6 files changed, 8 insertions, 9 deletions
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp
index f61c72285a..01726d79ef 100644
--- a/src/sql/kernel/qsqldatabase.cpp
+++ b/src/sql/kernel/qsqldatabase.cpp
@@ -184,7 +184,7 @@ QSqlDatabasePrivate *QSqlDatabasePrivate::shared_null()
 
 void QSqlDatabasePrivate::invalidateDb(const QSqlDatabase &db, const QString &name, bool doWarn)
 {
-    if (db.d->ref.load() != 1 && doWarn) {
+    if (db.d->ref.loadRelaxed() != 1 && doWarn) {
         qWarning("QSqlDatabasePrivate::removeDatabase: connection '%s' is still in use, "
                  "all queries will cease to work.", name.toLocal8Bit().constData());
         db.d->disable();
diff --git a/src/sql/kernel/qsqlerror.cpp b/src/sql/kernel/qsqlerror.cpp
index 41ea497ad7..7a1a91948c 100644
--- a/src/sql/kernel/qsqlerror.cpp
+++ b/src/sql/kernel/qsqlerror.cpp
@@ -365,7 +365,7 @@ QString QSqlError::nativeErrorCode() const
 QString QSqlError::text() const
 {
     QString result = d->databaseError;
-    if (!d->databaseError.endsWith(QLatin1String("\n")))
+    if (!d->databaseError.isEmpty() && !d->driverError.isEmpty() && !d->databaseError.endsWith(QLatin1String("\n")))
         result += QLatin1Char(' ');
     result += d->driverError;
     return result;
diff --git a/src/sql/kernel/qsqlerror.h b/src/sql/kernel/qsqlerror.h
index 6dac47a7fe..7dfb6eb9ec 100644
--- a/src/sql/kernel/qsqlerror.h
+++ b/src/sql/kernel/qsqlerror.h
@@ -66,15 +66,15 @@ public:
               ErrorType type = NoError,
               const QString &errorCode = QString());
     QSqlError(const QSqlError& other);
-    QSqlError(QSqlError &&other) Q_DECL_NOTHROW : d(other.d) { other.d = nullptr; }
+    QSqlError(QSqlError &&other) noexcept : d(other.d) { other.d = nullptr; }
     QSqlError& operator=(const QSqlError& other);
-    QSqlError &operator=(QSqlError &&other) Q_DECL_NOTHROW { swap(other); return *this; }
+    QSqlError &operator=(QSqlError &&other) noexcept { swap(other); return *this; }
 
     bool operator==(const QSqlError& other) const;
     bool operator!=(const QSqlError& other) const;
     ~QSqlError();
 
-    void swap(QSqlError &other) Q_DECL_NOTHROW { qSwap(d, other.d); }
+    void swap(QSqlError &other) noexcept { qSwap(d, other.d); }
 
     QString driverText() const;
     QString databaseText() const;
diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp
index daadcb8a0e..e7c444f5b9 100644
--- a/src/sql/kernel/qsqlquery.cpp
+++ b/src/sql/kernel/qsqlquery.cpp
@@ -374,7 +374,7 @@ bool QSqlQuery::exec(const QString& query)
     QElapsedTimer t;
     t.start();
 #endif
-    if (d->ref.load() != 1) {
+    if (d->ref.loadRelaxed() != 1) {
         bool fo = isForwardOnly();
         *this = QSqlQuery(driver()->createResult());
         d->sqlResult->setNumericalPrecisionPolicy(d->sqlResult->numericalPrecisionPolicy());
@@ -960,7 +960,7 @@ void QSqlQuery::clear()
 */
 bool QSqlQuery::prepare(const QString& query)
 {
-    if (d->ref.load() != 1) {
+    if (d->ref.loadRelaxed() != 1) {
         bool fo = isForwardOnly();
         *this = QSqlQuery(driver()->createResult());
         setForwardOnly(fo);
diff --git a/src/sql/kernel/qsqlrecord.cpp b/src/sql/kernel/qsqlrecord.cpp
index ecbe3eacdb..c4dc5d1adb 100644
--- a/src/sql/kernel/qsqlrecord.cpp
+++ b/src/sql/kernel/qsqlrecord.cpp
@@ -535,7 +535,7 @@ QDebug operator<<(QDebug dbg, const QSqlRecord &r)
     dbg << "QSqlRecord(" << count << ')';
     for (int i = 0; i < count; ++i) {
         dbg.nospace();
-        dbg << '\n' << qSetFieldWidth(2) << right << i << left << qSetFieldWidth(0) << ':';
+        dbg << '\n' << qSetFieldWidth(2) << Qt::right << i << Qt::left << qSetFieldWidth(0) << ':';
         dbg.space();
         dbg << r.field(i) << r.value(i).toString();
     }
diff --git a/src/sql/kernel/qsqlresult.cpp b/src/sql/kernel/qsqlresult.cpp
index 589088238b..cc91c6d0ed 100644
--- a/src/sql/kernel/qsqlresult.cpp
+++ b/src/sql/kernel/qsqlresult.cpp
@@ -41,7 +41,6 @@
 
 #include "qvariant.h"
 #include "qhash.h"
-#include "qregexp.h"
 #include "qsqlerror.h"
 #include "qsqlfield.h"
 #include "qsqlrecord.h"