
    void ibase_procWithReturnValues_data() { generic_data("QIBASE"); } // For task 177530
    void ibase_procWithReturnValues();

    void odbc_reopenDatabase_data() { generic_data("QODBC"); }
    void odbc_reopenDatabase();
    void odbc_uniqueidentifier_data() { generic_data("QODBC"); }
    void odbc_uniqueidentifier(); // For task 141822
    void odbc_uintfield_data() { generic_data("QODBC"); }
    void odbc_uintfield();
    void odbc_bindBoolean_data() { generic_data("QODBC"); }
    void odbc_bindBoolean();

    void oci_serverDetach_data() { generic_data("QOCI"); }
    void oci_serverDetach(); // For task 154518
    void oci_xmltypeSupport_data() { generic_data("QOCI"); }
    void oci_xmltypeSupport();
    void oci_fieldLength_data() { generic_data("QOCI"); }
    void oci_fieldLength();

    void sqlite_bindAndFetchUInt_data() { generic_data("QSQLITE3"); }
    void sqlite_bindAndFetchUInt();

    void sqlStatementUseIsNull_189093_data() { generic_data(); }
    void sqlStatementUseIsNull_189093();


private:
    void createTestTables(QSqlDatabase db);
    void dropTestTables(QSqlDatabase db);
    void populateTestTables(QSqlDatabase db);
    void generic_data(const QString &engine=QString());

#ifdef QT3_SUPPORT
    void testRecordInfo(const FieldDef fieldDefs[], const Q3SqlRecordInfo& inf);
#endif
    void testRecord(const FieldDef fieldDefs[], const QSqlRecord& inf, QSqlDatabase db);
    void commonFieldTest(const FieldDef fieldDefs[], QSqlDatabase, const int);
    void checkValues(const FieldDef fieldDefs[], QSqlDatabase db);
    void checkNullValues(const FieldDef fieldDefs[], QSqlDatabase db);

    tst_Databases dbs;
};

// number of records to be inserted per testfunction
static const int ITERATION_COUNT = 2;
static int pkey = 1;

//helper class for database specific tests
struct FieldDef {
    FieldDef(QString tn = QString(),
          QVariant::Type t = QVariant::Invalid,
          QVariant v = QVariant(),
          bool nl = true):
        typeName(tn), type(t), val(v), nullable(nl) {}

    QString fieldName() const
    {
        QString rt = typeName;
        rt.replace(QRegExp("\\s"), QString("_"));
#ifdef QT3_SUPPORT
        int i = rt.find("(");
#else
        int i = rt.indexOf("(");
#endif
        if (i == -1)
            i = rt.length();
        if (i > 20)
            i = 20;
        return "t_" + rt.left(i);
    }
    QString typeName;
    QVariant::Type type;
    QVariant val;
    bool nullable;
};

// creates a table out of the FieldDefs and returns the number of fields
// excluding the primary key field
static int createFieldTable(const FieldDef fieldDefs[], QSqlDatabase db)
{
    tst_Databases::safeDropTables(db, QStringList() << qTableName("qtestfields"));
    QSqlQuery q(db);
    // construct a create table statement consisting of all fieldtypes
    QString qs = "create table " + qTableName("qtestfields");
    QString autoName = tst_Databases::autoFieldName(db);
    if (tst_Databases::isMSAccess(db))
        qs.append(" (id int not null");
    else
        qs.append(QString("(id integer not null %1 primary key").arg(autoName));

    int i = 0;
    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        qs += QString(",\n %1 %2").arg(fieldDefs[ i ].fieldName()).arg(fieldDefs[ i ].typeName);
        if ((db.driverName().startsWith("QTDS") || tst_Databases::isSqlServer(db)) && fieldDefs[ i ].nullable) {
            qs += " null";
        }
    }

    if (tst_Databases::isMSAccess(db))
        qs.append(",\n primary key (id)");

    qs += ')';
    if (!q.exec(qs)) {
        qDebug() << "Creation of Table failed:" << tst_Databases::printError(q.lastError(), db);
        qDebug() << "Query: " << qs;
        return -1;
    }
    return i;
}

tst_QSqlDatabase::tst_QSqlDatabase()
{
}

tst_QSqlDatabase::~tst_QSqlDatabase()
{
}

void tst_QSqlDatabase::createTestTables(QSqlDatabase db)
{
    if (!db.isValid())
    return;
    QSqlQuery q(db);
    if (db.driverName().startsWith("QMYSQL"))
        // ### stupid workaround until we find a way to hardcode this
        // in the MySQL server startup script
        q.exec("set table_type=innodb");
    if (tst_Databases::isSqlServer(db)) {
        QVERIFY_SQL(q, exec("SET ANSI_DEFAULTS ON"));
        QVERIFY_SQL(q, exec("SET IMPLICIT_TRANSACTIONS OFF"));
    }

    // please never ever change this table; otherwise fix all tests ;)
    if (tst_Databases::isMSAccess(db)) {
        QVERIFY_SQL(q, exec("create table " + qTableName("qtest") +
                   " (id int not null, t_varchar varchar(40) not null, t_char char(40), "
                   "t_numeric number, primary key (id, t_varchar))"));
    } else {
        QVERIFY_SQL(q, exec("create table " + qTableName("qtest") +
               " (id integer not null, t_varchar varchar(40) not null, "
               "t_char char(40), t_numeric numeric(6, 3), primary key (id, t_varchar))"));
    }

    if (testWhiteSpaceNames(db.driverName())) {
        QString qry = "create table "
            + db.driver()->escapeIdentifier(qTableName("qtest") + " test", QSqlDriver::TableName)
            + '('
            + db.driver()->escapeIdentifier(QLatin1String("test test"), QSqlDriver::FieldName)
            + " int not null primary key)";
        QVERIFY_SQL(q, exec(qry));
    }
}

void tst_QSqlDatabase::dropTestTables(QSqlDatabase db)
{
    if (!db.isValid())
        return;
    // drop the view first, otherwise we'll get dependency problems
    tst_Databases::safeDropViews(db, QStringList() << qTableName("qtest_view") << qTableName("qtest_view2"));

    QStringList tableNames;
    tableNames << qTableName("qtest")
            << qTableName("qtestfields")
            << qTableName("qtestalter")
            << qTableName("qtest_temp")
            << qTableName("qtest_bigint")
            << qTableName("qtest_xmltype")
            << qTableName("latin1table")
            << qTableName("qtest_sqlguid")
            << qTableName("batable")
            << qTableName("qtest_prec")
            << qTableName("uint")
            << qTableName("strings")
            << qTableName("numericfields")
            << qTableName("qtest_ibaseblobs")
            << qTableName("qtestBindBool")
            << qTableName("qtest_sqlguid")
            << qTableName("uint_table")
            << qTableName("uint_test")
            << qTableName("bug_249059");

    QSqlQuery q(0, db);
    if (db.driverName().startsWith("QPSQL"))
        q.exec("drop schema " + qTableName("qtestschema") + " cascade");

    if (testWhiteSpaceNames(db.driverName()))
        tableNames <<  (qTableName("qtest") + " test");

    tst_Databases::safeDropTables(db, tableNames);
}

void tst_QSqlDatabase::populateTestTables(QSqlDatabase db)
{
    if (!db.isValid())
        return;
    QSqlQuery q(db);

    q.exec("delete from " + qTableName("qtest")); //non-fatal
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " (id, t_varchar, t_char, t_numeric) values (0, 'VarChar0', 'Char0', 1.1)"));
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " (id, t_varchar, t_char, t_numeric) values (1, 'VarChar1', 'Char1', 2.2)"));
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " (id, t_varchar, t_char, t_numeric) values (2, 'VarChar2', 'Char2', 3.3)"));
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " (id, t_varchar, t_char, t_numeric) values (3, 'VarChar3', 'Char3', 4.4)"));
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " (id, t_varchar, t_char, t_numeric) values (4, 'VarChar4', NULL, NULL)"));
}

void tst_QSqlDatabase::initTestCase()
{
    dbs.open();

    for (QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it) {
        QSqlDatabase db = QSqlDatabase::database((*it));
        CHECK_DATABASE(db);
        dropTestTables(db); //in case of leftovers
        createTestTables(db);
        populateTestTables(db);
    }
}

void tst_QSqlDatabase::cleanupTestCase()
{
    for (QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it) {
        QSqlDatabase db = QSqlDatabase::database((*it));
        CHECK_DATABASE(db);
        dropTestTables(db);
    }

    dbs.close();
}

void tst_QSqlDatabase::init()
{
}

void tst_QSqlDatabase::cleanup()
{
}

void tst_QSqlDatabase::generic_data(const QString& engine)
{
    if ( dbs.fillTestTable(engine) == 0 ) {
        if(engine.isEmpty())
           QSKIP( "No database drivers are available in this Qt configuration", SkipAll );
        else
           QSKIP( (QString("No database drivers of type %1 are available in this Qt configuration").arg(engine)).toLocal8Bit(), SkipAll );
    }
}

void tst_QSqlDatabase::addDatabase()
{
    QTest::ignoreMessage(QtWarningMsg, "QSqlDatabase: BLAH_FOO_NONEXISTENT_DRIVER driver not loaded");
    QTest::ignoreMessage(QtWarningMsg, qPrintable("QSqlDatabase: available drivers: " + QSqlDatabase::drivers().join(QLatin1String(" "))));
    {
        QSqlDatabase db = QSqlDatabase::addDatabase("BLAH_FOO_NONEXISTENT_DRIVER",
                                                    "INVALID_CONNECTION");
        QVERIFY(!db.isValid());
    }
    QVERIFY(QSqlDatabase::contains("INVALID_CONNECTION"));
    QSqlDatabase::removeDatabase("INVALID_CONNECTION");
    QVERIFY(!QSqlDatabase::contains("INVALID_CONNECTION"));
}

void tst_QSqlDatabase::open()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    int i;
    for (i = 0; i < 10; ++i) {
        db.close();
        QVERIFY(!db.isOpen());
        QVERIFY_SQL(db, open());
        QVERIFY(db.isOpen());
        QVERIFY(!db.isOpenError());
    }

    if (db.driverName().startsWith("QSQLITE") && db.databaseName() == ":memory:") {
        // tables in in-memory databases don't survive an open/close
        createTestTables(db);
        populateTestTables(db);
    }
}

void tst_QSqlDatabase::recordNonSelect()
{
#ifdef QT3_SUPPORT
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);

    // nothing should happen on an empty query
    QSqlRecord rec = db.record(q);
    QVERIFY(rec.isEmpty());
    Q3SqlRecordInfo rInf = db.recordInfo(q);
    QVERIFY(rInf.isEmpty());

    QVERIFY_SQL(q, exec("create table " + qTableName("qtest_temp") + " (id int)"));

    // query without result set should return empty record
    rec = db.record(q);
    QVERIFY(rec.isEmpty());
    rInf = db.recordInfo(q);
    QVERIFY(rInf.isEmpty());
#endif
}

void tst_QSqlDatabase::tables()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    bool views = true;
    bool tempTables = false;

    QSqlQuery q(db);
    if ( db.driverName().startsWith( "QMYSQL" ) && tst_Databases::getMySqlVersion( db ).section( QChar('.'), 0, 0 ).toInt()<5 )
        QSKIP( "Test requires MySQL >= 5.0", SkipSingle );


    if (!q.exec("CREATE VIEW " + qTableName("qtest_view") + " as select * from " + qTableName("qtest"))) {
        qDebug(QString("DBMS '%1' cannot handle VIEWs: %2").arg(
                tst_Databases::dbToString(db)).arg(QString(tst_Databases::printError(q.lastError()))).toLatin1());
        views = false;
    }

    if (db.driverName().startsWith("QSQLITE3")) {
        QVERIFY_SQL(q, exec("CREATE TEMPORARY TABLE " + qTableName("temp_tab") + " (id int)"));
        tempTables = true;
    }

    QStringList tables = db.tables(QSql::Tables);
    QVERIFY(tables.contains(qTableName("qtest"), Qt::CaseInsensitive));
    QVERIFY(!tables.contains("sql_features", Qt::CaseInsensitive)); //check for postgres 7.4 internal tables
    if (views) {
        if (db.driverName().startsWith("QMYSQL"))
            // MySQL doesn't differentiate between tables and views when calling QSqlDatabase::tables()
            // May be fixable by doing a select on informational_schema.tables instead of using the client library api
            QEXPECT_FAIL("", "MySQL driver thinks that views are tables", Continue);
        QVERIFY(!tables.contains(qTableName("qtest_view"), Qt::CaseInsensitive));
    }
    if (tempTables)
        QVERIFY(tables.contains(qTableName("temp_tab"), Qt::CaseInsensitive));

    tables = db.tables(QSql::Views);
    if (views) {
        if (db.driverName().startsWith("QMYSQL"))
            // MySQL doesn't give back anything when calling QSqlDatabase::tables() with QSql::Views
            // May be fixable by doing a select on informational_schema.views instead of using the client library api
            QEXPECT_FAIL("", "MySQL driver thinks that views are tables", Continue);
        if(!tables.contains(qTableName("qtest_view"), Qt::CaseInsensitive))
            qDebug() << "failed to find" << qTableName("qtest_view") << "in" << tables;
        QVERIFY(tables.contains(qTableName("qtest_view"), Qt::CaseInsensitive));
    }
    if (tempTables)
        QVERIFY(!tables.contains(qTableName("temp_tab"), Qt::CaseInsensitive));
    QVERIFY(!tables.contains(qTableName("qtest"), Qt::CaseInsensitive));

    tables = db.tables(QSql::SystemTables);
    QVERIFY(!tables.contains(qTableName("qtest"), Qt::CaseInsensitive));
    QVERIFY(!tables.contains(qTableName("qtest_view"), Qt::CaseInsensitive));
    QVERIFY(!tables.contains(qTableName("temp_tab"), Qt::CaseInsensitive));

    tables = db.tables(QSql::AllTables);
    if (views)
        QVERIFY(tables.contains(qTableName("qtest_view"), Qt::CaseInsensitive));
    if (tempTables)
        QVERIFY(tables.contains(qTableName("temp_tab"), Qt::CaseInsensitive));
    QVERIFY(tables.contains(qTableName("qtest"), Qt::CaseInsensitive));

    if (tst_Databases::isMSAccess(db))
        QSqlQuery("drop table " + qTableName("qtest_view"), db);
    else
        QSqlQuery("drop view " + qTableName("qtest_view"), db);

    if (db.driverName().startsWith("QPSQL")) {
        QVERIFY(tables.contains(qTableName("qtest") + " test"));
    }
}

void tst_QSqlDatabase::whitespaceInIdentifiers()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (testWhiteSpaceNames(db.driverName())) {
        QString tableName = qTableName("qtest") + " test";
        QVERIFY(db.tables().contains(tableName, Qt::CaseInsensitive));

        QSqlRecord rec = db.record(tableName);
        QCOMPARE(rec.count(), 1);
        QCOMPARE(rec.fieldName(0), QString("test test"));
        if(db.driverName().startsWith("QOCI"))
            QCOMPARE(rec.field(0).type(), QVariant::String);
        else
            QCOMPARE(rec.field(0).type(), QVariant::Int);

        QSqlIndex idx = db.primaryIndex(tableName);
        QCOMPARE(idx.count(), 1);
        QCOMPARE(idx.fieldName(0), QString("test test"));
        if(db.driverName().startsWith("QOCI"))
            QCOMPARE(idx.field(0).type(), QVariant::String);
        else
            QCOMPARE(idx.field(0).type(), QVariant::Int);
    } else {
        QSKIP("DBMS does not support whitespaces in identifiers", SkipSingle);
    }
}

void tst_QSqlDatabase::alterTable()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);

    QVERIFY_SQL(q, exec("create table " + qTableName("qtestalter") + " (F1 char(20), F2 char(20), F3 char(20))"));
    QSqlRecord rec = db.record(qTableName("qtestalter"));
    QCOMPARE((int)rec.count(), 3);
#ifdef QT3_SUPPORT
    Q3SqlRecordInfo rinf = db.recordInfo(qTableName("qtestalter"));
    QCOMPARE((int)rinf.count(), 3);
#endif


    int i;
    for (i = 0; i < 3; ++i) {
        QCOMPARE(rec.field(i).name().toUpper(), QString("F%1").arg(i + 1));
#ifdef QT3_SUPPORT
        QCOMPARE(rinf[ i ].name().upper(), QString("F%1").arg(i + 1));
#endif
    }

    if (!q.exec("alter table " + qTableName("qtestalter") + " drop column F2")) {
        QSKIP("DBMS doesn't support dropping columns in ALTER TABLE statement", SkipSingle);
    }

    rec = db.record(qTableName("qtestalter"));
#ifdef QT3_SUPPORT
    rinf = db.recordInfo(qTableName("qtestalter"));
#endif

    QCOMPARE((int)rec.count(), 2);
#ifdef QT3_SUPPORT
    QCOMPARE((int)rinf.count(), 2);
#endif

    QCOMPARE(rec.field(0).name().toUpper(), QString("F1"));
    QCOMPARE(rec.field(1).name().toUpper(), QString("F3"));
#ifdef QT3_SUPPORT
    QCOMPARE(rinf[ 0 ].name().upper(), QString("F1"));
    QCOMPARE(rinf[ 1 ].name().upper(), QString("F3"));
#endif

    q.exec("select * from " + qTableName("qtestalter"));

#ifdef QT3_SUPPORT
    rec = db.record(q);
    rinf = db.recordInfo(q);

    QCOMPARE((int)rec.count(), 2);
    QCOMPARE((int)rinf.count(), 2);

    QCOMPARE(rec.field(0).name().upper(), QString("F1"));
    QCOMPARE(rec.field(1).name().upper(), QString("F3"));
    QCOMPARE(rinf[ 0 ].name().upper(), QString("F1"));
    QCOMPARE(rinf[ 1 ].name().upper(), QString("F3"));
#endif
}

#if 0
// this is the general test that should work on all databases.
// unfortunately no DBMS supports SQL 92/ 99 so the general
// test is more or less a joke. Please write a test for each
// database plugin (see recordOCI and so on). Use this test
// as a template.
void tst_QSqlDatabase::record()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    static const FieldDef fieldDefs[] = {
        FieldDef("char(20)", QVariant::String,         QString("blah1"), false),
        FieldDef("varchar(20)", QVariant::String,      QString("blah2"), false),
        FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

// doesn't work with oracle:   checkNullValues(fieldDefs, db);
    commonFieldTest(fieldDefs, db, fieldCount);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
        checkValues(fieldDefs, db);
    }
}
#endif

#ifdef QT3_SUPPORT
void tst_QSqlDatabase::testRecordInfo(const FieldDef fieldDefs[], const Q3SqlRecordInfo& inf)
{
    int i = 0;
    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        QCOMPARE(inf[i+1].name().upper(), fieldDefs[ i ].fieldName().upper());
        if (inf[i+1].type() != fieldDefs[ i ].type) {
            QFAIL(QString(" Expected: '%1' Received: '%2' for field %3 in testRecordInfo").arg(
            QVariant::typeToName(fieldDefs[ i ].type)).arg(
              QVariant::typeToName(inf[i+1].type())).arg(
            fieldDefs[ i ].fieldName()));
        }
    }
}
#endif

void tst_QSqlDatabase::testRecord(const FieldDef fieldDefs[], const QSqlRecord& inf, QSqlDatabase db)
{
    int i = 0;
    if (!tst_Databases::autoFieldName(db).isEmpty()) // Currently only MySQL is tested
        QVERIFY2(inf.field(i).isAutoValue(), qPrintable(inf.field(i).name() + " should be reporting as an autovalue"));
    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        QCOMPARE(inf.field(i+1).name().toUpper(), fieldDefs[ i ].fieldName().toUpper());
        if (inf.field(i+1).type() != fieldDefs[ i ].type) {
            QFAIL(qPrintable(QString(" Expected: '%1' Received: '%2' for field %3 in testRecord").arg(
              QVariant::typeToName(fieldDefs[ i ].type)).arg(
            QVariant::typeToName(inf.field(i+1).type())).arg(
              fieldDefs[ i ].fieldName())));
        }
        QVERIFY(!inf.field(i+1).isAutoValue());

//	qDebug(QString(" field: %1 type: %2 variant type: %3").arg(fieldDefs[ i ].fieldName()).arg(QVariant::typeToName(inf.field(i+1)->type())).arg(QVariant::typeToName(inf.field(i+1)->value().type())));
    }
}

// non-dbms specific tests
void tst_QSqlDatabase::commonFieldTest(const FieldDef fieldDefs[], QSqlDatabase db, const int fieldCount)
{
    CHECK_DATABASE(db);

    // check whether recordInfo returns the right types
#ifdef QT3_SUPPORT
    Q3SqlRecordInfo inf = db.recordInfo(qTableName("qtestfields"));
    QCOMPARE((int)inf.count(), fieldCount+1);
    testRecordInfo(fieldDefs, inf);
#endif

    QSqlRecord rec = db.record(qTableName("qtestfields"));
    QCOMPARE((int)rec.count(), fieldCount+1);
    testRecord(fieldDefs, rec, db);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("select * from " + qTableName("qtestfields")));

#ifdef QT3_SUPPORT
    inf = db.recordInfo(q);
    QCOMPARE((int)inf.count(), fieldCount+1);
    testRecordInfo(fieldDefs, inf);

    rec = db.record(q);
    QCOMPARE((int)rec.count(), fieldCount+1);
    testRecord(fieldDefs, rec, db);
#endif
}

// inserts testdata into the testtable, fetches and compares them
void tst_QSqlDatabase::checkValues(const FieldDef fieldDefs[], QSqlDatabase db)
{
    Q_UNUSED(fieldDefs);
#ifdef QT3_SUPPORT
    CHECK_DATABASE(db);

    Q3SqlCursor cur(qTableName("qtestfields"), true, db);
    QVERIFY_SQL(cur, select());
    QSqlRecord* rec = cur.primeInsert();
    Q_ASSERT(rec);
    rec->setValue("id", pkey++);
    int i = 0;
    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        rec->setValue(fieldDefs[ i ].fieldName(), fieldDefs[ i ].val);
//     qDebug(QString("inserting %1 into %2").arg(fieldDefs[ i ].val.toString()).arg(fieldDefs[ i ].fieldName()));
    }
    if (!cur.insert()) {
        QFAIL(QString("Couldn't insert record: %1 %2").arg(cur.lastError().databaseText()).arg(cur.lastError().driverText()));
    }
    cur.setForwardOnly(true);
    QVERIFY_SQL(cur, select("id = " + QString::number(pkey - 1)));
    QVERIFY_SQL(cur, next());

    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        bool ok = false;
        QVariant val1 = cur.value(fieldDefs[ i ].fieldName());
        QVariant val2 = fieldDefs[ i ].val;
        if (val1.type() == QVariant::String)
            //TDS Workaround
            val1 = val1.toString().stripWhiteSpace();
        if (fieldDefs[ i ].fieldName() == "t_real") {
            // strip precision
            val1 = (float)val1.toDouble();
            val2 = (float)val2.toDouble();
        }
        if (val1.canCast(QVariant::Double) && val2.type() == QVariant::Double) {
            // we don't care about precision here, we just want to know whether
            // we can insert/fetch the right values
            ok = (val1.toDouble() - val2.toDouble() < 0.00001);
        } else if (val1.type() == val2.type()) {
                ok = (val1 == val2);
        } else {
            ok = (val1.toString() == val2.toString());
        }
        if (!ok) {
            if (val2.type() == QVariant::DateTime || val2.type() == QVariant::Time)
               qDebug("Expected Time: " + val2.toTime().toString("hh:mm:ss.zzz"));
            if (val1.type() == QVariant::DateTime || val1.type() == QVariant::Time)
               qDebug("Received Time: " + val1.toTime().toString("hh:mm:ss.zzz"));
            QFAIL(QString(" Expected: '%1' Received: '%2' for field %3 (etype %4 rtype %5) in checkValues").arg(
            val2.toString()).arg(
            val1.toString()).arg(
            fieldDefs[ i ].fieldName()).arg(
            val2.typeName()).arg(
            val1.typeName())
            );
        }
    }
#endif
}

// inserts a NULL value for each nullable field in testdata, fetches and checks whether
// we get back NULL
void tst_QSqlDatabase::checkNullValues(const FieldDef fieldDefs[], QSqlDatabase db)
{
    Q_UNUSED(fieldDefs);
#ifdef QT3_SUPPORT
    CHECK_DATABASE(db);

    Q3SqlCursor cur(qTableName("qtestfields"), true, db);
    QVERIFY_SQL(cur, select());
    QSqlRecord* rec = cur.primeInsert();
    Q_ASSERT(rec);
    rec->setValue("id", pkey++);
    int i = 0;
    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        if (fieldDefs[ i ].fieldName(), fieldDefs[ i ].nullable)
            rec->setNull(fieldDefs[ i ].fieldName());
        else
            rec->setValue(fieldDefs[ i ].fieldName(), fieldDefs[ i ].val);
    }
    if (!cur.insert()) {
        QFAIL(QString("Couldn't insert record: %1 %2").arg(cur.lastError().databaseText()).arg(cur.lastError().driverText()));
    }
    cur.setForwardOnly(true);
    QVERIFY_SQL(cur, select("id = " + QString::number(pkey - 1)));
    QVERIFY_SQL(cur, next());

    for (i = 0; !fieldDefs[ i ].typeName.isNull(); ++i) {
        if (fieldDefs[ i ].nullable == false)
            continue;
        // multiple inheritance sucks so much
        QVERIFY2(((QSqlQuery)cur).isNull(i + 1), "Check whether '" + fieldDefs[ i ].fieldName() + "' is null in QSqlQuery");
        QVERIFY2(((QSqlRecord)cur).isNull(fieldDefs[ i ].fieldName()), "Check whether '" + fieldDefs[ i ].fieldName() + "' is null in QSqlRecord");
        if (!cur.value(fieldDefs[ i ].fieldName()).isNull())
            qDebug(QString("QVariant is not null for NULL-Value in Field '%1'").arg(fieldDefs[ i ].fieldName()));
    }
#endif
}

void tst_QSqlDatabase::recordTDS()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    static const FieldDef fieldDefs[] = {
    FieldDef("tinyint", QVariant::Int,		255),
    FieldDef("smallint", QVariant::Int,		32767),
    FieldDef("int", QVariant::Int,			2147483647),
    FieldDef("numeric(10,9)", QVariant::Double,	1.23456789),
    FieldDef("decimal(10,9)", QVariant::Double,	1.23456789),
    FieldDef("float(4)", QVariant::Double,		1.23456789),
    FieldDef("double precision", QVariant::Double,	1.23456789),
    FieldDef("real", QVariant::Double,		1.23456789),
    FieldDef("smallmoney", QVariant::Double,	100.42),
    FieldDef("money", QVariant::Double,		200.42),
    // accuracy is that of a minute
    FieldDef("smalldatetime", QVariant::DateTime,	QDateTime(QDate::currentDate(), QTime(1, 2, 0, 0))),
    // accuracy is that of a second
    FieldDef("datetime", QVariant::DateTime,	QDateTime(QDate::currentDate(), QTime(1, 2, 3, 0))),
    FieldDef("char(20)", QVariant::String,		"blah1"),
    FieldDef("varchar(20)", QVariant::String,	"blah2"),
    FieldDef("nchar(20)", QVariant::String,	"blah3"),
    FieldDef("nvarchar(20)", QVariant::String,	"blah4"),
    FieldDef("text", QVariant::String,		"blah5"),
#ifdef QT3_SUPPORT
    FieldDef("binary(20)", QVariant::ByteArray,	Q3CString("blah6")),
    FieldDef("varbinary(20)", QVariant::ByteArray, Q3CString("blah7")),
    FieldDef("image", QVariant::ByteArray,		Q3CString("blah8")),
#endif
    FieldDef("bit", QVariant::Int,			1, false),

    FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
    checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordOCI()
{
    bool hasTimeStamp = false;

    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    // runtime check for Oracle version since V8 doesn't support TIMESTAMPs
    if (tst_Databases::getOraVersion(db) >= 9) {
    qDebug("Detected Oracle >= 9, TIMESTAMP test enabled");
    hasTimeStamp = true;
    } else {
    qDebug("Detected Oracle < 9, TIMESTAMP test disabled");
    }

    FieldDef tsdef;
    FieldDef tstzdef;
    FieldDef tsltzdef;
    FieldDef intytm;
    FieldDef intdts;

    static const QDateTime dt(QDate::currentDate(), QTime(1, 2, 3, 0));

    if (hasTimeStamp) {
    tsdef = FieldDef("timestamp", QVariant::DateTime,  dt);
    tstzdef = FieldDef("timestamp with time zone", QVariant::DateTime, dt);
    tsltzdef = FieldDef("timestamp with local time zone", QVariant::DateTime, dt);
    intytm = FieldDef("interval year to month", QVariant::String, QString("+01-01"));
    intdts = FieldDef("interval day to second", QVariant::String, QString("+01 00:00:01.000000"));
    }

    const FieldDef fieldDefs[] = {
        FieldDef("char(20)", QVariant::String,          QString("blah1")),
        FieldDef("varchar(20)", QVariant::String,       QString("blah2")),
        FieldDef("nchar(20)", QVariant::String,         QString("blah3")),
        FieldDef("nvarchar2(20)", QVariant::String,     QString("blah4")),
        FieldDef("number(10,5)", QVariant::String,      1.1234567),
        FieldDef("date", QVariant::DateTime,            dt),
#ifdef QT3_SUPPORT
//X?    FieldDef("long raw", QVariant::ByteArray,       QByteArray(Q3CString("blah5"))),
        FieldDef("raw(2000)", QVariant::ByteArray,      QByteArray(Q3CString("blah6")), false),
        FieldDef("blob", QVariant::ByteArray,           QByteArray(Q3CString("blah7"))),
#endif
//FIXME FieldDef("clob", QVariant::CString,             Q3CString("blah8")),
//FIXME FieldDef("nclob", QVariant::CString,            Q3CString("blah9")),
//X     FieldDef("bfile", QVariant::ByteArray,          QByteArray(Q3CString("blah10"))),

    intytm,
    intdts,
    tsdef,
    tstzdef,
    tsltzdef,
    FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
    checkValues(fieldDefs, db);
    }

    // some additional tests
    QSqlRecord rec = db.record(qTableName("qtestfields"));
    QCOMPARE(rec.field("T_NUMBER").length(), 10);
    QCOMPARE(rec.field("T_NUMBER").precision(), 5);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("SELECT * FROM " + qTableName("qtestfields")));
    rec = q.record();
    QCOMPARE(rec.field("T_NUMBER").length(), 10);
    QCOMPARE(rec.field("T_NUMBER").precision(), 5);
}

void tst_QSqlDatabase::recordPSQL()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    FieldDef byteadef;
    if (db.driver()->hasFeature(QSqlDriver::BLOB))
#ifdef QT3_SUPPORT
    byteadef = FieldDef("bytea", QVariant::ByteArray, QByteArray(Q3CString("bl\\ah")));
#else
        byteadef = FieldDef("bytea", QVariant::ByteArray, QByteArray("bl\\ah"));
#endif
    static FieldDef fieldDefs[] = {
    FieldDef("bigint", QVariant::LongLong,	Q_INT64_C(9223372036854775807)),
    FieldDef("bigserial", QVariant::LongLong, 100, false),
    FieldDef("bit", QVariant::String,	"1"), // a bit in postgres is a bit-string
#ifdef QT3_SUPPORT
    FieldDef("boolean", QVariant::Bool,	QVariant(bool(true), 0)),
#endif
    FieldDef("box", QVariant::String,	"(5,6),(1,2)"),
    FieldDef("char(20)", QVariant::String, "blah5678901234567890"),
    FieldDef("varchar(20)", QVariant::String, "blah5678901234567890"),
    FieldDef("cidr", QVariant::String,	"12.123.0.0/24"),
    FieldDef("circle", QVariant::String,	"<(1,2),3>"),
    FieldDef("date", QVariant::Date,	QDate::currentDate()),
    FieldDef("float8", QVariant::Double,	1.12345678912),
    FieldDef("inet", QVariant::String,	"12.123.12.23"),
    FieldDef("integer", QVariant::Int,	2147483647),
    FieldDef("interval", QVariant::String, "1 day 12:59:10"),
//	LOL... you can create a "line" datatype in PostgreSQL <= 7.2.x but
//	as soon as you want to insert data you get a "not implemented yet" error
//	FieldDef("line", QVariant::Polygon, QPolygon(QRect(1, 2, 3, 4))),
    FieldDef("lseg", QVariant::String,     "[(1,1),(2,2)]"),
    FieldDef("macaddr", QVariant::String, "08:00:2b:01:02:03"),
    FieldDef("money", QVariant::String,	"$12.23"),
    FieldDef("numeric", QVariant::Double,  1.2345678912),
    FieldDef("path", QVariant::String,	"((1,2),(3,2),(3,5),(1,5))"),
    FieldDef("point", QVariant::String,	"(1,2)"),
    FieldDef("polygon", QVariant::String,	"((1,2),(3,2),(3,5),(1,5))"),
    FieldDef("real", QVariant::Double,	1.1234),
    FieldDef("smallint", QVariant::Int,	32767),
    FieldDef("serial", QVariant::Int,	100, false),
    FieldDef("text", QVariant::String,	"blah"),
    FieldDef("time(6)", QVariant::Time,	QTime(1, 2, 3)),
    FieldDef("timetz", QVariant::Time,	QTime(1, 2, 3)),
    FieldDef("timestamp(6)", QVariant::DateTime, QDateTime::currentDateTime()),
    FieldDef("timestamptz", QVariant::DateTime, QDateTime::currentDateTime()),
    byteadef,

    FieldDef()
    };

    QSqlQuery q(db);
    q.exec("drop sequence " + qTableName("qtestfields") + "_t_bigserial_seq");
    q.exec("drop sequence " + qTableName("qtestfields") + "_t_serial_seq");
    // older psql cut off the table name
    q.exec("drop sequence " + qTableName("qtestfields").left(15) + "_t_bigserial_seq");
    q.exec("drop sequence " + qTableName("qtestfields").left(18) + "_t_serial_seq");

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
    // increase serial values
    for (int i2 = 0; !fieldDefs[ i2 ].typeName.isNull(); ++i2) {
        if (fieldDefs[ i2 ].typeName == "serial" ||
         fieldDefs[ i2 ].typeName == "bigserial") {

        FieldDef def = fieldDefs[ i2 ];
#ifdef QT3_SUPPORT
        def.val = def.val.asInt() + 1;
#else
        def.val = def.val.toInt() + 1;
#endif
        fieldDefs[ i2 ] = def;
        }
    }
    checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordMySQL()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    FieldDef bin10, varbin10;
    int major = tst_Databases::getMySqlVersion( db ).section( QChar('.'), 0, 0 ).toInt();
    int minor = tst_Databases::getMySqlVersion( db ).section( QChar('.'), 1, 1 ).toInt();
    int revision = tst_Databases::getMySqlVersion( db ).section( QChar('.'), 2, 2 ).toInt();

#ifdef QT3_SUPPORT
    /* The below is broken in mysql below 5.0.15
        see http://dev.mysql.com/doc/refman/5.0/en/binary-varbinary.html
        specifically: Before MySQL 5.0.15, the pad value is space. Values are right-padded
        with space on insert, and trailing spaces are removed on select.
    */
    if ( major >5 || ( major == 5 && minor > 0) || ( major == 5 && minor == 0 && revision >= 15) ) {
        bin10 = FieldDef("binary(10)", QVariant::ByteArray, QByteArray(Q3CString("123abc    ")));
        varbin10 = FieldDef("varbinary(10)", QVariant::ByteArray, QByteArray(Q3CString("123abcv   ")));
    }
#endif

    static QDateTime dt(QDate::currentDate(), QTime(1, 2, 3, 0));
    static const FieldDef fieldDefs[] = {
    FieldDef("tinyint", QVariant::Int,	    127),
    FieldDef("tinyint unsigned", QVariant::UInt, 255),
    FieldDef("smallint", QVariant::Int,	    32767),
    FieldDef("smallint unsigned", QVariant::UInt, 65535),
    FieldDef("mediumint", QVariant::Int,	    8388607),
    FieldDef("mediumint unsigned", QVariant::UInt, 16777215),
    FieldDef("integer", QVariant::Int,	    2147483647),
    FieldDef("integer unsigned", QVariant::UInt, 4294967295u),
    FieldDef("bigint", QVariant::LongLong,	    Q_INT64_C(9223372036854775807)),
    FieldDef("bigint unsigned", QVariant::ULongLong, Q_UINT64_C(18446744073709551615)),
    FieldDef("float", QVariant::Double,	    1.12345),
    FieldDef("double", QVariant::Double,	    1.123456789),
    FieldDef("decimal(10, 9)", QVariant::String,1.123456789),
    FieldDef("numeric(5, 2)", QVariant::String, 123.67),
    FieldDef("date", QVariant::Date,	    QDate::currentDate()),
    FieldDef("datetime", QVariant::DateTime,   dt),
    FieldDef("timestamp", QVariant::DateTime,  dt, false),
    FieldDef("time", QVariant::Time,	    dt.time()),
    FieldDef("year", QVariant::Int,	    2003),
    FieldDef("char(20)", QVariant::String,	    "Blah"),
    FieldDef("varchar(20)", QVariant::String,  "BlahBlah"),
#ifdef QT3_SUPPORT
    FieldDef("tinyblob", QVariant::ByteArray,  QByteArray(Q3CString("blah1"))),
    FieldDef("blob", QVariant::ByteArray,	    QByteArray(Q3CString("blah2"))),
    FieldDef("mediumblob", QVariant::ByteArray,QByteArray(Q3CString("blah3"))),
    FieldDef("longblob", QVariant::ByteArray,  QByteArray(Q3CString("blah4"))),
#endif
    FieldDef("tinytext", QVariant::String,    QString("blah5")),
    FieldDef("text", QVariant::String,	    QString("blah6")),
    FieldDef("mediumtext", QVariant::String,  QString("blah7")),
    FieldDef("longtext", QVariant::String,    QString("blah8")),
#ifdef QT3_SUPPORT
    bin10,
    varbin10,
#endif
    // SET OF?

    FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
    checkValues(fieldDefs, db);
    }

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("SELECT DATE_SUB(CURDATE(), INTERVAL 2 DAY)"));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toDateTime().date(), QDate::currentDate().addDays(-2));
}

void tst_QSqlDatabase::recordDB2()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    static const FieldDef fieldDefs[] = {
    FieldDef("char(20)", QVariant::String,		QString("Blah1")),
    FieldDef("varchar(20)", QVariant::String,	QString("Blah2")),
    FieldDef("long varchar", QVariant::String,	QString("Blah3")),
    // using BOOLEAN results in "SQL0486N  The BOOLEAN data type is currently only supported internally."
//X	FieldDef("boolean" , QVariant::Bool,		QVariant(true, 1)),
    FieldDef("smallint", QVariant::Int,		32767),
    FieldDef("integer", QVariant::Int,		2147483647),
    FieldDef("bigint", QVariant::LongLong,		Q_INT64_C(9223372036854775807)),
    FieldDef("real", QVariant::Double,		1.12345),
    FieldDef("double", QVariant::Double,		1.23456789),
    FieldDef("float", QVariant::Double,		1.23456789),
    FieldDef("decimal(10,9)", QVariant::Double,    1.234567891),
    FieldDef("numeric(10,9)", QVariant::Double,    1.234567891),
    FieldDef("date", QVariant::Date,		QDate::currentDate()),
    FieldDef("time", QVariant::Time,		QTime(1, 2, 3)),
    FieldDef("timestamp", QVariant::DateTime,	QDateTime::currentDateTime()),
//     FieldDef("graphic(20)", QVariant::String,	QString("Blah4")),
//     FieldDef("vargraphic(20)", QVariant::String,	QString("Blah5")),
//     FieldDef("long vargraphic", QVariant::String,	QString("Blah6")),
#ifdef QT3_SUPPORT
//     FieldDef("clob(20)", QVariant::CString,	QString("Blah7")),
//     FieldDef("dbclob(20)", QVariant::CString,	QString("Blah8")),
//     FieldDef("blob(20)", QVariant::ByteArray,	QByteArray(Q3CString("Blah9"))),
#endif
    //X	FieldDef("datalink", QVariant::String,		QString("DLVALUE('Blah10')")),
    FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
    checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordIBase()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    static const FieldDef fieldDefs[] = {
        FieldDef("char(20)", QVariant::String, QString("Blah1"), false),
        FieldDef("varchar(20)", QVariant::String, QString("Blah2")),
        FieldDef("smallint", QVariant::Int, 32767),
        FieldDef("float", QVariant::Double, 1.2345),
        FieldDef("double precision", QVariant::Double, 1.2345678),
        FieldDef("timestamp", QVariant::DateTime, QDateTime::currentDateTime()),
        FieldDef("time", QVariant::Time, QTime::currentTime()),
        FieldDef("decimal(18)", QVariant::LongLong, Q_INT64_C(9223372036854775807)),
        FieldDef("numeric(5,2)", QVariant::Double, 123.45),

        FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
        checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordSQLite()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    static const FieldDef fieldDefs[] = {
        // The affinity of these fields are TEXT so SQLite should give us strings, not ints or doubles.
        FieldDef("char(20)", QVariant::String,          QString("123")),
        FieldDef("varchar(20)", QVariant::String,       QString("123.4")),
        FieldDef("clob", QVariant::String,              QString("123.45")),
        FieldDef("text", QVariant::String,              QString("123.456")),

        FieldDef("integer", QVariant::Int,              QVariant(13)),
        FieldDef("int", QVariant::Int,                  QVariant(12)),

        FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
        checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordSQLServer()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!tst_Databases::isSqlServer(db)) {
    QSKIP("SQL server specific test", SkipSingle);
    return;
    }

    // ### TODO: Add the rest of the fields
    static const FieldDef fieldDefs[] = {
        FieldDef("varchar(20)", QVariant::String, QString("Blah1")),
        FieldDef("bigint", QVariant::LongLong, 12345),
        FieldDef("int", QVariant::Int, 123456),
        FieldDef("tinyint", QVariant::UInt, 255),
#ifdef QT3_SUPPORT
        FieldDef("image", QVariant::ByteArray, Q3CString("Blah1")),
#endif
        FieldDef("float", QVariant::Double, 1.12345),
        FieldDef("numeric(5,2)", QVariant::Double, 123.45),
        FieldDef("uniqueidentifier", QVariant::String,
            QString("AA7DF450-F119-11CD-8465-00AA00425D90")),

        FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
        checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::recordAccess()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!tst_Databases::isMSAccess(db)) {
    QSKIP("MS Access specific test", SkipSingle);
    return;
    }

    QString memo;
    for (int i = 0; i < 32; i++)
        memo.append("ABCDEFGH12345678abcdefgh12345678");

    // ### TODO: Add the rest of the fields
    static const FieldDef fieldDefs[] = {
    FieldDef("varchar(20)", QVariant::String, QString("Blah1")),
    FieldDef("single", QVariant::Double, 1.12345),
    FieldDef("double", QVariant::Double, 1.123456),
        FieldDef("byte", QVariant::Int, 255),
#ifdef QT3_SUPPORT
    FieldDef("binary", QVariant::ByteArray, Q3CString("Blah2")),
#endif
    FieldDef("long", QVariant::Int, 2147483647),
        FieldDef("memo", QVariant::String, memo),
    FieldDef()
    };

    const int fieldCount = createFieldTable(fieldDefs, db);
    QVERIFY(fieldCount > 0);

    commonFieldTest(fieldDefs, db, fieldCount);
    checkNullValues(fieldDefs, db);
    for (int i = 0; i < ITERATION_COUNT; ++i) {
        checkValues(fieldDefs, db);
    }
}

void tst_QSqlDatabase::transaction()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!db.driver()->hasFeature(QSqlDriver::Transactions)) {
    QSKIP("DBMS not transaction capable", SkipSingle);
    }

    QVERIFY(db.transaction());

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " values (40, 'VarChar40', 'Char40', 40.40)"));
    QVERIFY_SQL(q, exec("select * from " + qTableName("qtest") + " where id = 40"));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toInt(), 40);
    q.clear();

    QVERIFY(db.commit());

    QVERIFY(db.transaction());
    QVERIFY_SQL(q, exec("select * from " + qTableName("qtest") + " where id = 40"));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toInt(), 40);
    q.clear();
    QVERIFY(db.commit());

    QVERIFY(db.transaction());
    QVERIFY_SQL(q, exec("insert into " + qTableName("qtest") + " values (41, 'VarChar41', 'Char41', 41.41)"));
    QVERIFY_SQL(q, exec("select * from " + qTableName("qtest") + " where id = 41"));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toInt(), 41);
    q.clear(); // for SQLite which does not allow any references on rows that shall be rolled back
    if (!db.rollback()) {
    if (db.driverName().startsWith("QMYSQL")) {
        qDebug("MySQL: " + tst_Databases::printError(db.lastError()));
        QSKIP("MySQL transaction failed ", SkipSingle); //non-fatal
    } else {
        QFAIL("Could not rollback transaction: " + tst_Databases::printError(db.lastError()));
        }
    }

    QVERIFY_SQL(q, exec("select * from " + qTableName("qtest") + " where id = 41"));
    QVERIFY(!q.next());

    populateTestTables(db);
}

void tst_QSqlDatabase::bigIntField()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);
    QString drvName = db.driverName();

    QSqlQuery q(db);
    q.setForwardOnly(true);
    if (drvName.startsWith("QOCI"))
        q.setNumericalPrecisionPolicy(QSql::LowPrecisionInt64);

    if (drvName.startsWith("QMYSQL")) {
        QVERIFY_SQL(q, exec("create table " + qTableName("qtest_bigint") + " (id int, t_s64bit bigint, t_u64bit bigint unsigned)"));
    } else if (drvName.startsWith("QPSQL")
                || drvName.startsWith("QDB2")
                || tst_Databases::isSqlServer(db)) {
        QVERIFY_SQL(q, exec("create table " + qTableName("qtest_bigint") + "(id int, t_s64bit bigint, t_u64bit bigint)"));
    } else if (drvName.startsWith("QOCI")) {
        QVERIFY_SQL(q, exec("create table " + qTableName("qtest_bigint") + " (id int, t_s64bit int, t_u64bit int)"));
    //} else if (drvName.startsWith("QIBASE")) {
    //    QVERIFY_SQL(q, exec("create table " + qTableName("qtest_bigint") + " (id int, t_s64bit int64, t_u64bit int64)"));
    } else {
        QSKIP("no 64 bit integer support", SkipAll);
    }
    QVERIFY(q.prepare("insert into " + qTableName("qtest_bigint") + " values (?, ?, ?)"));
    qlonglong ll = Q_INT64_C(9223372036854775807);
    qulonglong ull = Q_UINT64_C(18446744073709551615);

    if (drvName.startsWith("QMYSQL") || drvName.startsWith("QOCI")) {
        q.bindValue(0, 0);
        q.bindValue(1, ll);
        q.bindValue(2, ull);
        QVERIFY_SQL(q, exec());
        q.bindValue(0, 1);
        q.bindValue(1, -ll);
        q.bindValue(2, ull);
        QVERIFY_SQL(q, exec());
    } else {
        // usinged bigint fields not supported - a cast is necessary
        q.bindValue(0, 0);
        q.bindValue(1, ll);
        q.bindValue(2, (qlonglong) ull);
        QVERIFY_SQL(q, exec());
        q.bindValue(0, 1);
        q.bindValue(1, -ll);
        q.bindValue(2,  (qlonglong) ull);
        QVERIFY_SQL(q, exec());
    }
    QVERIFY(q.exec("select * from " + qTableName("qtest_bigint") + " order by id"));
    QVERIFY(q.next());
    QCOMPARE(q.value(1).toDouble(), (double)ll);
    QCOMPARE(q.value(1).toLongLong(), ll);
    if(drvName.startsWith("QOCI"))
        QEXPECT_FAIL("", "Oracle driver lacks support for unsigned int64 types", Continue);
    QCOMPARE(q.value(2).toULongLong(), ull);
    QVERIFY(q.next());
    QCOMPARE(q.value(1).toLongLong(), -ll);
    if(drvName.startsWith("QOCI"))
        QEXPECT_FAIL("", "Oracle driver lacks support for unsigned int64 types", Continue);
    QCOMPARE(q.value(2).toULongLong(), ull);
}

void tst_QSqlDatabase::caseSensivity()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    bool cs = false;
    if (db.driverName().startsWith("QMYSQL")
     || db.driverName().startsWith("QSQLITE")
     || db.driverName().startsWith("QTDS"))
    cs = true;

    QSqlRecord rec = db.record(qTableName("qtest"));
    QVERIFY((int)rec.count() > 0);
    if (!cs) {
    rec = db.record(qTableName("QTEST").toUpper());
    QVERIFY((int)rec.count() > 0);
    rec = db.record(qTableName("qTesT"));
    QVERIFY((int)rec.count() > 0);
    }

#ifdef QT3_SUPPORT
    Q3SqlRecordInfo rInf = db.recordInfo(qTableName("qtest"));
    QVERIFY((int)rInf.count() > 0);
    if (!cs) {
    rInf = db.recordInfo(qTableName("QTEST").upper());
    QVERIFY((int)rInf.count() > 0);
    rInf = db.recordInfo(qTableName("qTesT"));
    QVERIFY((int)rInf.count() > 0);
    }
#endif

    rec = db.primaryIndex(qTableName("qtest"));
    QVERIFY((int)rec.count() > 0);
    if (!cs) {
    rec = db.primaryIndex(qTableName("QTEST").toUpper());
    QVERIFY((int)rec.count() > 0);
    rec = db.primaryIndex(qTableName("qTesT"));
    QVERIFY((int)rec.count() > 0);
    }
}

void tst_QSqlDatabase::noEscapedFieldNamesInRecord()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString fieldname("t_varchar");
    if (db.driverName().startsWith("QOCI") || db.driverName().startsWith("QIBASE") || db.driverName().startsWith("QDB2"))
        fieldname = fieldname.toUpper();

    QSqlQuery q(db);
    QString query = "SELECT " + db.driver()->escapeIdentifier(fieldname, QSqlDriver::FieldName) + " FROM " + qTableName("qtest");
    QVERIFY_SQL(q, exec(query));
    QCOMPARE(q.record().fieldName(0), fieldname);
}

void tst_QSqlDatabase::psql_schemas()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!db.tables(QSql::SystemTables).contains("pg_namespace"))
        QSKIP("server does not support schemas", SkipSingle);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("CREATE SCHEMA " + qTableName("qtestschema")));

    QString table = qTableName("qtestschema") + '.' + qTableName("qtesttable");
    QVERIFY_SQL(q, exec("CREATE TABLE " + table + " (id int primary key, name varchar(20))"));

    QVERIFY(db.tables().contains(table));

    QSqlRecord rec = db.record(table);
    QCOMPARE(rec.count(), 2);
    QCOMPARE(rec.fieldName(0), QString("id"));
    QCOMPARE(rec.fieldName(1), QString("name"));

#ifdef QT3_SUPPORT
    rec = db.record(QSqlQuery("select * from " + table, db));
    QCOMPARE(rec.count(), 2);
    QCOMPARE(rec.fieldName(0), QString("id"));
    QCOMPARE(rec.fieldName(1), QString("name"));
#endif
    QSqlIndex idx = db.primaryIndex(table);
    QCOMPARE(idx.count(), 1);
    QCOMPARE(idx.fieldName(0), QString("id"));
}

void tst_QSqlDatabase::psql_escapedIdentifiers()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    QSqlDriver* drv = db.driver();
    CHECK_DATABASE(db);

    if (!db.tables(QSql::SystemTables).contains("pg_namespace"))
        QSKIP("server does not support schemas", SkipSingle);

    QSqlQuery q(db);

    QString schemaName = qTableName("qtestScHeMa");
    QString tableName = qTableName("qtestTaBlE");
    QString field1Name = QString("fIeLdNaMe");
    QString field2Name = QString("ZuLu");

    QString createSchema = QString("CREATE SCHEMA \"%1\"").arg(schemaName);
    QVERIFY_SQL(q, exec(createSchema));
    QString createTable = QString("CREATE TABLE \"%1\".\"%2\" (\"%3\" int PRIMARY KEY, \"%4\" varchar(20))").arg(schemaName).arg(tableName).arg(field1Name).arg(field2Name);
    QVERIFY_SQL(q, exec(createTable));

    QVERIFY(db.tables().contains(schemaName + '.' + tableName, Qt::CaseSensitive));

    QSqlField fld1(field1Name, QVariant::Int);
    QSqlField fld2(field2Name, QVariant::String);
    QSqlRecord rec;
    rec.append(fld1);
    rec.append(fld2);

    QVERIFY_SQL(q, exec(drv->sqlStatement(QSqlDriver::SelectStatement, schemaName + '.' + tableName, rec, false)));

    rec = q.record();
    QCOMPARE(rec.count(), 2);
    QCOMPARE(rec.fieldName(0), field1Name);
    QCOMPARE(rec.fieldName(1), field2Name);
    QCOMPARE(rec.field(0).type(), QVariant::Int);

    q.exec(QString("DROP SCHEMA \"%1\" CASCADE").arg(schemaName));
}


void tst_QSqlDatabase::psql_escapeBytea()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    const char dta[4] = {'\x71', '\x14', '\x32', '\x81'};
    QByteArray ba(dta, 4);

    QSqlQuery q(db);
    QString tableName = qTableName("batable");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (ba bytea)").arg(tableName)));

    QSqlQuery iq(db);
    QVERIFY_SQL(iq, prepare(QString("INSERT INTO %1 VALUES (?)").arg(tableName)));
    iq.bindValue(0, QVariant(ba));
    QVERIFY_SQL(iq, exec());

    QVERIFY_SQL(q, exec(QString("SELECT ba FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());

    QByteArray res = q.value(0).toByteArray();
    int i = 0;
    for (; i < ba.size(); ++i){
        if (ba[i] != res[i])
            break;
    }

    QCOMPARE(i, 4);
}

void tst_QSqlDatabase::bug_249059()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QString tableName = qTableName("bug_249059");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (dt timestamp, t time)").arg(tableName)));

    QSqlQuery iq(db);
    QVERIFY_SQL(iq, prepare(QString("INSERT INTO %1 VALUES (?, ?)").arg(tableName)));
    iq.bindValue(0, QVariant(QString("2001-09-09 04:05:06.789 -5:00")));
    iq.bindValue(1, QVariant(QString("04:05:06.789 -5:00")));
    QVERIFY_SQL(iq, exec());
    iq.bindValue(0, QVariant(QString("2001-09-09 04:05:06.789 +5:00")));
    iq.bindValue(1, QVariant(QString("04:05:06.789 +5:00")));
    QVERIFY_SQL(iq, exec());

    QVERIFY_SQL(q, exec(QString("SELECT dt, t FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());
    QDateTime dt1=q.value(0).toDateTime();
    QTime t1=q.value(1).toTime();
    QVERIFY_SQL(q, next());
    QDateTime dt2=q.value(0).toDateTime();
    QTime t2=q.value(1).toTime();

    // These will fail when timezone support is added, when that's the case, set the second record to 14:05:06.789 and it should work correctly
    QCOMPARE(dt1, dt2);
    QCOMPARE(t1, t2);
}

// This test should be rewritten to work with Oracle as well - or the Oracle driver
// should be fixed to make this test pass (handle overflows)
void tst_QSqlDatabase::precisionPolicy()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);
//     DBMS_SPECIFIC(db, "QPSQL");

    QSqlQuery q(db);
    QString tableName = qTableName("qtest_prec");
    if(!db.driver()->hasFeature(QSqlDriver::LowPrecisionNumbers))
        QSKIP("Driver or database doesn't support setting precision policy", SkipSingle);

    // Create a test table with some data
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (id smallint, num numeric(20,0))").arg(tableName)));
    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?, ?)").arg(tableName)));
    q.bindValue(0, 1);
    q.bindValue(1, 123);
    QVERIFY_SQL(q, exec());
    q.bindValue(0, 2);
    q.bindValue(1, QString("18500000000000000000"));
    QVERIFY_SQL(q, exec());

    // These are expected to pass
    QString query = QString("SELECT num FROM %1 WHERE id = 1").arg(tableName);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::String);

    q.setNumericalPrecisionPolicy(QSql::LowPrecisionInt64);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::LongLong);
    QCOMPARE(q.value(0).toLongLong(), (qlonglong)123);

    q.setNumericalPrecisionPolicy(QSql::LowPrecisionInt32);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::Int);
    QCOMPARE(q.value(0).toInt(), 123);

    q.setNumericalPrecisionPolicy(QSql::LowPrecisionDouble);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::Double);
    QCOMPARE(q.value(0).toDouble(), (double)123);

    query = QString("SELECT num FROM %1 WHERE id = 2").arg(tableName);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::Double);
    QCOMPARE(q.value(0).toDouble(), QString("18500000000000000000").toDouble());

    // Postgres returns invalid QVariants on overflow
    q.setNumericalPrecisionPolicy(QSql::HighPrecision);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::String);

    q.setNumericalPrecisionPolicy(QSql::LowPrecisionInt64);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::Invalid);

    q.setNumericalPrecisionPolicy(QSql::LowPrecisionInt32);
    QVERIFY_SQL(q, exec(query));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).type(), QVariant::Invalid);
}

// This test needs a ODBC data source containing MYSQL in it's name
void tst_QSqlDatabase::mysqlOdbc_unsignedIntegers()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!db.driverName().startsWith("QODBC") || !dbName.toUpper().contains("MYSQL")) {
       QSKIP("MySQL through ODBC-driver specific test", SkipSingle);
       return;
    }

    QSqlQuery q(db);
    QString tableName = qTableName("uint");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (foo integer(10) unsigned, bar integer(10))").arg(tableName)));
    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 VALUES (-4000000000, -4000000000)").arg(tableName)));
    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 VALUES (4000000000, 4000000000)").arg(tableName)));

    QVERIFY_SQL(q, exec(QString("SELECT foo, bar FROM %1").arg(tableName)));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toString(), QString("0"));
    QCOMPARE(q.value(1).toString(), QString("-2147483648"));
    QVERIFY(q.next());
    QCOMPARE(q.value(0).toString(), QString("4000000000"));
    QCOMPARE(q.value(1).toString(), QString("2147483647"));
}

void tst_QSqlDatabase::accessOdbc_strings()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!tst_Databases::isMSAccess(db)) {
    QSKIP("MS Access specific test", SkipSingle);
    return;
    }

    QSqlQuery q(db);
    QString tableName = qTableName("strings");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (aStr memo, bStr memo, cStr memo, dStr memo"
            ", eStr memo, fStr memo, gStr memo, hStr memo)").arg(tableName)));

    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?, ?, ?, ?, ?, ?, ?, ?)").arg(tableName)));
    QString aStr, bStr, cStr, dStr, eStr, fStr, gStr, hStr;

    q.bindValue(0, aStr.fill('A', 32));
    q.bindValue(1, bStr.fill('B', 127));
    q.bindValue(2, cStr.fill('C', 128));
    q.bindValue(3, dStr.fill('D', 129));
    q.bindValue(4, eStr.fill('E', 254));
    q.bindValue(5, fStr.fill('F', 255));
    q.bindValue(6, gStr.fill('G', 256));
    q.bindValue(7, hStr.fill('H', 512));

    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, exec(QString("SELECT aStr, bStr, cStr, dStr, eStr, fStr, gStr, hStr FROM %1").arg(tableName)));
    q.next();
    QCOMPARE(q.value(0).toString(), aStr);
    QCOMPARE(q.value(1).toString(), bStr);
    QCOMPARE(q.value(2).toString(), cStr);
    QCOMPARE(q.value(3).toString(), dStr);
    QCOMPARE(q.value(4).toString(), eStr);
    QCOMPARE(q.value(5).toString(), fStr);
    QCOMPARE(q.value(6).toString(), gStr);
    QCOMPARE(q.value(7).toString(), hStr);
}

// For task 125053
void tst_QSqlDatabase::ibase_numericFields()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QString tableName = qTableName("numericfields");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (id int not null, num1 NUMERIC(2,1), "
        "num2 NUMERIC(5,2), num3 NUMERIC(10,3), "
        "num4 NUMERIC(18,4))").arg(tableName)));

    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 VALUES (1, 1.1, 123.45, 1234567.123, 10203040506070.8090)").arg(tableName)));

    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?, ?, ?, ?, ?)").arg(tableName)));

    double num1 = 1.1;
    double num2 = 123.45;
    double num3 = 1234567.123;
    double num4 = 10203040506070.8090;

    q.bindValue(0, 2);
    q.bindValue(1, QVariant(num1));
    q.bindValue(2, QVariant(num2));
    q.bindValue(3, QVariant(num3));
    q.bindValue(4, QVariant(num4));
    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, exec(QString("SELECT id, num1, num2, num3, num4 FROM %1").arg(tableName)));

    int id = 0;
    while (q.next()) {
        QCOMPARE(q.value(0).toInt(), ++id);
        QCOMPARE(q.value(1).toString(), QString("%1").arg(num1));
        QCOMPARE(q.value(2).toString(), QString("%1").arg(num2));
        QCOMPARE(QString("%1").arg(q.value(3).toDouble()), QString("%1").arg(num3));
        QCOMPARE(QString("%1").arg(q.value(4).toDouble()), QString("%1").arg(num4));
        QVERIFY(q.value(0).type() == QVariant::Int);
        QVERIFY(q.value(1).type() == QVariant::Double);
        QVERIFY(q.value(2).type() == QVariant::Double);
        QVERIFY(q.value(3).type() == QVariant::Double);
        QVERIFY(q.value(4).type() == QVariant::Double);

        QCOMPARE(q.record().field(1).length(), 2);
        QCOMPARE(q.record().field(1).precision(), 1);
        QCOMPARE(q.record().field(2).length(), 5);
        QCOMPARE(q.record().field(2).precision(), 2);
        QCOMPARE(q.record().field(3).length(), 10);
        QCOMPARE(q.record().field(3).precision(), 3);
        QCOMPARE(q.record().field(4).length(), 18);
        QCOMPARE(q.record().field(4).precision(), 4);
        QVERIFY(q.record().field(0).requiredStatus() == QSqlField::Required);
        QVERIFY(q.record().field(1).requiredStatus() == QSqlField::Optional);
    }

    QSqlRecord r = db.record(tableName);
    QVERIFY(r.field(0).type() == QVariant::Int);
    QVERIFY(r.field(1).type() == QVariant::Double);
    QVERIFY(r.field(2).type() == QVariant::Double);
    QVERIFY(r.field(3).type() == QVariant::Double);
    QVERIFY(r.field(4).type() == QVariant::Double);
    QCOMPARE(r.field(1).length(), 2);
    QCOMPARE(r.field(1).precision(), 1);
    QCOMPARE(r.field(2).length(), 5);
    QCOMPARE(r.field(2).precision(), 2);
    QCOMPARE(r.field(3).length(), 10);
    QCOMPARE(r.field(3).precision(), 3);
    QCOMPARE(r.field(4).length(), 18);
    QCOMPARE(r.field(4).precision(), 4);
    QVERIFY(r.field(0).requiredStatus() == QSqlField::Required);
    QVERIFY(r.field(1).requiredStatus() == QSqlField::Optional);
}

void tst_QSqlDatabase::ibase_fetchBlobs()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString tableName = qTableName("qtest_ibaseblobs");
    QSqlQuery q(db);
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1 (blob1 BLOB segment size 256)").arg(tableName)));

    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?)").arg(tableName)));
    q.bindValue(0, QByteArray().fill('x', 1024));
    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?)").arg(tableName)));
    q.bindValue(0, QByteArray().fill('x', 16383));
    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES (?)").arg(tableName)));
    q.bindValue(0, QByteArray().fill('x', 17408));
    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, exec(QString("SELECT * FROM %1").arg(tableName)));

    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toByteArray().size(), 1024);
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toByteArray().size(), 16383);
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toByteArray().size(), 17408);
}

void tst_QSqlDatabase::ibase_procWithoutReturnValues()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QString procName = qTableName("qtest_proc1");
    q.exec(QString("drop procedure %1").arg(procName));
    QVERIFY_SQL(q, exec("CREATE PROCEDURE " + procName + " (str VARCHAR(10))\nAS BEGIN\nstr='test';\nEND;"));
    QVERIFY_SQL(q, exec(QString("execute procedure %1('qtest')").arg(procName)));
    q.exec(QString("drop procedure %1").arg(procName));
}

void tst_QSqlDatabase::ibase_procWithReturnValues()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    if (!db.driverName().startsWith("QIBASE")) {
       QSKIP("InterBase specific test", SkipSingle);
       return;
    }

    QString procName = qTableName("qtest_proc2");

    QSqlQuery q(db);
    q.exec(QString("drop procedure %1").arg(procName));
    QVERIFY_SQL(q, exec("CREATE PROCEDURE " + procName + " ("
                        "\nABC INTEGER)"
                        "\nRETURNS ("
                        "\nRESULT INTEGER)"
                        "\nAS"
                        "\nbegin"
                        "\nRESULT = 10 * ABC;"
                        "\nsuspend;"
                        "\nend"));

    // Interbase procedures can be executed in two ways: EXECUTE PROCEDURE or SELECT
    QVERIFY_SQL(q, exec(QString("execute procedure %1(123)").arg(procName)));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 1230);
    QVERIFY_SQL(q, exec(QString("select result from %1(456)").arg(procName)));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 4560);
    QVERIFY_SQL(q, prepare(QLatin1String("execute procedure ")+procName+QLatin1String("(?)")));
    q.bindValue(0, 123);
    QVERIFY_SQL(q, exec());
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 1230);
    q.bindValue(0, 456);
    QVERIFY_SQL(q, exec());
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 4560);

    q.exec(QString("drop procedure %1").arg(procName));
}

void tst_QSqlDatabase::formatValueTrimStrings()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);

    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 (id, t_varchar, t_char) values (50, 'Trim Test ', 'Trim Test 2   ')").arg(qTableName("qtest"))));
    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 (id, t_varchar, t_char) values (51, 'TrimTest', 'Trim Test 2')").arg(qTableName("qtest"))));
    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 (id, t_varchar, t_char) values (52, ' ', '    ')").arg(qTableName("qtest"))));

    QVERIFY_SQL(q, exec(QString("SELECT t_varchar, t_char FROM %1 WHERE id >= 50 AND id <= 52 ORDER BY id").arg(qTableName("qtest"))));

    QVERIFY_SQL(q, next());

    QCOMPARE(db.driver()->formatValue(q.record().field(0), true), QString("'Trim Test'"));
    QCOMPARE(db.driver()->formatValue(q.record().field(1), true), QString("'Trim Test 2'"));

    QVERIFY_SQL(q, next());
    QCOMPARE(db.driver()->formatValue(q.record().field(0), true), QString("'TrimTest'"));
    QCOMPARE(db.driver()->formatValue(q.record().field(1), true), QString("'Trim Test 2'"));

    QVERIFY_SQL(q, next());
    QCOMPARE(db.driver()->formatValue(q.record().field(0), true), QString("''"));
    QCOMPARE(db.driver()->formatValue(q.record().field(1), true), QString("''"));

}

void tst_QSqlDatabase::odbc_reopenDatabase()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("SELECT * from " + qTableName("qtest")));
    QVERIFY_SQL(q, next());
    db.open();
    QVERIFY_SQL(q, exec("SELECT * from " + qTableName("qtest")));
    QVERIFY_SQL(q, next());
    db.open();
}

void tst_QSqlDatabase::odbc_bindBoolean()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("CREATE TABLE " + qTableName("qtestBindBool") + "(id int, boolvalue bit)"));

    // Bind and insert
    QVERIFY_SQL(q, prepare("INSERT INTO " + qTableName("qtestBindBool") + " VALUES(?, ?)"));
    q.bindValue(0, 1);
    q.bindValue(1, true);
    QVERIFY_SQL(q, exec());
    q.bindValue(0, 2);
    q.bindValue(1, false);
    QVERIFY_SQL(q, exec());

    // Retrive
    QVERIFY_SQL(q, exec("SELECT id, boolvalue FROM " + qTableName("qtestBindBool") + " ORDER BY id"));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 1);
    QCOMPARE(q.value(1).toBool(), true);
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toInt(), 2);
    QCOMPARE(q.value(1).toBool(), false);
}

void tst_QSqlDatabase::mysql_multiselect()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec("select version()"));
    QVERIFY_SQL(q, next());
    QString version=tst_Databases::getMySqlVersion( db );
    int ver=version.section(QChar::fromLatin1('.'),0,1).toDouble();
    if (ver >= 4.1)
        QSKIP("Test requires MySQL >= 4.1", SkipSingle);

    QVERIFY_SQL(q, exec("SELECT * FROM " + qTableName("qtest") + "; SELECT * FROM " + qTableName("qtest")));
    QVERIFY_SQL(q, next());
    QVERIFY_SQL(q, exec("SELECT * FROM " + qTableName("qtest") + "; SELECT * FROM " + qTableName("qtest")));
    QVERIFY_SQL(q, next());
    QVERIFY_SQL(q, exec("SELECT * FROM " + qTableName("qtest")));
}

void tst_QSqlDatabase::ibase_useCustomCharset()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);
    QString nonlatin1string("��");

    db.close();
    db.setConnectOptions("ISC_DPB_LC_CTYPE=Latin1");
    db.open();

    QString tableName = qTableName("latin1table");

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1(text VARCHAR(6) CHARACTER SET Latin1)").arg(tableName)));
    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES(?)").arg(tableName)));
    q.addBindValue(nonlatin1string);
    QVERIFY_SQL(q, exec());
    QVERIFY_SQL(q, exec(QString("SELECT text FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());
    QCOMPARE(toHex(q.value(0).toString()), toHex(nonlatin1string));
}

void tst_QSqlDatabase::oci_serverDetach()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    for (int i = 0; i < 2; i++) {
        db.close();
        if (db.open()) {
            QSqlQuery query(db);
            query.exec("SELECT 1 FROM DUAL");
            db.close();
        } else {
            QFAIL(tst_Databases::printError(db.lastError(), db));
        }
    }
    if(!db.open())
        qFatal(tst_Databases::printError(db.lastError(), db));
}

void tst_QSqlDatabase::oci_xmltypeSupport()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString tableName = qTableName("qtest_xmltype");
    QString xml("<?xml version=\"1.0\"?><TABLE_NAME>MY_TABLE</TABLE_NAME>");
    QSqlQuery q(db);

    // Embedding the XML in the statement
    if(!q.exec(QString("CREATE TABLE %1(xmldata xmltype)").arg(tableName)))
        QSKIP("This test requries xml type support", SkipSingle);
    QVERIFY_SQL(q, exec(QString("INSERT INTO %1 values('%2')").arg(tableName).arg(xml)));
    QVERIFY_SQL(q, exec(QString("SELECT a.xmldata.getStringVal() FROM %1 a").arg(tableName)));
    QVERIFY_SQL(q, last());
    QCOMPARE(q.value(0).toString(), xml);

    // Binding the XML with a prepared statement
    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 values(?)").arg(tableName)));
    q.addBindValue(xml);
    QVERIFY_SQL(q, exec());
    QVERIFY_SQL(q, exec(QString("SELECT a.xmldata.getStringVal() FROM %1 a").arg(tableName)));
    QVERIFY_SQL(q, last());
    QCOMPARE(q.value(0).toString(), xml);
}


void tst_QSqlDatabase::oci_fieldLength()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString tableName = qTableName("qtest");
    QSqlQuery q(db);

    QVERIFY_SQL(q, exec(QString("SELECT t_varchar, t_char FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.record().field(0).length(), 40);
    QCOMPARE(q.record().field(1).length(), 40);
}

// This test isn't really necessary as SQL_GUID / uniqueidentifier is
// already tested in recordSQLServer().
void tst_QSqlDatabase::odbc_uniqueidentifier()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);
    if (!tst_Databases::isSqlServer(db)) {
        QSKIP("SQL Server (ODBC) specific test", SkipSingle);
        return;
    }

    QString tableName = qTableName("qtest_sqlguid");
    QString guid = QString("AAAAAAAA-BBBB-CCCC-DDDD-EEEEEEEEEEEE");
    QString invalidGuid = QString("GAAAAAAA-BBBB-CCCC-DDDD-EEEEEEEEEEEE");

    QSqlQuery q(db);
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1(id uniqueidentifier)").arg(tableName)));

    q.prepare(QString("INSERT INTO %1 VALUES(?)").arg(tableName));;
    q.addBindValue(guid);
    QVERIFY_SQL(q, exec());

    q.addBindValue(invalidGuid);
    QEXPECT_FAIL("", "The GUID string is required to be correctly formated!",
        Continue);
    QVERIFY_SQL(q, exec());

    QVERIFY_SQL(q, exec(QString("SELECT id FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());
    QCOMPARE(q.value(0).toString(), guid);
}

void tst_QSqlDatabase::getConnectionName()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QCOMPARE(db.connectionName(), dbName);
    QSqlDatabase clone = QSqlDatabase::cloneDatabase(db, "clonedDatabase");
    QCOMPARE(clone.connectionName(), QString("clonedDatabase"));
    QTest::ignoreMessage(QtWarningMsg, "QSqlDatabasePrivate::removeDatabase: "
        "connection 'clonedDatabase' is still in use, all queries will cease to work.");
    QSqlDatabase::removeDatabase("clonedDatabase");
    QCOMPARE(clone.connectionName(), QString());
    QCOMPARE(db.connectionName(), dbName);
}

void tst_QSqlDatabase::odbc_uintfield()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString tableName = qTableName("uint_table");
    unsigned int val = 4294967295U;

    QSqlQuery q(db);
    q.exec(QString("CREATE TABLE %1(num numeric(10))").arg(tableName));
    q.prepare(QString("INSERT INTO %1 VALUES(?)").arg(tableName));
    q.addBindValue(val);
    QVERIFY_SQL(q, exec());

    q.exec(QString("SELECT num FROM %1").arg(tableName));
    if (q.next())
        QCOMPARE(q.value(0).toUInt(), val);
}

void tst_QSqlDatabase::eventNotification()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlDriver *driver = db.driver();
    if (!driver->hasFeature(QSqlDriver::EventNotifications))
        QSKIP("DBMS doesn't support event notifications", SkipSingle);

    // Not subscribed to any events yet
    QCOMPARE(driver->subscribedToNotifications().size(), 0);

    // Subscribe to "event_foo"
    QVERIFY_SQL(*driver, subscribeToNotification(QLatin1String("event_foo")));
    QCOMPARE(driver->subscribedToNotifications().size(), 1);
    QVERIFY(driver->subscribedToNotifications().contains("event_foo"));

    // Can't subscribe to the same event multiple times
    QVERIFY2(!driver->subscribeToNotification(QLatin1String("event_foo")), "Shouldn't be able to subscribe to event_foo twice");
    QCOMPARE(driver->subscribedToNotifications().size(), 1);

    // Unsubscribe from "event_foo"
    QVERIFY_SQL(*driver, unsubscribeFromNotification(QLatin1String("event_foo")));
    QCOMPARE(driver->subscribedToNotifications().size(), 0);

    // Re-subscribing to "event_foo" now is allowed
    QVERIFY_SQL(*driver, subscribeToNotification(QLatin1String("event_foo")));
    QCOMPARE(driver->subscribedToNotifications().size(), 1);

    // closing the connection causes automatically unsubscription from all events
    db.close();
    QCOMPARE(driver->subscribedToNotifications().size(), 0);

    // Can't subscribe to anything while database is closed
    QVERIFY2(!driver->subscribeToNotification(QLatin1String("event_foo")), "Shouldn't be able to subscribe to event_foo");
    QCOMPARE(driver->subscribedToNotifications().size(), 0);

    db.open();
}

void tst_QSqlDatabase::eventNotificationIBase()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString procedureName = qTableName("posteventProc");
    QSqlDriver *driver=db.driver();
    QVERIFY_SQL(*driver, subscribeToNotification(procedureName));
    QTest::qWait(300);  // Interbase needs some time to call the driver callback.

    db.transaction();   // InterBase events are posted from within transactions.
    QSqlQuery q(db);
    q.exec(QString("DROP PROCEDURE %1").arg(procedureName));
    q.exec(QString("CREATE PROCEDURE %1\nAS BEGIN\nPOST_EVENT '%1';\nEND;").arg(procedureName));
    q.exec(QString("EXECUTE PROCEDURE %1").arg(procedureName));
    QSignalSpy spy(driver, SIGNAL(notification(const QString&)));
    db.commit();        // No notifications are posted until the transaction is committed.
    QTest::qWait(300);  // Interbase needs some time to post the notification and call the driver callback.
                        // This happends from another thread, and we have to process events in order for the
                        // event handler in the driver to be executed and emit the notification signal.

    QCOMPARE(spy.count(), 1);
    QList<QVariant> arguments = spy.takeFirst();
    QVERIFY(arguments.at(0).toString() == procedureName);
    QVERIFY_SQL(*driver, unsubscribeFromNotification(procedureName));
    q.exec(QString("DROP PROCEDURE %1").arg(procedureName));
}

void tst_QSqlDatabase::eventNotificationPSQL()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery query(db);
    QString procedureName = qTableName("posteventProc");

    QSqlDriver *driver=db.driver();
    QVERIFY_SQL(*driver, subscribeToNotification(procedureName));
    QSignalSpy spy(db.driver(), SIGNAL(notification(const QString&)));
    query.exec(QString("NOTIFY \"%1\"").arg(procedureName));
    QCoreApplication::processEvents();
    QCOMPARE(spy.count(), 1);
    QList<QVariant> arguments = spy.takeFirst();
    QVERIFY(arguments.at(0).toString() == procedureName);
    QVERIFY_SQL(*driver, unsubscribeFromNotification(procedureName));
}

void tst_QSqlDatabase::sqlite_bindAndFetchUInt()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QSqlQuery q(db);
    QString tableName = qTableName("uint_test");
    QVERIFY_SQL(q, exec(QString("CREATE TABLE %1(uint_field UNSIGNED INTEGER)").arg(tableName)));
    QVERIFY_SQL(q, prepare(QString("INSERT INTO %1 VALUES(?)").arg(tableName)));
    q.addBindValue(4000000000U);
    QVERIFY_SQL(q, exec());
    QVERIFY_SQL(q, exec(QString("SELECT uint_field FROM %1").arg(tableName)));
    QVERIFY_SQL(q, next());

    // All integers in SQLite are signed, so even though we bound the value
    // as an UInt it will come back as a LongLong
    QCOMPARE(q.value(0).type(), QVariant::LongLong);
    QCOMPARE(q.value(0).toUInt(), 4000000000U);
}

void tst_QSqlDatabase::db2_valueCacheUpdate()
{
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    QString tableName = qTableName("qtest");
    QSqlQuery q(db);
    q.exec(QString("SELECT id, t_varchar, t_char, t_numeric FROM %1").arg(tableName));
    q.next();
    QVariant c4 = q.value(3);
    QVariant c3 = q.value(2);
    QVariant c2 = q.value(1);
    QVariant c1 = q.value(0);
    QCOMPARE(c4.toString(), q.value(3).toString());
    QCOMPARE(c3.toString(), q.value(2).toString());
    QCOMPARE(c2.toString(), q.value(1).toString());
    QCOMPARE(c1.toString(), q.value(0).toString());
}

void tst_QSqlDatabase::sqlStatementUseIsNull_189093()
{
    // NULL = NULL is unknown, the sqlStatment must use IS NULL
    QFETCH(QString, dbName);
    QSqlDatabase db = QSqlDatabase::database(dbName);
    CHECK_DATABASE(db);

    // select a record with NULL value
    QSqlQuery q(QString::null, db);
    QVERIFY_SQL(q, exec("select * from " + qTableName("qtest") + " where id = 4"));
    QVERIFY_SQL(q, next());

    QSqlDriver *driver = db.driver();
    QVERIFY(driver);

    QString preparedStatment = driver->sqlStatement(QSqlDriver::WhereStatement, QString("qtest"), q.record(), true);
    QCOMPARE(preparedStatment.count("IS NULL", Qt::CaseInsensitive), 2);

    QString statment = driver->sqlStatement(QSqlDriver::WhereStatement, QString("qtest"), q.record(), false);
    QCOMPARE(statment.count("IS NULL", Qt::CaseInsensitive), 2);
}


QTEST_MAIN(tst_QSqlDatabase)
#include "tst_qsqldatabase.moc"