3 files changed, 34 insertions, 0 deletions
diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp
index de18178514..ba9db5f51e 100644
--- a/src/sql/drivers/psql/qsql_psql.cpp
+++ b/src/sql/drivers/psql/qsql_psql.cpp
@@ -107,7 +107,18 @@
 template <typename T>
 inline void PQfreemem(T *t, int = 0) { free(t); }
 
+QT_BEGIN_NAMESPACE namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<PGconn*> {
+    enum { Value = false };
+};
+} QT_END_NAMESPACE
 Q_DECLARE_METATYPE(PGconn*)
+
+QT_BEGIN_NAMESPACE namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<PGresult*> {
+    enum { Value = false };
+};
+} QT_END_NAMESPACE
 Q_DECLARE_METATYPE(PGresult*)
 
 QT_BEGIN_NAMESPACE
diff --git a/src/sql/drivers/sqlite/qsql_sqlite.cpp b/src/sql/drivers/sqlite/qsql_sqlite.cpp
index eef9499dde..900e81f828 100644
--- a/src/sql/drivers/sqlite/qsql_sqlite.cpp
+++ b/src/sql/drivers/sqlite/qsql_sqlite.cpp
@@ -59,7 +59,18 @@
 
 #include <sqlite3.h>
 
+QT_BEGIN_NAMESPACE namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<sqlite3*> {
+    enum { Value = false };
+};
+} QT_END_NAMESPACE
 Q_DECLARE_METATYPE(sqlite3*)
+
+QT_BEGIN_NAMESPACE namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<sqlite3_stmt*> {
+    enum { Value = false };
+};
+} QT_END_NAMESPACE
 Q_DECLARE_METATYPE(sqlite3_stmt*)
 
 QT_BEGIN_NAMESPACE
diff --git a/src/sql/drivers/tds/qsql_tds.cpp b/src/sql/drivers/tds/qsql_tds.cpp
index 6a31574ae8..c7bb964f35 100644
--- a/src/sql/drivers/tds/qsql_tds.cpp
+++ b/src/sql/drivers/tds/qsql_tds.cpp
@@ -127,6 +127,18 @@ QT_BEGIN_NAMESPACE
 #define CS_PUBLIC
 #endif
 
+namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<LOGINREC*> {
+    enum { Value = false };
+};
+}
+
+namespace QtPrivate {
+template <> struct IsPointerToTypeDerivedFromQObject<DBPROCESS*> {
+    enum { Value = false };
+};
+}
+
 QSqlError qMakeError(const QString& err, QSqlError::ErrorType type, int errNo = -1)
 {
     return QSqlError(QLatin1String("QTDS: ") + err, QString(), type, errNo);